Two undivided thermometers are mounted on a printed plastic scale. Between the thermometers is a unique slide with pointer, which allows relative humidity to be easily read. A simple unit designed for general purpose use. The scale is housed in a plastic case, which also holds a reservoir with anti-frost device.

Thermometers: scale length 140 mm x 1°C, range -5 to +50°C

Accuracy: ±5% to 20% R.H.

Dimensions: 340x82x45 mm

Weight approx.: 225 g.