Water Activity Meter with sensor LWAM-A10

Water Activity Meter with Sensor LWAM-A10 is a single-point measurement unit with 0 to 0.980 aw of water activity (no condensing) measuring range and ± 0.015 aw measurement accuracy. The temperature range is from 0 to 50°C and offers ± 0.5°C measurement accuracy. Designed with high brightness LCD display and high precision sensor. To measure water activity of food items, and to study, the reaction of food stability and the possibility of microbial proliferation, and changes in food quality to measure the ability of microorganisms to endure dryness.

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
  • Designed with single-point measurement, adopts high precision sensor
  • Offers quick calibration and measurement
  • Adopts high brightness LCD display
  • Reasonable structure design provides easier operation
  • It ensures stable and reliable performance
  • Offers long life, high accuracy, solid, liquid, powder are measurable
  • Equipped with printer, convenient to record data

Water Activity Meter with sensor is used to reflect the amount of free water in food under balance state, the stability of food and the possibility of microbial reproduction in food, changes in chemical, enzyme and physical state that can cause the change of food quality. Also used to limit preservatives, to determine the food, grain, fruit and vegetable shelf life.

Range 0 to 1.0 aw
Resolution 0 to 1.0 aw
Accuracy ± 0.02 aw
Sensor Nonconductive humidity sensor
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
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 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

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

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.

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)
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
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

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.

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
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
Residual chlorine/total chlorine
Range 0.00 to 5.00 mg/L
Accuracy 0.001 mg/L 0.001 ABS
Repeatability Lower detection limit ≤0.02 mg/L
Chlorine dioxide
Range 0.00 to 10.00 mg/L
Resolution 0.001 mg/L 0.001 ABS
Accuracy ≤2 mg/L: ±0.10 mg/L ˃2 mg/L: ±5 %
Lower detection limit ≤0.04 mg/L
Light source LED
Wavelength of light 515 nm