pH Meter (Benchtop)

Labtron benchtop meters are easy to use. The LCD display, manual or automatic mode of calibration, universal connector and other features are included in this range to produce accurate, reliable results. It consist of benchtop meter for measuring pH, conductivity, dissolved oxygen content, Ion concentration, water hardness level. These meters are suitable for simple to complex applications in water quality testing, research and analysis etc.

Benchtop pH Meter LBPM-B11

Temperature compensation	0 to 100°C, 32°F to 212°F Manual or Automatic
Hold function	Manual or automatic endpoint detection
Stability criteria	Standard or High-accuracy
Interval readings	10, 30, 60 seconds, 10, 30 minutes or Off
Calibration due alarm	1 to 31 days
Memory	Stores up to 1000 data sets
Output	USB communication interface
Display	7 inch TFT LCD
pH Specifications	Measuring range -2.000 to 20.000 pH Accuracy ± 0.002 pH Resolution 0.001, 0.01 pH Calibration points 1 to 5 points
mV Specifications	Measuring range ± 2000 mV Accuracy ± 0.1 mV Resolution 0.1 mV Calibration points 1 point ( Only for relative mV mode )
Temperature Specifications	Measuring range 0 ~ 105 °C, 32 °F ~ 221 °F Accuracy ± 0.5 °C, ± 0.9 °F Resolution 0.1 °C, 0.1 °F Calibration points 1 point
Power	DC 1 2V / 2A power adapter
Dimensions ( L x W x H )	240 × 220 × 80 mm
Weight	1.7 kg

Benchtop pH meter LBPM-A11

pH measurement range	0.00 to 14.00 pH
pH accuracy	± 0.01 pH
pH resolution	0.01 pH
Calibration points	2 points
Calibration solutions	USA (pH 4.0/7.00/10.01)
ORP measurement range
ORP accuracy
ORP calibration points
ORP calibration range
ORP calibration solutions
Temperature compensation	0 to 100°C
Compensation mode	Manual or automatic
mV range	-1999 to 1999 mV
mV accuracy	±1mV
mV resolution	1 mV
Temperature range	0 to 100°C, 32 to 212°F
Temperature accuracy	±1°C
Stability conditions
Calibration due
memory
Output
Temperature resolution	1°C
Hold function
Power off
Reset function
Connector	BNC
Display	LCD
Dimension (LWH)	210×205×65 mm
Weight	1.5 kg
Power	DC9V, Ac adapter, AC220V /50Hz

Benchtop pH meter LBPM-A20

pH measurement range	-1.00 to 15.00 pH
pH accuracy	± 0.01 pH
pH resolution	0.01 pH
Calibration points	1-3 points
Calibration solutions	USA (pH 4.0/7.00/10.01), NIST (pH 4.01/6.86/9.18)
ORP measurement range
ORP accuracy
ORP calibration points
ORP calibration range
ORP calibration solutions
Temperature compensation	0 to 100°C, 32 to 212°F
Compensation mode	Manual or automatic
mV range	-1000 to 1000 mV
mV accuracy	±1mV
mV resolution	1 mV
Temperature range	0 to 105°C, 32 to 221°F
Temperature accuracy	±1°C
Stability conditions
Calibration due
memory
Output
Temperature resolution	0.1°C
Hold function	Manual or automatic endpoint detection
Power off	Manual or automatic (180 minutes after last key is pressed)
Reset function	Yes
Connector	BNC
Display	LCD
Dimension (LWH)	210×205×75 mm
Weight	1.5 kg
Power	DC9V, AC adapter, AC220V/50Hz

Benchtop pH meter LBPM-B10

pH measurement range	-2.000 to 20.000 pH
pH accuracy	± 0.002 pH
pH resolution
Calibration points	1-5 points
Calibration solutions	USA, NIST, DIN or user defined
ORP measurement range	-1999.9 to 1999.9 mV
ORP accuracy	±0.2 mV
ORP calibration points	1 point
ORP calibration range	±200 mV
ORP calibration solutions	mV & relative mV
Temperature compensation	0 to 100°C, 32 to 212°F
Compensation mode	Manual or automatic
mV range
mV accuracy
mV resolution
Temperature range
Temperature accuracy
Stability conditions	Low or high
Calibration due	0 to 31 days
memory	Stores up to 500 data sets
Output	USB communication interface
Temperature resolution
Hold function
Power off
Reset function
Connector	BNC
Display	LCD
Dimension (LWH)	210×188×60 mm
Weight	1.5 kg
Power	DC5V using AC adapter, AC220V /50 Hz

Benchtop Conductivity Meter

Benchtop conductivity meter LBCM-A11

Conductivity measurement range	0 - 20.0, 200.0, 2000 µS / cm, 200.0 mS / cm
Conductivity accuracy	± 1 % F.S.
Conductivity resolution	0.01, 0.1, 1
Conductivity calibration solutions	10 µS / cm , 84 µS / cm, 1413 µS / cm, 12.88 mS / cm, 111.8 mS / cm
Conductivity calibration points	1 - 3 points
Temperature compensation range & mode	Manual or automatic, 0 to 100 °C , 32 to 212 °F
Temperature range	0 to 105 °C, 32 to 221 °F
Temperature accuracy	± 1°
Temperature resolution	0.1 °C
Temperature coefficient	0.0 to 10.0 % per °C
Cell constant	K= 0.1, 1, 10 or User-defined
Data hold function	Manual or automatic
Connector	6 - pin mini plug
Display	LCD (315 × 75 mm)
Power	DC 6 V / 400 mA power adapter, AC 220 V / 50Hz
Dimension (L × W × H)	210 × 205 × 75 mm
Weight	1.5 kg

Benchtop Conductivity Meter LBCM-A13

Conductivity measurement range	0.000 μS/cm to 3000mS/cm
Resistivity measurement range	5.00 Ω·cm to 100.0 MΩ·cm
TDS measurement range	0.000 mg/L to 1000g/L
Salinity measurement range	0.00 to 8.00 %
Temperature measurement range	-5.0 to 135.0 °C
Conductivity accuracy	± 0.5 % FS
Resistivity accuracy	± 0.5 % FS
TDS accuracy	± 0.5 % FS
Salinity accuracy	± 0.1 %
Temperature accuracy	± 0.1 °C
Automatic temperature compensation	Yes
Automatic calibration	Yes
Automatic range switching	Yes
Calibration function	Yes
Reading mode	Timed reading Yes Balanced reading Yes Continuous reading Yes
Data interface	RS232, USB
Data storage	1000 sets
Complied with GLP specifications	Yes
Power supply	(Input: AC 100 to 240 V, 1.35 A) (Output: DC 24 V, 3A)
Dimension	280 × 280 × 130 mm
Weight	2.5 kg

Benchtop Conductivity Meter LBCM-A14

Conductivity Mode

Conductivity measurement range	0.01-20.0, 200.0, 2000 µS/cm, 20.00, 200.0 mS/cm
Conductivity accuracy	±1% F.S.
Conductivity resolution	0.001, 0.01, 0.1, 1
Conductivity calibration points	1 to 3 points
Conductivity calibration solutions	10 µS/cm , 84 µS/cm, 1413 µS/cm, 12.88 mS/cm, 111.8 mS/cm

TDS Mode

TDS measurement Range	0 to 10.00, 100.0, 1000 ppm, 10.00, 100 ppt (Max. 200 ppt)
TDS Accuracy	± 1 % F.S.
TDS Factor	0.01 to 1.00 (default 0.5)
TDS Calibration points	3 points

Temperature Mode

Temperature range	0 to 105°C, 32 to 221°F
Temperature accuracy	±1°C
Temperature resolution	0.1°C, 0.1°F
Temperature calibration points	1 point
Temperature Compensation Range and Mode	Manual or Automatic, 0 to 100°C , 32 to 212°F
Temperature coefficient	0.0 to 10.0 % per °C

Cell constant

K=0.1, 1, 10

Power requirements

DC 9 V, using AC adapter, AC 220 V, 50 Hz

Dimension (L×W×H)

210 × 205 × 75 mm

Weight

1.5 kg

Benchtop Dissolved Oxygen Meter

Benchtop Dissolved oxygen meter LBDO-A10

Dissolved oxygen range	0.0 to 20.0 mg / L (or ppm)
Dissolved oxygen accuracy	± 0.5 mg / L
Resolution	0.1 mg / L
Calibration points	1 - 2 points
Sensor type	Polarographic DO probe
Temperature compensation range	0 to 40 °C, 32 to 104 °F
Barometric pressure correction	60.0 to 112.5 kPa, 450 to 850 mmHg
Salinity correction	0 - 35 g / L
% of saturation of oxygen range	0.0 to 200.0 %
% of saturation of oxygen accuracy	± 10 % F.S.
% of saturation of oxygen resolution	0.001
System menu	Allows setting of 6 parameters
Data hold function	Manual or automatic endpoint detection
Power off	Manual or automatic (180 minutes)
Reset function	Yes
Memory
Display	Backlit LCD (135 × 75 mm)
Connector	6 pin mini plug
Stability conditions
Calibration due
Power	DC 9 V, use of SC adapter, AC 220 V / 50 Hz
Dimension (L × W × H)	210 × 205 × 75 mm
Weight	1.5 kg

