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| Hygrometers |
| Hygrometers |
Hygrometers are used to determine the relative humidity of the air.
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2500.001 |
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Whirling hygrometer -5/50ºC
A whirling hygrometer is a very accurate way of measuring the relative humidity of the air to an accuracy of +/- 2% RH. Folding handle. Supplied with chart and wallet case. An optional slide rule calculator is also available. Mercury or spirit thermometers are available.
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2500.002 |
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Mason’s hygrometer
Plastic-cased wet and dry bulb hygrometer suitable for indoor or outdoor use with mercury filling. Uses a simple chart calculator for readings. Accuracy is to within 5% RH.
330mm (13”) x 100mm (4”) x 50mm (2”)
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2500.003 |
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Mason’s hygrometer
Plastic-cased wet and dry bulb hygrometer suitable for indoor or outdoor use with red spirit filling. Uses a simple chart calculator for readings. Accuracy is to within 5% RH.
310mm (12”) x 75mm (3”) x 40mm (1 1/2")
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2500.004 |
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Kew-pattern hygrometer
This is a more accurate version of the standard Mason's hygrometer using ordinary-type screen thermometers. Accuracy is to +/- 1.4% RH
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