 | | | | | | |  | | H3 Masons hygrometer
| | | | Masons wet and dry bulb hygrometer for measuring relative humidity. Plastic case complete with wick, reservoir and % RH tables. |
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| | | | | | |  | | Kew Pattern Hygrometer
| | | | The Kew Pattern Hygrometer is a more accurate version of the standard Mason's hygrometer using ordinary-type screen thermometers. |
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| | | | | | |  | | H4 Whirling hygrometer
| | | | A whirling hygrometer is a very accurate way of measuring the relative humidity of the air to an accuracy of +/- 2% RH. Ally frame and folding handle. Supplied with chart and wallet case. |
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| | | | | | |  | | Humidity Slide Rule
| | | | Simple humidity conversion table via a slide rule. Ideal for use with either a Whirling Hygrometer or Instrument Screen with masons hygrometer. |
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| | | | | | |  | | H7 Hair hygrometer
| | | | Attractive and robust this metal cased hair hygrometer can be wall mounted inside or outside. |
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| | | | | | |  | | K5 Synthetic Hair Hygrometer
| | | | The synthertic hair hygrometer is for that very reason a precision instrument. This instrument has 2 3/4" dial with brass bezel. |
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| | | | | | |  | | H8 Digital Thermo-Hygrometer
| | | | A compact digital Thermo-Hygromter for your wall or desk. User selectable units with min/max functions for both temperature and humidity. |
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| | | | | | |  | | K9 Digital Thermo-Hygrometer
| | | | A stylish thermo-hygrometer which houses a permanent indication of daily highest and lowest with an auto reset. The system includes an additional min/max memory with manual rest. |
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