Benchtop Dissolved oxygen meter LBDO-A11

Dissolved oxygen range	0.0 to 20.0 mg / L (or ppm)
Dissolved oxygen accuracy	± 0.2 mg / L
Resolution	0.01 mg / L
Calibration points	1 - 2 points
Sensor type	Polarographic DO probe
Temperature compensation range	0 to 50 °C, 32 to 122 °F
Barometric pressure correction	60.0 to 112.5 kPa, 450 to 850 mmHg
Salinity correction	0 - 50 g / L
% of saturation of oxygen range	0.0 to 200.0 %
% of saturation of oxygen accuracy	± 2.0 % F.S.
% of saturation of oxygen resolution	0.1, 1 %
System menu	Allows setting of 9 parameters
Data hold function	Manual or automatic endpoint detection
Power off	Manual or automatic (10, 20, 30 minutes)
Reset function	Yes
Memory	Stores up to 50 data sets
Display	Backlit LCD (130 × 110 mm)
Connector	6 pin mini plug
Stability conditions	Low or high
Calibration due	0 to 31 days
Power	DC 5 V, use of AC adapter, AC 220 V / 50 Hz
Dimension (L × W × H)	210 × 188 × 60 mm
Weight	1.5 kg

Benchtop Ion Meter

Benchtop Ion meter for F, LBIM-A11

Ion measurement range	F range: 1 × 106M – saturation, 0.02 ppm to saturation
Ion measurement accuracy	± 0.5 % F.S.
Resolution	0.001, 0.01, 0.1, 1
Calibration points	2 to 5 points
Calibration solutions	0.001, 0.01, 0.1, 1, 10, 100, 1000, 10000 ppm, mol / L, mg / L
mV range	(-1999.9) to 1999.9 mV
mV accuracy	± 0.2 mV
mV resolution	0.1 mV
Temperature measurement range	0 to 105 °C, 32 to 221 °F
Temperature accuracy	± 0.5 °C, ± 0.9 °F
Temperature resolution	0.1°C
Temperature compensation	0 to 100 °C, 32 to 212 °F
Compensation mode	Manual or automatic
Data hold function	Manual or automatic endpoint detection
Reset function	Yes
Stability condition	Low or high
Calibration due	0 to 31 days
Power off	Manual or automatic (10,20,30 minutes)
Memory	Stores up to 500 sets of data
Output	USB communication interface
Connector	BNC
Display	LCD (130 × 110 mm)
Power	DC 5 V, using AC adapter, AC 220 V / 50 Hz
Dimension (L × W × H)	210 × 188 × 60 mm
Weight	1.5 kg

Benchtop Ion meter for Na, LBIM-A12

Ion measurement range	Na range: 1 × 105 - 1 M, 0.1 - 23000 ppm
Ion measurement accuracy	± 0.5 % F.S.
Resolution	0.001, 0.01, 0.1, 1
Calibration points	2 to 5 points
Calibration solutions	0.001, 0.01, 0.1, 1, 10, 100, 1000, 10000 ppm, mol / L, mg / L
mV range	(-1999.9) to 1999.9 mV
mV accuracy	± 0.2 mV
mV resolution	0.1 mV
Temperature measurement range	0 to 105 °C, 32 to 221 °F
Temperature accuracy	± 0.5 °C, ± 0.9 °F
Temperature resolution	0.1°C
Temperature compensation	0 to 100 °C, 32 to 212 °F
Compensation mode	Manual or automatic
Data hold function	Manual or automatic endpoint detection
Reset function	Yes
Stability condition	Low or high
Calibration due	0 to 31 days
Power off	Manual or automatic (10,20,30 minutes)
Memory	Stores up to 500 sets of data
Output	USB communication interface
Connector	BNC
Display	LCD (130 × 110 mm)
Power	DC 5 V, using AC adapter, AC 220 V / 50 Hz
Dimension (L × W × H)	210 × 188 × 60 mm
Weight	1.5 kg

Benchtop Ion meter for Ca, LBIM-A13

Ion measurement range	Ca range: 5 × 107 - 1 M, 0.02 - 4000 ppm
Ion measurement accuracy	± 0.5 % F.S.
Resolution	0.001, 0.01, 0.1, 1
Calibration points	2 to 5 points
Calibration solutions	0.001, 0.01, 0.1, 1, 10, 100, 1000, 10000 ppm, mol / L, mg / L
mV range	(-1999.9) to 1999.9 mV
mV accuracy	± 0.2 mV
mV resolution	0.1 mV
Temperature measurement range	0 to 105 °C, 32 to 221 °F
Temperature accuracy	± 0.5 °C, ± 0.9 °F
Temperature resolution	0.1°C
Temperature compensation	0 to 100 °C, 32 to 212 °F
Compensation mode	Manual or automatic
Data hold function	Manual or automatic endpoint detection
Reset function	Yes
Stability condition	Low or high
Calibration due	0 to 31 days
Power off	Manual or automatic (10,20,30 minutes)
Memory	Stores up to 500 sets of data
Output	USB communication interface
Connector	BNC
Display	LCD (130 × 110 mm)
Power	DC 5 V, using AC adapter, AC 220 V / 50 Hz
Dimension (L × W × H)	210 × 188 × 60 mm
Weight	1.5 kg

Benchtop Ion meter for Br, LBIM-A14

Ion measurement range	Br range: 5 × 106 - 1 M, 0.4 - 79900 ppm
Ion measurement accuracy	± 0.5 % F.S.
Resolution	0.001, 0.01, 0.1, 1
Calibration points	2 to 5 points
Calibration solutions	0.001, 0.01, 0.1, 1, 10, 100, 1000, 10000 ppm, mol / L, mg / L
mV range	(-1999.9) to 1999.9 mV
mV accuracy	± 0.2 mV
mV resolution	0.1 mV
Temperature measurement range	0 to 105 °C, 32 to 221 °F
Temperature accuracy	± 0.5 °C, ± 0.9 °F
Temperature resolution	0.1°C
Temperature compensation	0 to 100 °C, 32 to 212 °F
Compensation mode	Manual or automatic
Data hold function	Manual or automatic endpoint detection
Reset function	Yes
Stability condition	Low or high
Calibration due	0 to 31 days
Power off	Manual or automatic (10,20,30 minutes)
Memory	Stores up to 500 sets of data
Output	USB communication interface
Connector	BNC
Display	LCD (130 × 110 mm)
Power	DC 5 V, using AC adapter, AC 220 V / 50 Hz
Dimension (L × W × H)	210 × 188 × 60 mm
Weight	1.5 kg

Conductivity Tester

Labtron pocket testers are small and compact in size, gives fast and accurate results. The Pocket testers consist of pH, ORP, TDS, dissolved oxygen, salinity and conductivity tester for various laboratory as well as outdoor applications. Measurements can be taken by inserting the probe in to the test solution and after gentle stirring, stable readings can be noted down.

Pocket Conductivity tester LPCT-A10

Conductivity measurement range	1.0 to 199.9 µS/cm
Type of conductivity	Low range conductivity
Conductivity accuracy	± 1 % F.S.
Conductivity calibration points	1 point
Conductivity calibration solutions	146.5 µS/cm
Sensor type	Platinum sensor
Temperature compensation	0 °C - 50 °C
Temperature coefficient	2 % per °C
Cell constant	K=1
Normalization temperature	25 °C
Data hold function	Manual
Display	LCD screen
Power off	Manual or automatic (8 minutes after last key is pressed)
Power	3 × 1.5 V “G134” batteries
Battery life	Approximately 150 hours
Dimension (L*dia.)	185 × 40 mm
Weight	100 g

Pocket Conductivity tester LPCT-A11

Conductivity measurement range	10 to 1999 µS/cm
Type of conductivity	Mid-range conductivity
Conductivity accuracy	± 1 % F.S.
Conductivity calibration points	1 point
Conductivity calibration solutions	1413 µS/cm
Sensor type	Platinum sensor
Temperature compensation	0 °C - 50 °C
Temperature coefficient	2 % per °C
Cell constant	K=1
Normalization temperature	25 °C
Data hold function	Manual
Display	LCD screen
Power off	Manual or automatic (8 minutes after last key is pressed)
Power	3 × 1.5 V “G134” batteries
Battery life	Approximately 150 hours
Dimension (L*dia.)	185 × 40 mm
Weight	100 g

