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
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
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
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
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
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

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 measurement range 0.0 - 14.00 pH
Shape of electrode Round glass pH electrode
pH measurement accuracy ± 0.1 pH
Calibration point 2 points
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
pH measurement range 0.0 - 14.00 pH
Shape of electrode Flat pH electrode
pH measurement accuracy ± 0.1 pH
Calibration point 2 points

Dissolved Oxygen 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.

Dissolved oxygen range 0.0 to 20.0 mg/L (or ppm)
Dissolved oxygen accuracy ± 0.5 mg/L
% of saturation of oxygen 0.0 to 200.0%
Sensor type Polarographic dissolved oxygen probe
Dissolved oxygen range 0.0 to 20.0 mg / L (or ppm)
Dissolved oxygen Calibration points 1 - 2 points
Dissolved oxygen accuracy ± 0.5 mg / L
Dissolved oxygen resolution 0.1 mg / L