Industrial Instruments Battery Powered Psychro-dyne Psychrometer 22014 New
RH accuracy to +/- 1% full scale. Meets Weather Bureau and Navy specifications. This is the least expensive unit of its kind on the market today.
This portable psychrometer indicates wet and dry bulb temperatures for relative humidity and dewpoint determinations. Housed in a high-impact case, the unit consists of a pair of matched thermometers, magnetic fan motor, plastic water bottle, illuminating lamp, psychrometric slide rule, spare parts kit and manual. No whirling of the instrument is required to obtain readings. A miniature fan provides constant air motion over the thermometers. Humidity is determined from the psychrometric tables included with the instrument. Three "D" cell batteries supply about 1000 operations.10-140 F for RH and Dewpoint (-15 to 44C). 0-120F (+/- 0.3F); -15 to 45C (+/-0.2C). 4.5V permanent magnet, DC type. 10" x 4 ΒΌ" x 2.