Reed Instruments 12-7012 Sling Psychrometer Degree F

Designed for portability (7.5" L x 1" diameter) Slide rule construction quickly converts temperature to relative humidity Built-in water reservoir holds sufficient water for several hours for testing Thin bulb design gives fast thermal response Non-mercury red spirit filled thermometers Thermometers constructed of shock-resistant glass; stems have deep-etched numerals and 1" scale division for easy reading Temperature Range: 25 to 120 degree F or -5 to 50 degree C Accurate to within +/- 5% RH Ideal for measurement of comfort conditions in air conditioned environments, hospital operating rooms, storage areas and laboratories