Pocket Conductivity tester LPCT-A12

Conductivity measurement range	0.1 to 19.99 mS/cm
Type of conductivity	High range conductivity
Conductivity accuracy	± 1 % F.S.
Conductivity calibration points	1 point
Conductivity calibration solutions	12.88 mS/cm
Sensor type	Platinum sensor
Temperature compensation	0 °C - 50 °C
Temperature coefficient	2 % per °C
Cell constant	K=1
Normalization temperature	25 °C
Data hold function	Manual
Display	LCD screen
Power off	Manual or automatic (8 minutes after last key is pressed)
Power	3 × 1.5 V “G134” batteries
Battery life	Approximately 150 hours
Dimension (L*dia.)	185 × 40 mm
Weight	100 g

ORP Tester

Pocket ORP tester LPOT-A10

Sensor type	Platinum sensor
Connector	6 pin
ORP measurement range	(-999) to 999 mV
ORP accuracy	± 2 mV
ORP resolution	1 mV
ORP calibration solutions	mV & relative mV
ORP calibration points	1 point (only for relative mV mode)
Data hold function	Manual or automatic endpoint detection
Reset function	Yes
Display	LCD screen
Power off	Manual or automatic (8 minutes after last key is pressed)
Power	2 × 1.5V “AAA” batteries
Battery life	200 hours
Dimension (L*dia.)	175 × 40 mm
Weight	100 g

Pocket ORP tester LPOT-A11

Sensor type
Connector	BNC
ORP measurement range	(-999) to 999 mV
ORP accuracy	± 2 mV
ORP resolution	1 mV
ORP calibration solutions	mV & relative mV
ORP calibration points	1 point (only for relative mV mode)
Data hold function	Manual or automatic endpoint detection
Reset function	Yes
Display	LCD screen
Power off	Manual or automatic (8 minutes after last key is pressed)
Power	2 × 1.5V “AAA” batteries
Battery life	200 hours
Dimension (L*dia.)	175 × 40 mm
Weight	100 g

pH Tester

Pocket pH tester LPPT-A10

pH measurement range	0.0 - 14.00 pH
Shape of electrode	Round glass pH electrode
pH measurement accuracy	± 0.1 pH
Calibration point	2 points
Calibration solution	USA (pH 4.0/7.00/10.01), NIST (pH 4.01/6.86/9.18)
Operating temperature
Temperature accuracy
Temperature compensation range
Data hold function	Manual or Automatic
Connector	6 pin
Shutdown mode	Manual or automatic ( 8 minutes without key operations)
Dimension (length × diameter)	185 × 40 mm
Weight	100 g
Power type	3 × 1.5 V G13A button battery 3
Battery life	About 150 hours

Pocket pH tester LPPT-A11

pH measurement range	0.0 - 14.00 pH
Shape of electrode	Flat pH electrode
pH measurement accuracy	± 0.1 pH
Calibration point	2 points
Calibration solution	USA (pH 4.0/7.00/10.01), NIST (pH 4.01/6.86/9.18)
Operating temperature
Temperature accuracy
Temperature compensation range
Data hold function	Manual or Automatic
Connector	6 pin
Shutdown mode	Manual or automatic ( 8 minutes without key operations)
Dimension (length × diameter)	185 × 40 mm
Weight	100 g
Power type	3 × 1.5 V G13A button battery 3
Battery life	About 150 hours

Pocket pH tester LPPT-A12

pH measurement range	0.0 - 14.00 pH
Shape of electrode	Long distance planar pH electrode
pH measurement accuracy	± 0.1 pH
Calibration point	2 points
Calibration solution	USA (pH 4.0/7.00/10.01), NIST (pH 4.01/6.86/9.18)
Operating temperature
Temperature accuracy
Temperature compensation range
Data hold function	Manual or Automatic
Connector	6 pin
Shutdown mode	Manual or automatic ( 8 minutes without key operations)
Dimension (length × diameter)	185 × 40 mm
Weight	100 g
Power type	3 × 1.5 V G13A button battery 3
Battery life	About 150 hours

Pocket pH tester LPPT-A21

pH measurement range	pH range: (-1.00) to 15.00 pH
Shape of electrode	Flat pH electrode
pH measurement accuracy	± 0.01 pH
Calibration point	1 - 3 points
Calibration solution	USA (pH 4.0/7.00/10.01), NIST (pH 4.01/6.86/9.18)
Operating temperature
Temperature accuracy
Temperature compensation range	0 °C to 60 °C, Automatic
Data hold function	Manual or Automatic
Connector	6 pin
Shutdown mode	Manual or automatic ( 8 minutes without key operations)
Dimension (length × diameter)	185 × 40 mm
Weight	100 g
Power type	2 × 1.5 V AAA batteries
Battery life	About 200 hours

Salinity Tester

Pocket Salinity tester LPST-A10

Salinity measurement range	0.00 to 10.00 ppt
Salinity accuracy	± 1 % F.S
Conductivity range	0 - 20.00, 200.0, 2000 µS/cm, 20.00 mS/cm
Calibration solutions	84 µS/cm, 1413 µS/cm, 12.88 mS/cm
Conductivity accuracy	± 1 % F.S
Calibration points	1 - 3 points
Temperature compensation range	0 °C to 60 °C, 32 °F to 140 °F
Temperature accuracy	± 1 °C
Temperature coefficient	2 % per °C
Normalization temperature	25 °C
Reset function	Yes
Cell constant	K=1
Data hold function	Manual or automatic endpoint detection
Power off	Manual or automatic (8 minute after last key is pressed)
Sensor type	Platinum sensor
Battery life	Approximately 200 hours
Power	2 × 1.5 V AAA batteries
Dimension (L × Dia.)	185 × 40 mm
Weight	100 g

Pocket Salinity tester LPST-A11

Salinity measurement range	0.00 to 80.00 ppt
Salinity accuracy	± 1 % F.S
Conductivity range	0 - 200.0 µS/cm, 100 - 2000 µS/cm, 20.00 mS/cm
Calibration solutions	1413 µS/cm, 12.88 mS/cm, 111.8 mS/cm
Conductivity accuracy	± 1 % F.S
Calibration points	1 - 3 points
Temperature compensation range	0 °C to 60 °C, 32 °F to 140 °F
Temperature accuracy	± 1 °C
Temperature coefficient	2 % per °C
Normalization temperature	25 °C
Reset function	Yes
Cell constant	K=1
Data hold function	Manual or automatic endpoint detection
Power off	Manual or automatic (8 minute after last key is pressed)
Sensor type	Platinum sensor
Battery life	Approximately 200 hours
Power	2 × 1.5 V AAA batteries
Dimension (L × Dia.)	185 × 40 mm
Weight	100 g

TDS Tester

Pocket TDS tester LPTS-A10

TDS range	0.5 - 100.0 ppm
TDS accuracy	± 1 % F.S.
TDS factor	0.4 to 1.0 (default 0.5)
Calibration points	1 point
TDS type range	Low range TDS
Calibration solutions	71.8 ppm
Type of sensor	Platinum sensor
Temperature compensation	0 °C - 50 °C, Automatic
Temperature coefficient	2 % per °C
Normalization temperature	25 °C
Operating temperature	0 °C - 60 °C, 32 °F - 140 °F
Connector	6 pin
Display	LCD screen
Data hold function	Manual
Battery life	Approximately 150 hours
Power off	Manual or automatic (8 minutes after last key is pressed)
Power	3 × 1.5 V “G13A”
Dimension (L × dia.)	185 × 40 mm
Weight	100 g

Pocket TDS tester LPTS-A11

TDS range	5 - 1000 ppm
TDS accuracy	± 1 % F.S.
TDS factor	0.4 to 1.0 (default 0.5)
Calibration points	1 point
TDS type range	Mid-range TDS
Calibration solutions	744.7 ppm
Type of sensor	Platinum sensor
Temperature compensation	0 °C - 50 °C, Automatic
Temperature coefficient	2 % per °C
Normalization temperature	25 °C
Operating temperature	0 °C - 60 °C, 32 °F - 140 °F
Connector	6 pin
Display	LCD screen
Data hold function	Manual
Battery life	Approximately 150 hours
Power off	Manual or automatic (8 minutes after last key is pressed)
Power	3 × 1.5 V “G13A”
Dimension (L × dia.)	185 × 40 mm
Weight	100 g

Pocket TDS tester LPTS-A12

TDS range	0.05 - 10.00 ppt
TDS accuracy	± 1 % F.S.
TDS factor	0.4 to 1.0 (default 0.5)
Calibration points	1 point
TDS type range	High range TDS
Calibration solutions	7447 ppm
Type of sensor	Platinum sensor
Temperature compensation	0 °C - 50 °C, Automatic
Temperature coefficient	2 % per °C
Normalization temperature	25 °C
Operating temperature	0 °C - 60 °C, 32 °F - 140 °F
Connector	6 pin
Display	LCD screen
Data hold function	Manual
Battery life	Approximately 150 hours
Power off	Manual or automatic (8 minutes after last key is pressed)
Power	3 × 1.5 V “G13A”
Dimension (L × dia.)	185 × 40 mm
Weight	100 g

