This wall-mount analog hygrometer is easy to use and provides accurate results.
It utilizes the standard wet-bulb and dry-bulb comparison to give humidity measurements.
- Mahogany-finished, molded case with metal backing
- Mercury filled wet and dry bulb thermometers
- Includes 2 wicks and humidity table
- Range 30°F to 120°F
- Dimensions: 8.88" x 4.25"
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One of the few remaining mercury based thermometers, you get two, and a fail safe method of measuring humidity. I strongly recommend it, before they run out.