Belfort Psychron 566 Psychrometer HVAC Humidity Weather Environmental Instrument

Description

Psychron 556 made by Belfort Instrument Company
Serial Number 92-7059
Made in U.S.A.
Belfort Psychron 566 is portable, electrically aspirated psychrometer that measures relative humidity.
Gives accurate measurements of wet and dry bulb temperatures.
Uses 3 D cell batteries. (not included)
Has compartment for water bottle use for wet bulb thermometer wick.
Comes with slide rule/scale to determine relative humidity.
Has on / off switch and variable light for thermometer illumination.
Tested and Working. Minor surface scratches on clear acrylic. See video.
Includes case, slide rule and Instruction Manual.