Multi-range pocket TDS tester LPTS-A20

TDS range	0 - 20 ppt
TDS accuracy	± 1 % F.S.
TDS factor	0.1 to 1.0 (default 0.5)
Calibration points	1 - 3 points
TDS type range	Low range TDS
Calibration solutions	100 ppm, 1000 ppm, 10 ppt
Type of sensor	Platinum sensor
Temperature compensation	0 °C - 60 °C, Automatic
Temperature coefficient	2 % per °C
Normalization temperature	25 °C
Operating temperature	0 °C - 60 °C, 32 °F - 140 °F
Connector	6 pin
Display	LCD screen
Data hold function	Manual
Battery life	Approximately 150 hours
Power off	Manual or automatic (8 minutes after last key is pressed)
Power	2 × 1.5 V “AAA”
Dimension (L × dia.)	185 × 40 mm
Weight	100 g

Portable Dissolve Oxygen Meter

Labtron portable meters are used in quality analysis of water and other solutions. With portability, waterproof features, finds applications in indoor as well as outdoor measurement of pH, ORP, dissolved oxygen, water hardness, salinity, TDS etc.

Portable Dissolved oxygen meter LPRDO-A10

Dissolved oxygen range	0.0 to 20.0 mg / L (or ppm)
Dissolved oxygen accuracy	± 0.5 mg / L
Resolution	0.1 mg / L
Calibration points	1 - 2 points
Sensor type	Polarographic DO probe
Temperature compensation range	0 to 40 °C, 32 °F to 104 °F
Barometric pressure correction	60.0 to 112.5 kPa, 450 to 850 mmHg
Salinity correction	0 - 35 g / L
% of saturation of oxygen range	0.0 to 200.0 %
% of saturation of oxygen accuracy	± 10 % F.S.
% of saturation of oxygen resolution	0.001
System menu
Data hold function	Manual
Power off
Reset function	Yes
Memory	Stores up to 48 sets of data
Output	USB communication interface
Display	LCD screen
Connector	4-pin mini plug
Calibration due
Stability connector
Battery life	Approximately 150 hours
Power	1 x 9 V / 800 mA battery
Dimension (L x W x H)	185 × 88 × 32 mm
Weight	300 g

Portable dissolved oxygen meter LPRDO-A11

Dissolved oxygen range	0.0 - 20.0 mg / L (or ppm)
Dissolved oxygen accuracy	± 0.2 mg / L
Resolution	0.01 mg / L
Calibration points	1 - 2 points
Sensor type	Polarographic DO probe
Temperature compensation range	0 to 50 °C, 32 °F to 122 °F, Automatic
Barometric pressure correction	60.0 to 112.5 kPa, 450 to 850 mmHg
Salinity correction	0 to 50 g / L
% of saturation of oxygen range	0.0 to 200.0 %
% of saturation of oxygen accuracy	± 2.0 % F.S.
% of saturation of oxygen resolution	0.1, 1 %
System menu	Allows setting of 9 parameters
Data hold function	Manual or automatic endpoint detection
Power off	Manual or automatic (10, 20, 30 minutes)
Reset function	Yes
Memory	Stores up to 500 data sets
Output	USB communication interface
Display	Backlit LCD (130 × 110 mm)
Connector	6 pin mini plug
Calibration due	0 to 31 days
Stability connector	Low or high
Battery life
Power	3 x 1.5 V “AA” batteries
Dimension (L x W x H)	170 × 85 × 30 mm
Weight	300 g

Portable Multi Parameter Water Quality Meter

Portable Multi-parameter Water Quality Meter LMPWM-A10

pH mode

pH measurement range	(-2.000) to 20.000 pH
pH accuracy	± 0.002 pH
pH calibration points	1 - 5 points
pH calibration solutions	USA, NIST, DIN or user defined

ORP measurement

ORP measurement range	-1999.9 to 1999.9 mV
ORP accuracy	±0.2 mV
ORP calibration points	1 point
ORP calibration solutions	mV & relative mV

Ion measurement

Ion measurement range	0 to 19999 ppm, mg/L, mol/L
Ion accuracy	± 0.5 % F.S. (monovalent), ± 1 % F.S. (divalent)
Ion calibration points	2 - 5 points
Ion calibration solutions	0.001, 0.01, 0.1, 1, 10, 100, 1000, 10000 ppm, mol/L, mg/L

Conductivity measurement

Conductivity measurement range	0 - 20.00, 200.0, 2000 µS / cm, 20.00, 200.2 mS / cm
Conductivity accuracy	± 0.5 % F.S.
Conductivity calibration points	1 - 5 points
Conductivity calibration solutions	10 µS / cm, 84 µS / cm, 1413 µS / cm, 12.88mS / cm, 111.8mS / cm
Temperature coefficient	0.0 to 10.0 % / °C
Compensation modes	Linear or pre water
Cell constant	K = 0.1, 1, 10 or user-defined
Normalization temperature	20 °C or 25 °C

TDS measurement

TDS range	0 to 100 ppt. (max. 200 ppt., depending on factor setting)
TDS accuracy	± 1 % F.S.
TDS factor	0.1 - 1.0 (default 0.5)

Salinity measurement

Salinity range	0 to 100 ppt. (max. 80 ppt.)
Salinity accuracy	± 1 % F.S
Measurement modes	Seawater or practical salinity

Resistivity

Resistivity range	0 to 100 Ω
Resistivity accuracy	± 1 % F.S
Resistivity resolution	0.01, 0.1, 1

Dissolved oxygen

DO concentration range	0.00 to 20.00 mg/L
DO accuracy	± 0.2 mg/L
Calibration points	1 - 2 points
Pressure correction	60.0 to 112.5 kPa, 450 - 850 mmHg
Salinity correction	0 to 50 g/L
% Saturation of Oxygen	0.0 to 200.0 %
Accuracy	± 2.0 %

Temperature compensation

0 to 100 °C, 32 to 212 °F, Manual or Automatic

Stability conditions

Low or high

Calibration due

0 to 31 days

Memory

Stores up to 500 data sets

Output

USB communication interface

Connector

Display

Dimension (L × W × H)

185 × 88 × 32 mm

Weight

300 g

Power supply

3 × 1.5 V “AA batteries or DC 5 V power adapter

Portable Multi-parameter Water Quality Meter LMPWM-A11

pH mode

pH measurement range	(-2.000) to 20.000 pH
pH accuracy	± 0.002 pH
pH calibration points	1 - 5 points
pH calibration solutions	USA, NIST, DIN or user defined

ORP measurement

ORP measurement range	-1999.9 to 1999.9 mV
ORP accuracy	±0.2 mV
ORP calibration points	1 point
ORP calibration solutions	mV & relative mV

Ion measurement

Ion measurement range
Ion accuracy
Ion calibration points
Ion calibration solutions

Conductivity measurement

Conductivity measurement range	0 - 20.00, 200.0, 2000 µS / cm, 20.00, 200.2 mS / cm
Conductivity accuracy	± 0.5 % F.S.
Conductivity calibration points	1 - 5 points
Conductivity calibration solutions	10 µS / cm, 84 µS / cm, 1413 µS / cm, 12.88mS / cm, 111.8mS / cm
Temperature coefficient	0.0 to 10.0 % / °C
Compensation modes	Linear or pre water
Cell constant	K = 0.1, 1, 10 or user-defined
Normalization temperature	20 °C or 25 °C

TDS measurement

TDS range	0 to 100 ppt. (max. 200 ppt., depending on factor setting)
TDS accuracy	± 1 % F.S.
TDS factor	0.1 - 1.0 (default 0.5)

Salinity measurement

Salinity range	0 to 100 ppt. (max. 80 ppt.)
Salinity accuracy	± 1 % F.S
Measurement modes	Seawater or practical salinity

Resistivity

Resistivity range	0 to 100 Ω
Resistivity accuracy	± 1 % F.S
Resistivity resolution	0.01, 0.1, 1

Dissolved oxygen

DO concentration range
DO accuracy
Calibration points
Pressure correction
Salinity correction
% Saturation of Oxygen
Accuracy

Temperature compensation

0 to 100 °C, 32 to 212 °F, Manual or Automatic

Stability conditions

Low or high

Calibration due

0 to 31 days

Memory

Stores up to 500 data sets

Output

USB communication interface

Connector

Display

Dimension (L × W × H)

185 × 88 × 32 mm

Weight

300 g

Power supply

3 × 1.5 V “AA batteries or DC 5 V power adapter

Portable Multi-parameter Water Quality Meter LMPWM-A20

pH mode

pH measurement range	(-2.000) to 20.000 pH
pH accuracy	± 0.002 pH
pH calibration points	1 - 5 points
pH calibration solutions	USA, NIST, DIN or user defined

