The LABART Sling Psychrometer Whirling Hygrometer Thermometer Wood Body (Type centigrade) offers the highest precision when measuring relative humidity with its dual wet and dry bulb Red Spirit-filled thermometers. A water reservoir connects the wet bulb to a cotton sleeve, and the humidity is determined by the rate of evaporation on the wet-bulb thermometer. By referencing the provided chart, you can accurately calculate the relative humidity.

FEATURE

• Measurement: percentage humidity in a room
• Range: temperature -5 to 50°C; %RH 1-99%RH
• Accuracy: %RH ±2%
• Imported from USA.

SPECIFICATION