Using dew point sensors to measure water activity is easy, fast & accurate. But volatile substances can interfere with good readings. The 4TEV solves this problem by offering both dew point & capacitance water activity sensors on one instrument.
Videos:
https://youtu.be/7C_QjotZRgo
Specifications
Capacitance: 0.0aw to 1.000aw
moisture content, temperature, time, date,
operator and sensor used)
no parity, 1 stop bit, cable included
water activity, Part 11 Compliance