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COFFEE TECH Water Activity Meter

The Water Activity, mainly reflects the amount of free water in the state of food balance, the stability of food and the possibility of microbial reproduction, and the chemical, enzyme and physical changes that can cause the change of food quality. It is often used to measure the dryness enduring ability of the microorganisims. By measuring the water activity of food and selecting reasonable packing and storage methods, the use of preservatives can be reduced and the shelf life of food, grain and fruits and vegetables can be judged.

The tester can be used to measure the water activity of foods. No matter when and where you need to measure water activity, water activity meter is your unique choice. This is a real portable water activity meter, with a weight of only 100 grams, lighter than a mobile phone, and a precision of 0.02 aw, easy to measure water activity anytime and anywhere.


  • Sensors and reading are integrated.
  • Quick test, measuring water activity in 5 minutes.
  • Easy to read, water activity and temperature of samples are displayed together.
  • With automatic power off, manual power off function and undervoltage warning indication.


Available on back-order

COFFEE TECH Water Activity Meter

SKU CT-WAM Categories ,

Technical Parameters

  • Display: 6-digit backlit LCD digital display, 3-digit humidity aw, 3-digit temperature display
  • Range: 0 ~ 1.0 aw
  • Resolution: ± 0.01 aw
  • Accuracy: ± 0.02 aw
  • Sensor: Non conductive humidity sensor
  • Sampling Time: 5 Minutes
  • Operation Condition:
    • Temp: 0 ~ 50℃ ( 32 ~ 122℉)
    • Humidity: <95%RH
  • Power Supply: 2 X 1.5V AAA Um-4 Battery
  • Size: 148 X 65 X 65 mm
Weight 1.5 kg