ORP measurement

ORP measurement range	-1999.9 to 1999.9 mV
ORP accuracy	±0.2 mV
ORP calibration points	1 point
ORP calibration solutions	mV & relative mV

Conductivity measurement

Conductivity measurement range	0 - 20.00, 200.0, 2000 µS / cm, 20.00, 200.2 mS / cm
Conductivity accuracy	± 0.5 % F.S.
Conductivity calibration points	1 - 5 points
Conductivity calibration solutions	10 µS / cm, 84 µS / cm, 1413 µS / cm, 12.88mS / cm, 111.8mS / cm
Temperature coefficient	0.0 to 10.0 % / °C
Compensation modes	Linear or pre water
Cell constant	K = 0.1, 1, 10 or user-defined
Normalization temperature	20 °C or 25 °C

TDS measurement

TDS range	0-100 ppt. (max. 200 ppt., depending on factor setting)
TDS accuracy	± 1 % F.S.
TDS factor	0.1 - 1.0 (default 0.5)

Temperature compensation

0 to 100 °C, 32 to 212 °F, Manual or Automatic

Stability conditions

Low or high

Calibration due

0 to 31 days

Memory

Stores up to 500 data sets

Output

USB communication interface

Connector

BNC, 6- pin MINI connector

Display

LCD

Dimension (L × W × H)

170×85×30 mm

Weight

300 g

Power supply

3 × 1.5 V “AA batteries or DC 5 V power adapter

Portable Multi-parameter Water Quality Meter LMPWM-A21

pH mode

pH measurement range	(-2.000) to 20.000 pH
pH accuracy	± 0.002 pH
pH calibration points	1 - 5 points
pH calibration solutions	USA, NIST, DIN or user defined

ORP measurement

ORP measurement range	-1999.9 to 1999.9 mV
ORP accuracy	±0.2 mV
ORP calibration points	1 point
ORP calibration solutions	mV & relative mV

Dissolved oxygen

DO concentration range	0.00 to 20.00 mg/L
DO accuracy	± 0.2 mg/L
Calibration points	1 - 2 points
Pressure correction	60.0 to 112.5 kPa, 450 - 850 mmHg
Salinity correction	0 to 50 g/L
% Saturation of Oxygen	0.0 to 200.0 %
Accuracy	± 2.0 %

Temperature compensation

0 to 100 °C, 32 to 212 °F, Manual or Automatic

Stability conditions

Low or high

Calibration due

0 to 31 days

Memory

Stores up to 500 data sets

Output

USB communication interface

Connector

BNC, 6- pin MINI connector

Display

LCD

Dimension (L × W × H)

170×85×30 mm

Weight

300 g

Power supply

3 × 1.5 V “AA batteries or DC 5 V power adapter

pH Meters (Portable)

Portable pH meter LPRPM-A10

pH range	(-2.00) to 16.00 pH
pH accuracy	± 0.01 pH
pH resolution	0.01 pH
Calibration points	2 points
Calibration solutions	USA (pH 4.01 / 7.00 / 10.01),
Temperature compensation	0 to 100 °C, 32 to 212 °F, Manual or Automatic
mV range	(-1999) to 1999 mV
mV accuracy	± 1 mV
mV resolution	1 mV
Temperature measuring range	0 to 100 °C, 32 to 212 °F
Temperature accuracy	± 1 °C
Temperature resolution	0.1 °C
Hold function	Manual
Storage/memory	Stores up to 50 data sets
Communication output	USB
Connector	BNC
Dimension (L × W × H)	185 × 88 × 32 mm
Weight	300 g
Battery life	About 150 hours
Power	9 V / 800 mA battery

Portable pH/ORP meter LPRPM-A11

pH range	(-2.00) to 20.00 pH
pH accuracy	± 0.002 pH
pH resolution	0.1, 0.01, 0.001 pH
Calibration points	1 - 5 points
Calibration solutions	USA (pH 4.01 / 7.00 / 10.01 / 12.45), NIST(pH 1.68 / 4.01 / 6.86 / 9.18 / 12.45), DIN (pH 1.09 / 4.65 / 6.79 / 9.23 / 12.75) or user defined
Temperature compensation	0 to 100 °C, 32 to 212 °F, Manual or Automatic
mV range	(-1999) to 1999 mV
mV accuracy	± 0.2 mV
mV resolution	0.1, 1 mV
Temperature measuring range	0 to 100 °C, 32 to 212 °F
Temperature accuracy	± 0.5 °C, ± 0.9 °F
Temperature resolution	0.1 °C
Hold function	Manual
Storage/memory	Stores up to 500 data sets
Communication output	USB interface
Connector	BNC
Dimension (L × W × H)	170 × 85 × 30 mm
Weight	300 g
Battery life	About 150 hours
Power	4.5 V “AA batteries or DC 5 V power adapter

Multi Parameter Water Quality Analyzer

Multi parameter water quality analyzer LMWA-A10

COD

COD determination range	2 to 10000 mg/ L
COD measurement accuracy	COD < 50 mg/ L, ≤ ± 10 % and COD > 50 mg/ L, ≤ ± 5 %
COD minimum detection limit	0.1 mg/ L
COD measurement time	20 minutes
COD repeatability	≤ ± 5 %
Processing sample number per batch
Consumables for colorimetric COD measurement	Colorimetric tubes and Cuvette
COD reactor digestion temperature	165 ± 0.5°C
COD reactor digestion time	10 min
COD reactor time setting switches	3 pcs
Anti-chlorine interference	(Cl) < 1000 mg/ L No effect

Ammonia nitrogen

Ammonia nitrogen determination range	0.02 to 60 mg/ L
Ammonia nitrogen measurement accuracy	≤ ± 10 %
Ammonia nitrogen minimum detection limit	0.01 mg/ L
Ammonia nitrogen measurement time	10 to 15 minutes
Ammonia nitrogen repeatability	≤ ± 5 %
Processing sample number per batch
Consumables for colorimetric ammonia nitrogen measurement	Colorimetric tubes and Cuvette
Ammonia nitrogen reactor time setting switches	3 pcs

Total phosphorous

Total phosphorous determination range	0.002 to 20 mg/ L
Total phosphorous total phosphorous measurement accuracy	≤ ± 5 %
Total phosphorous minimum detection limit	0.001 mg/ L
Total phosphorous measurement time	35 to 50 minutes
Total phosphorous repeatability	≤ ± 5 %
Processing sample number per batch
Consumables for colorimetric total phosphorous measurement	Colorimetric tubes and Cuvette
Total phosphorous reactor digestion temperature	120 ± 0.5°C
Total phosphorous reactor digestion time	30 min
Total phosphorous reactor time setting switches	3 pcs

Turbidity

Turbidity determination range	0.5 to 400 NTU
Turbidity measurement accuracy	≤ ± 5 %
Turbidity minimum detection limit	0.1 NTU
Turbidity measurement time	1 minute
Turbidity repeatability	≤ ± 5 %
Consumables for colorimetric turbidity measurement	Colorimetric Cuvette

Light source life

100000 hours

Optical stability

≤ 0.001 A/ 10 min

No. of curves

166

Storage data

12000

Display

LCD (320 × 240)

Interface

USB

Power supply

AC 200 V

Dimension

550 × 300 × 250 mm

Gross Weight

21 kg

Multi parameter water quality analyzer LMWA-A11

COD

COD determination range	5 to 5000 mg/ L
COD measurement accuracy	COD < 50 mg/ L, ≤ ± 10 % and COD > 50 mg/ L, ≤ ± 5 %
COD minimum detection limit	0.1 mg/ L
COD measurement time	20 minutes
COD repeatability	≤ ± 5 %
Processing sample number per batch	12 pcs
Consumables for colorimetric COD measurement	Colorimetric tubes and Cuvette
COD reactor digestion temperature	165 ± 0.5°C
COD reactor digestion time	10 min
COD reactor time setting switches	3 pcs
Anti-chlorine interference	(Cl) < 1000 mg/ L No effect

Ammonia nitrogen

Ammonia nitrogen determination range	0.02 to 30 mg/ L
Ammonia nitrogen measurement accuracy	≤ ± 10 %
Ammonia nitrogen minimum detection limit	0.01 mg/ L
Ammonia nitrogen measurement time	10 to 15 minutes
Ammonia nitrogen repeatability	≤ ± 5 %
Processing sample number per batch	20 pcs
Consumables for colorimetric ammonia nitrogen measurement	Colorimetric tubes and Cuvette
Ammonia nitrogen reactor time setting switches	3 pcs

