Pocket TDS tester LPTS-A11

Pocket TDS tester LPTS-A11 is equipped with platinum sensor & 1 point push button calibration system. It comes with midium range for TDS measurement. It is easy to use & with waterproof features design it provides protection against harsh conditions. The standard platinum sensor provides fast and reliable measuring results. Total dissolved solid content present in drinking water, waste water, swimming pool & aquarium water can be measured using pocket TDS meter.

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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
  • Selectable TDS conversion factor for accurate measurements
  • 1 point push button calibration to adjust the display value to known standard
  • Equipped with platinum sensor
  • Midium range of TDS measurement
  • Automatic temperature compensation for accurate measured value over the entire range
  • Auto hold function freezes stable, final readings for better viewing and recording
  • Automatic power off helps to reduce battery power consumption
  • Waterproof features guarantees protection against harsh conditions
  • Replaceable electrode module to reduce the maintenance , replacement cost

Pocket TDS tester is used to measure TDS content in waste water, swimming pool & aquarium, pure water, drinking water. It is also used in educational and other industrial applications for TDS measurement from test samples.

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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.

pH Meter (Benchtop) : Benchtop pH Meter LBPM-B11
Temperature compensation0 to 100°C, 32°F to 212°F Manual or Automatic
Hold functionManual or automatic endpoint detection
Stability criteriaStandard or High-accuracy
pH Meter (Benchtop) : Benchtop pH meter LBPM-A11
pH measurement range0.00 to 14.00 pH
pH accuracy± 0.01 pH
pH resolution0.01 pH
pH Meter (Benchtop) : Benchtop pH meter LBPM-A20
pH measurement range-1.00 to 15.00 pH
pH accuracy± 0.01 pH
pH resolution0.01 pH

Benchtop Conductivity Meter

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 Conductivity Meter : Benchtop conductivity meter LBCM-A11
Conductivity measurement range0 - 20.0, 200.0, 2000 µS / cm, 200.0 mS / cm
Conductivity accuracy± 1 % F.S.
Conductivity resolution0.01, 0.1, 1
Benchtop Conductivity Meter : Benchtop Conductivity Meter LBCM-A13
Conductivity measurement range0.000 μS/cm to 3000mS/cm
Resistivity measurement range5.00 Ω·cm to 100.0 MΩ·cm
TDS measurement range0.000 mg/L to 1000g/L
Benchtop Conductivity Meter : Benchtop Conductivity Meter LBCM-A14
Conductivity Mode0.01-20.0, 200.0, 2000 µS/cm, 20.00, 200.0 mS/cm, ±1% F.S., 0.001, 0.01, 0.1, 1, 1 to 3 points, 10 µS/cm , 84 µS/cm, 1413 µS/cm, 12.88 mS/cm, 111.8 mS/cm
TDS Mode0 to 10.00, 100.0, 1000 ppm, 10.00, 100 ppt (Max. 200 ppt), ± 1 % F.S., 0.01 to 1.00 (default 0.5), 3 points
Temperature Mode0 to 105°C, 32 to 221°F, ±1°C, 0.1°C, 0.1°F, 1 point, Manual or Automatic, 0 to 100°C , 32 to 212°F, 0.0 to 10.0 % per °C

Benchtop Dissolved Oxygen Meter

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 Dissolved Oxygen Meter : Benchtop Dissolved oxygen meter LBDO-A10
Dissolved oxygen range0.0 to 20.0 mg / L (or ppm)
Dissolved oxygen accuracy± 0.5 mg / L
Resolution0.1 mg / L
Benchtop Dissolved Oxygen Meter : Benchtop Dissolved oxygen meter LBDO-A11
Dissolved oxygen range0.0 to 20.0 mg / L (or ppm)
Dissolved oxygen accuracy± 0.2 mg / L
Resolution0.01 mg / L

