Water Activity Meter LWTM-A10

Water Activity Meter LWTM-A10 is a real portable water activity meter, with a weight of only 1.5 kg, lighter than a mobile phone. It has 0 to 1.0 aw range and offers operating temperature range from 0 to 50˚C. Designed with 6 bit backlight LCD digital display and integrated nonconductive humidity sensor. It measures fast activity of water within 5 minutes and under-voltage alarm indication function. It is easy to measure water activity anytime and anywhere also used in free water in the state of food balance.

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
  • Designed with Sensors and readings are integrated
  • The measurements are fast of water activity in 5 minutes
  • Easy reading, water activity and temperature of the samples displayed together
  • Automatic and manual shutdown function
  • Equipped with Under-voltage alarm indication function
  • Use USB data output to connect with PC
  • Provide Bluetooth data output choice
Accessories no.Name
1F probe
2nF probe   
3RS232C+software/BLUETOOTH  

Water Activity Meter is used to measure the dryness enduring ability of the microorganisms also used in measuring the water activity of food and selecting reasonable packing and storage.

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

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.

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
pH measurement range 0.00 to 14.00 pH
pH accuracy ± 0.01 pH
pH resolution 0.01 pH
Calibration points 2 points
pH measurement range -1.00 to 15.00 pH
pH accuracy ± 0.01 pH
pH resolution 0.01 pH
Calibration points 1-3 points
Conductivity measurement range 0.01 to 20.00, 200.0, 2000 µS/ cm, 20.00, 200.0 mS/ cm
Conductivity calibration points 1 to 3 points
Conductivity accuracy ±1 % F.S.
Conductivity resolution 0.001/ 0.01/ 0.1/ 1

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.

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 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 %
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
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
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

Portable Water Hardness Meters

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.

Water hardness range 0.05 mmol / L - 0.2 mol / L<br/> (CaCO<sub>3</sub>) 0 - 19999 mg / L, (CaO) 0 - 11220 mg / L, (boiler) 0 - 400 mmol / L, (Ca) 0 - 8020 mg / L<br/> (German degree) 0 - 1122 °dH, (English degree) 0 - 1404 °e, (French degree) 0 - 2000 °f
Accuracy ± 1 % F.S.
Calibration points 2 to 5 points
Calibration solution 0.001, 0.01, 0.1 mmol / L, 0.001, 0.01, 0.1 mol / L