Total phosphorous

Total phosphorous determination range	0.002 to 10 mg/ L
Total phosphorous total phosphorous measurement accuracy	≤ ± 5 %
Total phosphorous minimum detection limit	0.001 mg/ L
Total phosphorous measurement time	35 to 50 minutes
Total phosphorous repeatability	≤ ± 5 %
Processing sample number per batch	12 pcs
Consumables for colorimetric total phosphorous measurement	Colorimetric tubes and Cuvette
Total phosphorous reactor digestion temperature	120 ± 0.5°C
Total phosphorous reactor digestion time	30 min
Total phosphorous reactor time setting switches	3 pcs

Turbidity

Turbidity determination range	0.5 to 400 NTU
Turbidity measurement accuracy	≤ ± 5 %
Turbidity minimum detection limit	0.1 NTU
Turbidity measurement time	1 minute
Turbidity repeatability	≤ ± 5 %
Consumables for colorimetric turbidity measurement	Colorimetric Cuvette

Light source life

100000 hours

Optical stability

≤ 0.001 A/ 10 min

No. of curves

Storage data

12000

Display

LCD (320 × 240)

Interface

USB

Power supply

AC 200 V

Dimension

450 × 300 × 250 mm

Gross Weight

18 kg

Turbidity Meter

Portable turbidity meter LTM-A16

Light source	LED/860 nm (Wavelength)
Readings display	LCD
Unit switches	NTU, FTU, EBC, ASBC
Measurement range	0.00-20.0; 20.01-200; 200.01-1000 NTU
Minimum reading	0.001
Calibration modes	6
Allowable error of indication	≤±6%
Zero Drift	≤±0.5%FS
Stability of indication	≤±0.5% FS
Repeatability	≤0.5%
Sample bottle	Φ 25 mm×65 mm
Sample volume	20-25 ml
Interface	USB
Data storage	2000 sets
Net Weight	650 gm

Portable Turbidity Meter LTM-A10

Measuring range (NTU)	0 to 200
Minimum readout value (NTU)	0.1
Calibration point	Nil
Sample volume	5 to 10 ml
Principle method	90° scattered light
Operating temperature	5 to 40°C
Working temperature	5 to 40°C
Light source	Infrared-emitting diode (850 nm λ)
Detector	Silicon photodiode
Error value	± 6 % (± 2 % F.S)
Zero drift	± 0.5 % F.S.
Reset functions	Yes
Memory	Stores up to 20 sets data
Output
Dimension	370 × 260 × 150 mm
Weight	1.5 kg
Power batteries	DC 1.5 V, 5 AA alkaline batteries
Power supply	AC 220 V, 50 Hz

Portable Turbidity Meter LTM-A11

Measuring range (NTU)	0 to 100, 0 to 200
Minimum readout value (NTU)	0.01, 0.1
Calibration point	4
Sample volume	5 to 10 ml
Principle method	90° scattered light
Operating temperature	5 to 40°C
Working temperature	5 to 40°C
Light source	Infrared-emitting diode (850 nm λ)
Detector	Silicon photodiode
Error value	± 6 % (± 2 % F.S)
Zero drift	± 0.5 % F.S.
Reset functions	Yes
Memory	Stores up to 20 sets data
Output
Dimension	370 × 260 × 150 mm
Weight	1.5 kg
Power batteries	DC 1.5 V, 5 AA alkaline batteries
Power supply	AC 220 V, 50 Hz

Portable Turbidity Meter LTM-A12

Measuring range (NTU)	0 to 100, 100 to 400
Minimum readout value (NTU)	0.01, 0.1
Calibration point	5
Sample volume	5 to 10 ml
Principle method	90° scattered light
Operating temperature	5 to 40°C
Working temperature	5 to 40°C
Light source	Infrared-emitting diode (850 nm λ)
Detector	Silicon photodiode
Error value	± 6 % (± 2 % F.S)
Zero drift	± 0.5 % F.S.
Reset functions	Yes
Memory	Stores up to 20 sets data
Output
Dimension	370 × 260 × 150 mm
Weight	1.5 kg
Power batteries	DC 1.5 V, 5 AA alkaline batteries
Power supply	AC 220 V, 50 Hz

Benchtop Multi-parameter Water Quality Meter

Benchtop Multi-parameter Water Quality Meter LMPWM-A30

pH Mode	pH range -2.00 to 20.00 pH pH Accuracy ± 0.002 pH pH Resolution 0.1/0.01/0.001 pH, selectable pH Calibration Points 1 to 5 Points pH Buffer Solutions USA (pH 4.0/7.00/10.01) or NIST (pH 4.01/6.86/9.18) or DIN buffers
ORP Mode
mV Mode	mV Range -1999.9 to 1999.9 mV mV Accuracy ± 0.2 mV mV Resolution 0.1/1 mV, selectable mV Calibration Points 1 Point
Ion Mode
Water Hardness Mode
Temperature Mode
Conductivity Mode	Conductivity Range 0.01 to 20.00, 200.0, 2000 µS/cm, 20.00, 200.0 mS/cm Conductivity Accuracy ± 0.5% F.S. Conductivity Resolution 0.01/0.1/1 Conductivity Calibration Points 1 to 5 Points Conductivity Solutions 10, 84, 1413 µS/cm, 12.88, 111.8 mS/ cm Conductivity Temperature coefficient 0.0 to 10.0 %/°C Compensation mode Linear or Pure Water Cell Constant K=0.1, 1, 10 or Custom Reference temperature 20 or 25°C
TDS Mode	TDS Range 0 to 10.00, 100.0, 1000 ppm, 10.00, 100 ppt (Max. 200 ppt) TDS Accuracy ± 1 % F.S. TDS Factor 0.1 to 1.0 (default 0.5)
Salinity Mode
Resistivity Mode
Dissolved Oxygen Mode
Temperature Range	0 to 105°C, 32 to 221°F
Temperature Accuracy	± 0.5°C
Temperature Resolution	0.1°C
Temperature Calibrations Points	1 Point
Temperature Compensation Mode	Manual or Automatic
Data Hold Function	Manual or Automatic Endpoint Detection
Stability Criteria	Low or High
Calibration Due Alarm	1 to 31 Days
Reset Function	Yes
Memory	Stores Up to 500 data sets
Output	USB interface
Connector	BNC, 6-pin mini plug
Display	LCD
Power supply	DC5 V, AC 220 V, 50 Hz
Dimension (L × W × H)	210 × 188 × 60 mm
Weight	1.5 kg

Benchtop Multi-parameter Water Quality Meter LMPWM-A31

pH Mode	pH range -2.00 to 20.00 pH pH Accuracy ± 0.002 pH pH Resolution 0.1/0.01/0.001 pH, selectable pH Calibration Points 1 to 5 Points pH Buffer Solutions USA (pH 4.0/7.00/10.01) or NIST (pH 4.01/6.86/9.18) or DIN buffers
ORP Mode
mV Mode	mV Range -1999.9 to 1999.9 mV mV Accuracy ± 0.2 mV mV Resolution 0.1/1 mV, selectable mV Calibration Points 1 Point
Ion Mode
Water Hardness Mode
Temperature Mode
Conductivity Mode	Conductivity Range 0.01 to 20.00, 200.0, 2000 µS/cm, 20.00, 200.0 mS/cm Conductivity Accuracy ± 0.5% F.S. Conductivity Resolution 0.01/0.1/1 Conductivity Calibration Points 1 to 5 Points Conductivity Solutions 10, 84, 1413 µS/cm, 12.88, 111.8 mS/ cm Conductivity Temperature coefficient 0.0 to 10.0 %/°C Compensation mode Linear or Pure Water Cell Constant K=0.1, 1, 10 or Custom Reference temperature 20 or 25°C
TDS Mode	TDS Range 0 to 10.00, 100.0, 1000 ppm, 10.00, 100 ppt (Max. 200 ppt) TDS Accuracy ± 1 % F.S. TDS Factor 0.1 to 1.0 (default 0.5)
Salinity Mode	Salinity Range 0 to 10 ppt (maximum 80 ppt) Salinity Accuracy ± 1 % F.S. Measurement modes Seawater or practical salinity
Resistivity Mode	Resistivity Range 0 to 100 MΩ Resistivity Accuracy ± 1 % F.S. Resistivity Resolution 0.01, 0.1, 1
Dissolved Oxygen Mode
Temperature Range	0 to 105°C, 32 to 221°F
Temperature Accuracy	± 0.5°C
Temperature Resolution	0.1°C
Temperature Calibrations Points	1 Point
Temperature Compensation Mode	Manual or Automatic
Data Hold Function	Manual or Automatic Endpoint Detection
Stability Criteria	Low or High
Calibration Due Alarm	1 to 31 Days
Reset Function	Yes
Memory	Stores Up to 500 data sets
Output	USB interface
Connector	BNC, 6-pin mini plug
Display	LCD
Power supply	DC5 V, AC 220 V, 50 Hz
Dimension (L × W × H)	210 × 188 × 60 mm
Weight	1.5 kg

