Water Activity Meter
A versatile kit for quick or long-term water activity testing in food, pharmaceutical, and cosmetic applications.
Features data logging with included software, customizable calibration options, and a durable carrying case for easy transport and storage.
Versatile
- Run a quick test or a long (stability) test using the same unit
- Log data in the meter and transfer to a computer
- Set up meter and manage logged data through the included software (Operating Systems Windows 10 & 11)
- Calibrate at different levels for different samples, save the calibration factors to your computer, and then load the factor to the sensor for whichever sample you are testing
Convenient & Easy to use
- Detachable sensor design allows for multiple samples to be set-up while test underway
- Â Portable - use right on production line
Precise with wide applications
- Capacitive Sensor is capable of measuring solids, powders and liquids
- Electrical Resistance Sensor for samples containing high alcohol content is available and sold separately
- Calibrate meter with optional calibration salts
- Allows for 1- to 3-point calibration
Transfer and manage logged data with the included Software.

Specifications
Sensor Type:Â Capacitive Humidity Sensor
Measurement Modes:Â Quick and Stability modes
Measurement Range: 0.001 o 1.000 aw/ 0 to 80°C
Resolution: 0.01 aw/ 0.1°C
Water Activity Accuracy:Â 0.01 aw
Data Logging:Â 99 sets of data in total
Logging Interval:Â 1 to 3,600 seconds
Power: Four AAA alkaline batteries (not included). USB power when connected to a PC for setup and data transfer.
Meter Dimensions:Â 5.1 x 3.6 x 1.85 in (13.0 x 9.2 x 4.7 cm)
Weight:Â 0.35 lb (160 g)
Warranty:Â 1-Year
Package includes: Water Activity Meter, Sensor Assembly with Sample Cup, 5 extra sample cups, 5 replacement sensor filters, USB Micro B to USB type A cord, and hard carrying case.
Replacement Parts and Accessories (click links below):
Replacement Sensor Filters, PK/10
