Portable electronic hygrometer, battery operated (9V), accuracy of indication ± 0,1% at room temperature 20° C.
Range: 8 – 50%, analogic reading.
Supplied with case, rubber coated wire, electrode holder and a surface electrode
Optional: 1,5 or 3 mm four pointers electrode
Dimensions: cm 17 x 11,5 x 5
Weight: approx. 400 g

Calibration check

A calibration resistor plugged into the measuring jack of the Aqua Boy moisture meter in the place of the measuring cable provides a simple and reliable way of checking the scale calibration of the meter.