One measurement in the lab, then again on the line, the LabSwift-aw with rechargeable battery offers this possibility. The device is designed for daily use and for samples in the low to medium aw range.
Looking for a water activity instrument with local flexibility? Then the LabSwift-aw is exactly what you need:
due to rechargeable battery, the device can be placed anywhere
suitable for products such as powder or dried fruits with low to medium aW-values (the measuring device does not have a temperature stabilisation of the measuring chamber)
reliable and accurate measurement results as the proven resistive electrolytic measuring technology of Novasina is also implemented here