Benchtop Ion Meter

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 Ion Meter : Benchtop Ion meter for Cl, LBIM-A10
Ion measurement rangeCl range: 5 × 106 - 1 M, 1.8 - 35500 ppm
Ion measurement accuracy± 0.5 % F.S.
Resolution0.001, 0.01, 0.1, 1
Benchtop Ion Meter : Benchtop Ion meter for F, LBIM-A11
Ion measurement rangeF range: 1 × 106M – saturation, 0.02 ppm to saturation
Ion measurement accuracy± 0.5 % F.S.
Resolution0.001, 0.01, 0.1, 1
Benchtop Ion Meter : Benchtop Ion meter for Na, LBIM-A12
Ion measurement rangeNa range: 1 × 105 - 1 M, 0.1 - 23000 ppm
Ion measurement accuracy± 0.5 % F.S.
Resolution0.001, 0.01, 0.1, 1

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.

Conductivity Tester : Pocket Conductivity tester LPCT-A10
Conductivity measurement range1.0 to 199.9 µS/cm
Type of conductivityLow range conductivity
Conductivity accuracy± 1 % F.S.
Conductivity Tester : Pocket Conductivity tester LPCT-A11
Conductivity measurement range10 to 1999 µS/cm
Type of conductivityMid-range conductivity
Conductivity accuracy± 1 % F.S.
Conductivity Tester : Pocket Conductivity tester LPCT-A12
Conductivity measurement range0.1 to 19.99 mS/cm
Type of conductivityHigh range conductivity
Conductivity accuracy± 1 % F.S.

ORP 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.

ORP Tester : Pocket ORP tester LPOT-A10
Sensor typePlatinum sensor
Connector6 pin
ORP measurement range(-999) to 999 mV
ORP Tester : Pocket ORP tester LPOT-A11
Sensor type
ConnectorBNC
ORP measurement range(-999) to 999 mV

pH 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.

pH Tester : Pocket pH tester LPPT-A10
pH measurement range0.0 - 14.00 pH
Shape of electrodeRound glass pH electrode
pH measurement accuracy± 0.1 pH
pH Tester : Pocket pH tester LPPT-A11
pH measurement range0.0 - 14.00 pH
Shape of electrodeFlat pH electrode
pH measurement accuracy± 0.1 pH
pH Tester : Pocket pH tester LPPT-A12
pH measurement range0.0 - 14.00 pH
Shape of electrodeLong distance planar pH electrode
pH measurement accuracy± 0.1 pH

Salinity 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.

Salinity Tester : Pocket Salinity tester LPST-A10
Salinity measurement range0.00 to 10.00 ppt
Salinity accuracy± 1 % F.S
Conductivity range0 - 20.00, 200.0, 2000 µS/cm, 20.00 mS/cm
Salinity Tester : Pocket Salinity tester LPST-A11
Salinity measurement range0.00 to 80.00 ppt
Salinity accuracy± 1 % F.S
Conductivity range0 - 200.0 µS/cm, 100 - 2000 µS/cm, 20.00 mS/cm

TDS 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.

TDS Tester : Pocket TDS tester LPTS-A10
TDS range0.5 - 100.0 ppm
TDS accuracy± 1 % F.S.
TDS factor0.4 to 1.0 (default 0.5)
TDS Tester : Pocket TDS tester LPTS-A12
TDS range0.05 - 10.00 ppt
TDS accuracy± 1 % F.S.
TDS factor0.4 to 1.0 (default 0.5)
TDS Tester : Multi-range pocket TDS tester LPTS-A20
TDS range0 - 20 ppt
TDS accuracy± 1 % F.S.
TDS factor0.1 to 1.0 (default 0.5)

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 Dissolve Oxygen Meter : Portable Dissolved oxygen meter LPRDO-A10
Dissolved oxygen range0.0 to 20.0 mg / L (or ppm)
Dissolved oxygen accuracy± 0.5 mg / L
Resolution0.1 mg / L
Portable Dissolve Oxygen Meter : Portable dissolved oxygen meter LPRDO-A11
Dissolved oxygen range0.0 - 20.0 mg / L (or ppm)
Dissolved oxygen accuracy± 0.2 mg / L
Resolution0.01 mg / L