Benchtop Multi-parameter Water Quality Meter LMPWM-A32

pH Mode	pH range -2.00 to 20.00 pH pH Accuracy ± 0.002 pH pH Resolution 0.1/0.01/0.001 pH, selectable pH Calibration Points 1 to 5 Points pH Buffer Solutions USA (pH 4.0/7.00/10.01) or NIST (pH 4.01/6.86/9.18) or DIN buffers
ORP Mode
mV Mode	mV Range -1999.9 to 1999.9 mV mV Accuracy ± 0.2 mV mV Resolution 0.1/1 mV, selectable mV Calibration Points 1 Point
Ion Mode
Water Hardness Mode
Temperature Mode
Conductivity Mode	Conductivity Range 0.01 to 20.00, 200.0, 2000 µS/cm, 20.00, 200.0 mS/cm Conductivity Accuracy ± 0.5% F.S. Conductivity Resolution 0.01/0.1/1 Conductivity Calibration Points 1 to 5 Points Conductivity Solutions 10, 84, 1413 µS/cm, 12.88, 111.8 mS/ cm Conductivity Temperature coefficient 0.0 to 10.0 %/°C Compensation mode Linear or Pure Water Cell Constant K=0.1, 1, 10 or Custom Reference temperature 20 or 25°C
TDS Mode
Salinity Mode
Resistivity Mode
Dissolved Oxygen Mode	Dissolved Oxygen Range 0.00 to 20.00 mg/ L Dissolved Oxygen Accuracy ± 0.2 mg/ L Dissolved Oxygen Resolution 0.1/ 0.01 mg/ L, selectable Dissolved Oxygen Calibration Points 1 or 2 Points % Saturation Range 0.0 to 200.0 % with ± 2 % accuracy Pressure correction 60 to 112.5 kPa, 450 to 850 mmHg Salinity correction 0 to 50 g/ L
Temperature Range	0 to 105°C, 32 to 221°F
Temperature Accuracy	± 0.5°C
Temperature Resolution	0.1°C
Temperature Calibrations Points	1 Point
Temperature Compensation Mode	Manual or Automatic
Data Hold Function	Manual or Automatic Endpoint Detection
Stability Criteria	Low or High
Calibration Due Alarm	1 to 31 Days
Reset Function	Yes
Memory	Stores Up to 500 data sets
Output	USB interface
Connector	BNC, 6-pin mini plug
Display	LCD
Power supply	DC5 V, AC 220 V, 50 Hz
Dimension (L × W × H)	210 × 188 × 60 mm
Weight	1.5 kg

Benchtop Multi-parameter Water Quality Meter LMPWM-A40

pH Mode	pH range -2.00 to 20.00 pH pH Accuracy ± 0.002 pH pH Resolution 0.1/0.01/0.001 pH, selectable pH Calibration Points 1 to 5 Points pH Buffer Solutions USA (pH 4.0/7.00/10.01) or NIST (pH 4.01/6.86/9.18) or DIN buffers
ORP Mode	mV Range ± 2000 mV mV Accuracy ± 0.2 mV mV Resolution 0.1 mV, selectable mV Calibration Points 1 Point, only for relative mode
mV Mode
Ion Mode	Ion measurement range 0.01 to 30000 ppm, mg/l, mol/l, mmol/l (refer Range of ion selection) Ion measurement accuracy ±0.5% F.S (Monovalent), ±1% F.S (Divalent) Ion measurement resolution 0.001/0.01/0.1/1 Ion measurement calibration points 2 to 5 points Ion measurement calibration solutions 0.001/0.01/0.1/1/10/100/1000/10000 ppm, mg/L, mol/L Ion measurement methods Direct reading, Known addition, Known subtraction, Sample addition, Sample subtraction
Water Hardness Mode	Water hardness measurement range 0.05-200mmol/L, 0-1120°dH, 0-1404°e, 0-2000°fH, 0-8000mg/L (Ca2+), 0~19999mg/L (CaCO3) Water hardness measurement accuracy ±1% F.S Water hardness measurement resolution 0.001/0.01/0.1/1 Water hardness calibration points 2 to 5 points Water hardness calibration solutions 0.01/0.1/1/10/100 mmol/L
Temperature Mode	Temperature measurement range 0 to 105°, 32 to 212°F Temperature measurement accuracy ± 0.5°C, ± 0.9°F Temperature measurement resolution 0.1°C, 0.1°F Temperature measurement calibration points 1 point
Conductivity Mode
TDS Mode
Salinity Mode
Resistivity Mode
Dissolved Oxygen Mode
Temperature Range	0 to 100°C, 32 to 221°F
Temperature Accuracy
Temperature Resolution
Temperature Calibrations Points
Temperature Compensation Mode	Manual or Automatic
Data Hold Function	Manual or Automatic end point detection
Stability Criteria	Standard or high accuracy
Calibration Due Alarm	1 to 31 days
Reset Function	Yes
Memory	Stores up to 1000 sets data
Output	USB communication interface
Connector	BNC Connector
Display	7 inch TFT LCD display
Power supply	DC 12 V, AC adapter, AC 220 V, 50 Hz
Dimension (L × W × H)	240 × 220 × 80 mm
Weight	1.7 kg

Portable Conductivity Meter

Portable Conductivity Meter LPCM-A10

Conductivity

Conductivity measurement range	0.01 to 20.00, 200.0, 2000 µS/cm, 20.00, 200 mS/cm
Conductivity accuracy	±0.5% F.S
Conductivity calibration points	1 to 3 points
Conductivity calibration solutions	10 µS/cm, 84 µS/cm, 1413 µS/cm, 12.88 mS/cm, 111.8 mS/cm or Custom
Conductivity resolution	0.001, 0.01, 0.1, 1

Temperature

Temperature measuring range	0 105 °C, 32 to 221 °F
Temperature measuring accuracy	± °0.5 C, ± 0.9 °F
Temperature calibration points	1 point
Temperature resolution	0.1 °C, 0.1 °F

Temperature compensation

0 to 100 °C, 32 to 212 ° F, Manual or Automatic

Temperature coefficient

Linear

Reference temperature

25 °C

Stability conditions

Low or high

Cell constant

K= 0.1, 1, 10 or custom

Calibration due

1 to 31 days or off

Memory

100 data sets

Data hold

Manual or auto-end point

Connector

6 pin mini plug

Power Control

Manual or Automatic (10, 20 or 30 minutes after last key pressed)

Power

3 × 1.5 V AA batteries or DC 5 V power adapter

Dimension (L × W × H)

170 × 85 × 30 mm

Weight

300 g

Portable Conductivity Meter LPCM-A11

Conductivity

Conductivity measurement range	0.01 to 20.00, 200.0, 2000 µS/cm, 20.00, 200 mS/cm
Conductivity accuracy	±0.5% F.S
Conductivity calibration points	1 to 5 points
Conductivity calibration solutions	10 µS/cm, 84 µS/cm, 1413 µS/cm, 12.88 mS/cm, 111.8 mS/cm or Custom
Conductivity resolution	0.001, 0.01, 0.1, 1

TDS

TDS range	0 10.00, 100.0, 1000 ppm, 10.00, 100 ppt (Max. 200 ppt)
TDS accuracy	±1 % F.S
TDS factor	0.01 to 1.00 (Default 0.5)
TDS resolution	0.01, 0.1, 1

Temperature

Temperature measuring range	0 105 °C, 32 to 221 °F
Temperature measuring accuracy	± °0.5 C, ± 0.9 °F
Temperature calibration points	1 point
Temperature resolution	0.1 °C, 0.1 °F

Temperature compensation

0 to 100 °C, 32 to 212 ° F, Manual or Automatic

Temperature coefficient

Linear and Pure water compensation

Reference temperature

20 °C or 25 °C

Stability conditions

Low or high

Cell constant

K= 0.1, 1, 10 or custom

Calibration due

1 to 31 days or off

Memory

500 data sets

Data hold

Manual or auto-end point

Connector

6 pin mini plug

Power Control

Manual or Automatic (10, 20 or 30 minutes after last key pressed)

Power

3 × 1.5 V AA batteries or DC 5 V power adapter

Dimension (L × W × H)

170 × 85 × 30 mm

Weight

300 g

Portable Conductivity Meter LPCM-A12

Conductivity

Conductivity measurement range	0.01 to 20.00, 200.0, 2000 µS/cm, 20.00, 200 mS/cm
Conductivity accuracy	±0.5% F.S
Conductivity calibration points	1 to 5 points
Conductivity calibration solutions	10 µS/cm, 84 µS/cm, 1413 µS/cm, 12.88 mS/cm, 111.8 mS/cm or Custom
Conductivity resolution	0.001, 0.01, 0.1, 1

Salinity

Salinity range	0.00 to 80.00 ppt, 0.00 to 42.00 psu
Salinity accuracy	±1% F.S
Salinity measurement modes	Practical Salinity (psu) or Natural Seawater (ppt)
Salinity resolution	0.01, 0.1, 1

