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Home  /  Water Activity  /  AwEasy

AW meter

The AwEasy is a stand-alone measuring head for measuring water activity. The AwEasy is a Bluetooth mobile device and can be used in conjunction with a smartphone and the free AwEasy app for iOS and Android.

Measurements can also be started and stopped via the AwEasy’s touch button. It has a small display, a light ring as an indicator (“go” or “no go”) and a wireless charger for easy operation. All measurements are saved in the app and a PDF report is automatically created. Benefits:

– The reliable AW Quick mode for quick results (4 – 5 min)
– Easy to use with a Smartphone App for iOS and Android
– Standalone measuring device with light ring and display
– Long battery life with wireless charging


Accuracy at 23 ±5 °C ± 0.008 aw / 0.8 %rh / ±0.1 K
Operating conditions 0…70 °C / 0…100%rh
Storage conditions -10…70 °C / 0…100 %rh
Parameters shown aw, %rh, °C, °F
Status light Yes
Long-term stability < 1 %rh / year (normal conditions)
AW Quick Mode Yes
Display 1.2″ LCD color display
Clock Real time clock provides a time stamp for every measurement
Batterie capacity 500 mAh
Power supply 5 V DC 1.5A 7.5 W max (AC adapter)
Power supply plugs US / EU & UK
USB cable USB-A to USB-C
Firmware update Directly over the App
Protocols (values) Date, time, aw / rh / °C / °F, aw setpoint, serial no., etc.
HygroSoft and HygroLab compatibility. No
Acoustic alarm No
Calculations No psychrometric calculations available
Dimensions Ø 68 x 65 mm
Housing material Aluminum, stainless steel & PC
Weight 600 g
CE compliant CE 2014/30/EU
IP protection rating IP65


– Mobile measuring head with Bluetooth for water activity, relative humidity and temperature
– Free Smartphone App for iOS and Android (for settings, storing data and generating car.
PDF and CSV reports)
– AW Quick function for quick measurement results (4-5 minutes)
– Small display for displaying measured values and a light ring for various indications
– Standalone mode for measuring water activity without using a smartphone
– An included wireless charger with magnets for easy use