Zeal Wet and Dry Bulb Hygrometer (Mason’s Type) Description: Zeal Hygrometer Wet and Dry is used to measure the amount of moisture in the environment. Its plastic wall mounted case- two thermometers mounted on a silk screened scale – plastic reservoir and cotton wicks. Specification: Temperature Range: -20°C to 50°C (20°F to 120°F) Humidity : 1 to 97% RH