Temperature

Temperature measuring range	0 105 °C, 32 to 221 °F
Temperature measuring accuracy	± °0.5 C, ± 0.9 °F
Temperature calibration points	1 point
Temperature resolution	0.1 °C, 0.1 °F

Temperature compensation

0 to 100 °C, 32 to 212 ° F, Manual or Automatic

Temperature coefficient

Linear and Pure water compensation

Reference temperature

20 °C or 25 °C

Stability conditions

Low or high

Cell constant

K= 0.1, 1, 10 or custom

Calibration due

1 to 31 days or off

Memory

500 data sets

Data hold

Manual or auto-end point

Connector

6 pin mini plug

Power Control

Manual or Automatic (10, 20 or 30 minutes after last key pressed)

Power

3 × 1.5 V AA batteries or DC 5 V power adapter

Dimension (L × W × H)

170 × 85 × 30 mm

Weight

300 g

Portable Conductivity Meter LPCM-A13

Conductivity

Conductivity measurement range	0.01 to 20.00, 200.0, 2000 µS/cm, 20.00, 200 mS/cm
Conductivity accuracy	±0.5% F.S
Conductivity calibration points	1 to 5 points
Conductivity calibration solutions	10 µS/cm, 84 µS/cm, 1413 µS/cm, 12.88 mS/cm, 111.8 mS/cm or Custom
Conductivity resolution	0.001, 0.01, 0.1, 1

TDS

TDS range	0 10.00, 100.0, 1000 ppm, 10.00, 100 ppt (Max. 200 ppt)
TDS accuracy	±1 % F.S
TDS factor	0.01 to 1.00 (Default 0.5)
TDS resolution	0.01, 0.1, 1

Salinity

Salinity range	0.00 to 80.00 ppt, 0.00 to 42.00 psu
Salinity accuracy	±1% F.S
Salinity measurement modes	Practical Salinity (psu) or Natural Seawater (ppt)
Salinity resolution	0.01, 0.1, 1

Resistivity

Resistivity range	0.00 to 20 MΩ
Resistivity accuracy	±1% F.S
Resistivity resolution	0.01, 0.1, 1

Temperature

Temperature measuring range	0 105 °C, 32 to 221 °F
Temperature measuring accuracy	± °0.5 C, ± 0.9 °F
Temperature calibration points	1 point
Temperature resolution	0.1 °C, 0.1 °F

Temperature compensation

0 to 100 °C, 32 to 212 ° F, Manual or Automatic

Temperature coefficient

Linear and Pure water compensation

Reference temperature

20 °C or 25 °C

Stability conditions

Low or high

Cell constant

K= 0.1, 1, 10 or custom

Calibration due

1 to 31 days or off

Memory

500 data sets

Data hold

Manual or auto-end point

Connector

6 pin mini plug

Power Control

Manual or Automatic (10, 20 or 30 minutes after last key pressed)

Power

3 × 1.5 V AA batteries or DC 5 V power adapter

Dimension (L × W × H)

170 × 85 × 30 mm

Weight

300 g

Water Activity Meter

Water Activity Meter LWTM-A10

Range	0 to 1.0 aw
Resolution	0 to 1.0 aw
Accuracy	± 0.02 aw
Sensor	Nonconductive humidity sensor
Sampling Time	5 Minutes
Display	6 bit backlight LCD digital display, (3 bit humidity aw, 3 bit temperature display)
Operating Temperature	0 to 50˚C
Condition Humidity	< 95 % RH
Dimension	275 × 230 × 150 mm
Power Supply	2 × 1.5V AAA (UM-4) Battery
Weight	1.5 kg

Water Activity Meter with sensor LWAM-A10

Measuring range	Water activity 0 to 0.980 aw (no condensing )
Temperature range	0 to 50°C
Measurement accuracy	± 0.015 aw
Temperature accuracy	± 0.5°C
Repeatability	≤ 0.015 aw
Temperature coefficient	≤ 0.0005/°C
Measurement points	1
Print method	Measurement of the end of print Real-time print
Display	Large screen LCD
Output mode	Micro printer
Relative Humidity	0 to 95 % RH
Dimension	320 × 120 × 340 mm
Packaging dimension	540 × 420 × 240 mm
Power consumption	≤15 W
Power supply	220 V AC± 10 %
Weight	11 kg

Ion measurement range	Cl range: 5 × 10⁶ - 1 M, 1.8 - 35500 ppm
Ion measurement accuracy	± 0.5 % F.S.
Resolution	0.001, 0.01, 0.1, 1
Calibration points	2 to 5 points
Calibration solutions	0.001, 0.01, 0.1, 1, 10, 100, 1000, 10000 ppm, mol / L, mg / L
mV range	(-1999.9) to 1999.9 mV
mV accuracy	± 0.2 mV
mV resolution	0.1 mV
Temperature measurement range	0 to 105 °C, 32 to 221 °F
Temperature accuracy	± 0.5 °C, ± 0.9 °F
Temperature resolution	0.1°C
Temperature compensation	0 to 100 °C, 32 to 212 °F
Compensation mode	Manual or automatic
Data hold function	Manual or automatic endpoint detection
Reset function	Yes
Stability condition	Low or high
Calibration due	0 to 31 days
Power off	Manual or automatic (10,20,30 minutes)
Memory	Stores up to 500 sets of data
Output	USB communication interface
Connector	BNC
Display	LCD (130 × 110 mm)
Power	DC 5 V, using AC adapter, AC 220 V / 50 Hz
Dimension (L × W × H)	210 × 188 × 60 mm
Weight	1.5 kg

Benchtop Ion meter for Cl, LBIM-A10

pH Meter (Benchtop)

Benchtop pH Meter LBPM-B11

Benchtop pH meter LBPM-A11

Benchtop pH meter LBPM-A20

Benchtop pH meter LBPM-B10

Benchtop Conductivity Meter

Benchtop conductivity meter LBCM-A11

Benchtop Conductivity Meter LBCM-A13

Benchtop Conductivity Meter LBCM-A14

Benchtop Dissolved Oxygen Meter

Benchtop Dissolved oxygen meter LBDO-A10

Benchtop Dissolved oxygen meter LBDO-A11

Benchtop Ion Meter

Benchtop Ion meter for F, LBIM-A11

Benchtop Ion meter for Na, LBIM-A12

Benchtop Ion meter for Ca, LBIM-A13

Benchtop Ion meter for Br, LBIM-A14

Conductivity Tester

Pocket Conductivity tester LPCT-A10

Pocket Conductivity tester LPCT-A11

Pocket Conductivity tester LPCT-A12

ORP Tester

Pocket ORP tester LPOT-A10

Pocket ORP tester LPOT-A11

pH Tester

Pocket pH tester LPPT-A10

Pocket pH tester LPPT-A11

Pocket pH tester LPPT-A12

Pocket pH tester LPPT-A21

Salinity Tester

Pocket Salinity tester LPST-A10

Pocket Salinity tester LPST-A11

TDS Tester

Pocket TDS tester LPTS-A10

Pocket TDS tester LPTS-A11

Pocket TDS tester LPTS-A12

Multi-range pocket TDS tester LPTS-A20

Portable Dissolve Oxygen Meter

Portable Dissolved oxygen meter LPRDO-A10

Portable dissolved oxygen meter LPRDO-A11

Portable Multi Parameter Water Quality Meter

Portable Multi-parameter Water Quality Meter LMPWM-A10

Portable Multi-parameter Water Quality Meter LMPWM-A11

Portable Multi-parameter Water Quality Meter LMPWM-A20

Portable Multi-parameter Water Quality Meter LMPWM-A21

pH Meters (Portable)

Portable pH meter LPRPM-A10

Portable pH/ORP meter LPRPM-A11

Multi Parameter Water Quality Analyzer

Multi parameter water quality analyzer LMWA-A10

Multi parameter water quality analyzer LMWA-A11

Turbidity Meter

Portable turbidity meter LTM-A16

Portable Turbidity Meter LTM-A10

Portable Turbidity Meter LTM-A11

Portable Turbidity Meter LTM-A12

Benchtop Multi-parameter Water Quality Meter

Benchtop Multi-parameter Water Quality Meter LMPWM-A30

Benchtop Multi-parameter Water Quality Meter LMPWM-A31

Benchtop Multi-parameter Water Quality Meter LMPWM-A32

Benchtop Multi-parameter Water Quality Meter LMPWM-A40

Portable Conductivity Meter

Portable Conductivity Meter LPCM-A10

Portable Conductivity Meter LPCM-A11

Portable Conductivity Meter LPCM-A12

Portable Conductivity Meter LPCM-A13

Water Activity Meter

Water Activity Meter LWTM-A10

Water Activity Meter with sensor LWAM-A10