Test certificate included!
A beautiful Lufft instrument with easy-to-read face. These units have been giving accurate readings for many years. Made in Germany by Lufft and accurate to RH: ±3% RH (30 … 100%), + 1 scale division and Temp: ±1°C (0 – 40° C) + 1 scale graduation.
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 temperature is indicated by the actuation of a bimetallic spring which transmits changes by expansion and contraction.
The calibration and certification are done under ISO-9001 control.
Specifications and additional product information
Technical Specifications | |
Case | Gleaming brass with flange |
Size | 6″ overall, 5″ dial |
Range | 0 to 100% RH |
10°F to 170°F | |
Accuracy | -8°C to 75°C |
Temp: ±1°C (0 – 40° C) + 1 scale graduation. RH: ±3% RH (30 … 100%), + 1 scale division | |
Divisions | 5°F / 2°C |
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