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| Hygrometers |
| Hair Hygrometers |
Hair hygrometers are used to determine the relative humidity of the air.
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2500.111 |
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Hair hygrometer
Operating range 0 to 100% RH at an accuracy of +/- 3% RH. Graduated in 1% RH.
100mm (4”) diameter case
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2500.045 |
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Thermo-hygrometer
Uses a synthetic hair to register changes in humidity. Operating ranges 0 to 100% RH at an accuracy of +/- 5% RH and 5°C to 55°C. A bi-metallic coil registers the temperature.
100mm (4”) diameter case
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