Portable Multi Parameter Water Quality 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 Multi Parameter Water Quality Meter : Portable Multi-parameter Water Quality Meter LMPWM-A20
pH mode(-2.000) to 20.000 pH, ± 0.002 pH, 1 - 5 points, USA, NIST, DIN or user defined
ORP measurement-1999.9 to 1999.9 mV, ±0.2 mV, 1 point, mV & relative mV
Conductivity measurement0 - 20.00, 200.0, 2000 µS / cm, 20.00, 200.2 mS / cm, ± 0.5 % F.S., 1 - 5 points, 10 µS / cm, 84 µS / cm, 1413 µS / cm, 12.88mS / cm, 111.8mS / cm, 0.0 to 10.0 % / °C, Linear or pre water, K = 0.1, 1, 10 or user-defined, 20 °C or 25 °C
Portable Multi Parameter Water Quality Meter : Portable Multi-parameter Water Quality Meter LMPWM-A21
pH mode(-2.000) to 20.000 pH, ± 0.002 pH, 1 - 5 points, USA, NIST, DIN or user defined
ORP measurement-1999.9 to 1999.9 mV, ±0.2 mV, 1 point, mV & relative mV
Dissolved oxygen0.00 to 20.00 mg/L, ± 0.2 mg/L, 1 - 2 points, 60.0 to 112.5 kPa, 450 - 850 mmHg, 0 to 50 g/L, 0.0 to 200.0 %, ± 2.0 %
Portable Multi Parameter Water Quality Meter : Portable Multi-parameter Water Quality Meter LMPWM-A10
pH mode(-2.000) to 20.000 pH, ± 0.002 pH, 1 - 5 points, USA, NIST, DIN or user defined
ORP measurement-1999.9 to 1999.9 mV, ±0.2 mV, 1 point, mV & relative mV
Ion measurement0 to 19999 ppm, mg/L, mol/L, ± 0.5 % F.S. (monovalent), ± 1 % F.S. (divalent), 2 - 5 points, 0.001, 0.01, 0.1, 1, 10, 100, 1000, 10000 ppm, mol/L, mg/L

pH Meters (Portable)

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.

pH Meters (Portable) : Portable pH meter LPRPM-A10
pH range(-2.00) to 16.00 pH
pH accuracy± 0.01 pH
pH resolution0.01 pH
pH Meters (Portable) : Portable pH/ORP meter LPRPM-A11
pH range(-2.00) to 20.00 pH
pH accuracy± 0.002 pH
pH resolution0.1, 0.01, 0.001 pH

Multi Parameter Water Quality Analyzer

Multi Parameter Water Quality Analyzer : Multi parameter water quality analyzer LMWA-A10
COD2 to 10000 mg/ L, COD < 50 mg/ L, ≤ ± 10 % and COD > 50 mg/ L, ≤ ± 5 %, 0.1 mg/ L, 20 minutes, ≤ ± 5 %, , Colorimetric tubes and Cuvette, 165 ± 0.5°C, 10 min, 3 pcs, (Cl) < 1000 mg/ L No effect
Ammonia nitrogen0.02 to 60 mg/ L, ≤ ± 10 %, 0.01 mg/ L, 10 to 15 minutes, ≤ ± 5 %, , Colorimetric tubes and Cuvette, 3 pcs
Total phosphorous0.002 to 20 mg/ L, ≤ ± 5 %, 0.001 mg/ L, 35 to 50 minutes, ≤ ± 5 %, , Colorimetric tubes and Cuvette, 120 ± 0.5°C, 30 min, 3 pcs
Multi Parameter Water Quality Analyzer : Multi parameter water quality analyzer LMWA-A11
COD5 to 5000 mg/ L, COD < 50 mg/ L, ≤ ± 10 % and COD > 50 mg/ L, ≤ ± 5 %, 0.1 mg/ L, 20 minutes, ≤ ± 5 %, 12 pcs, Colorimetric tubes and Cuvette, 165 ± 0.5°C, 10 min, 3 pcs, (Cl) < 1000 mg/ L No effect
Ammonia nitrogen0.02 to 30 mg/ L, ≤ ± 10 %, 0.01 mg/ L, 10 to 15 minutes, ≤ ± 5 %, 20 pcs, Colorimetric tubes and Cuvette, 3 pcs
Total phosphorous0.002 to 10 mg/ L, ≤ ± 5 %, 0.001 mg/ L, 35 to 50 minutes, ≤ ± 5 %, 12 pcs, Colorimetric tubes and Cuvette, 120 ± 0.5°C, 30 min, 3 pcs

