Model AB-167 Hygrometer is certified to be accurate within ±3% + 1 scale division (20-80%).
The dial indicates the complete range of 0 to 100% relative humidity. Each instrument has been tested for accuracy at 3 points on the scale for high, medium and low readings. The calibration and factory certification are done under ISO-9001 control.
Solid brass case
Gleaming finish
Overall diameter 6"
Dial 5"
Case drilled for wall mounting
Black dial with white numbers and letters
Manufactured and tested under ISO-9001
Plastic lens available upon request
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