Lufft Hygrometers  and  Thermometers

In Germany, Lufft has been making fine meteorological instruments for over 100 years. Abbeon has been offering their high quality instruments here in the U.S. for over forty years. The Lufft instruments shown here have white faceplates with black lettering. (Red lettering is added for Celsius scales when they are included). The humidity is sensed by a Durotherm element that is a synthetic hygroscopic fiber that expands and contracts in response to the moisture in the air. The thermometers are actuated by bimetallic springs which transmit changes in temperature through expansion and contraction. Accuracy for these instruments are ±3% for the relative humidity and ±2°F for the temperature.

Hygrometer/Thermometer #506434
Case:	Black aluminum with flange for mounting and chrome bezel
Size:	6" overall, 5" dial
Range:	0 to 100% RH 10 to 170°F -12 to 75°C
Divisions:	2% RH 5°F 2°C
Price:	$148.00    Delivered Price
Test certification included

Hygrometer/Thermometer #506333
Case:	Black aluminum without flange and with chrome bezel (keyhole in back for hanging)
Size:	51/4" overall, 5" dial
Range:	0 to 100% RH 10 to 170°F -12 to 75°C
Divisions:	2% RH 5°F 2°C
Price:	$141.00    Delivered Price
Test certification included