The Mason's Wet Dry Bulb Hygrometer / Thermometer is used to measure the amount of moisture in the environment. The hygrometer measures the wet and dry temperature over the range of -10 to +50°C enabling the relative humidity to be calculated (1 to 97% RH). The unit incorporates a small water reservoir. The mason's hygrometer is supplied with Hygrometric tables for calculating the % RH (relative humidity).

Functions:

• Wall mounted wet & dry thermometer
• Mercury Free
• Integrated small water reservoir

Specifications:

• Temperature range -10°C to +50°C
• Humidity range: 1 to 97% RH
• Dimensions: 40 x 80 x 310mm