Turbidity Meter

Turbidity Meter : Portable turbidity meter LTM-A16
Light sourceLED/860 nm (Wavelength)
Readings displayLCD
Unit switchesNTU, FTU, EBC, ASBC
Turbidity Meter : Portable Turbidity Meter LTM-A10
Measuring range (NTU)0 to 200
Minimum readout value (NTU)0.1
Calibration pointNil
Turbidity Meter : Portable Turbidity Meter LTM-A11
Measuring range (NTU)0 to 100, 0 to 200
Minimum readout value (NTU)0.01, 0.1
Calibration point4

Benchtop Multi-parameter Water Quality Meter

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
Benchtop Multi-parameter Water Quality Meter : 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
Benchtop Multi-parameter Water Quality Meter : 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

Portable Conductivity Meter

Portable Conductivity Meter : Portable Conductivity Meter LPCM-A10
Conductivity0.01 to 20.00, 200.0, 2000 µS/cm, 20.00, 200 mS/cm, ±0.5% F.S, 1 to 3 points, 10 µS/cm, 84 µS/cm, 1413 µS/cm, 12.88 mS/cm, 111.8 mS/cm or Custom, 0.001, 0.01, 0.1, 1
Temperature0 105 °C, 32 to 221 °F, ± °0.5 C, ± 0.9 °F, 1 point, 0.1 °C, 0.1 °F
Temperature compensation0 to 100 °C, 32 to 212 ° F, Manual or Automatic
Portable Conductivity Meter : Portable Conductivity Meter LPCM-A11
Conductivity0.01 to 20.00, 200.0, 2000 µS/cm, 20.00, 200 mS/cm, ±0.5% F.S, 1 to 5 points, 10 µS/cm, 84 µS/cm, 1413 µS/cm, 12.88 mS/cm, 111.8 mS/cm or Custom, 0.001, 0.01, 0.1, 1
TDS0 10.00, 100.0, 1000 ppm, 10.00, 100 ppt (Max. 200 ppt), ±1 % F.S, 0.01 to 1.00 (Default 0.5), 0.01, 0.1, 1
Temperature0 105 °C, 32 to 221 °F, ± °0.5 C, ± 0.9 °F, 1 point, 0.1 °C, 0.1 °F
Portable Conductivity Meter : Portable Conductivity Meter LPCM-A12
Conductivity0.01 to 20.00, 200.0, 2000 µS/cm, 20.00, 200 mS/cm, ±0.5% F.S, 1 to 5 points, 10 µS/cm, 84 µS/cm, 1413 µS/cm, 12.88 mS/cm, 111.8 mS/cm or Custom, 0.001, 0.01, 0.1, 1
Salinity0.00 to 80.00 ppt, 0.00 to 42.00 psu, ±1% F.S, Practical Salinity (psu) or Natural Seawater (ppt), 0.01, 0.1, 1
Temperature0 105 °C, 32 to 221 °F, ± °0.5 C, ± 0.9 °F, 1 point, 0.1 °C, 0.1 °F

Water Activity Meter

Water Activity Meter : Water Activity Meter LWTM-A10
Range0 to 1.0 aw
Resolution0 to 1.0 aw
Accuracy± 0.02 aw
Water Activity Meter : Water Activity Meter with sensor LWAM-A10
Measuring rangeWater activity 0 to 0.980 aw (no condensing )
Temperature range0 to 50°C
Measurement accuracy± 0.015 aw