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Hygrometer, relative humidity indicator Designed for use in the United States Navy vessels (1970's), this indicator measures relative humidity using a human hair sensing element. The indicator is contained in an aluminum case designed to permit free air movement. This is the original Belfort Instruments model 5-587 that listed for $47.00 each. These sensor indicators are working instruments, brand new, never used, in the original 1970's box. Accuracy: +/- 3% between 20% and 50% R.H. +/- 5% over 50% Dimensions: 6.25"L x 2.0"W x 1"D Control: Calibration adjustment screw (please look at our rules and privacy policy) |
dmoon@modularparts.com (Darrell Moon) for more information. This email will be sent to Darrell Moon' actual email address.
