Shandong Fengtu IOT Technology Co., Ltd
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Email：info@fengtutec.com
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Wet Bulb Dry Bulb Thermometer
Model：DHM2
Brand：fengtu
1.Working Principle of Wet Bulb Dry Bulb ThermometerFully wind up the spring of the Wet Bulb Dry Bulb Thermometer's ventilator and rotate the fan to provide a certain speed of air flow through two side-by-side thermometers, one of which has its mercury bulb wrapped with wet absorbent gauze.Due t
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1.Working Principle of Wet Bulb Dry Bulb Thermometer
Fully wind up the spring of the Wet Bulb Dry Bulb Thermometer's ventilator and rotate the fan to provide a certain speed of air flow through two side-by-side thermometers, one of which has its mercury bulb wrapped with wet absorbent gauze.
Due to the evaporation of water on the gauze, the temperature of the thermometer drops. By comparing the temperature difference between the two thermometers (wet and not wet), the relative humidity, absolute humidity, etc. of the air can be calculated by looking up the table.
2. Main Applications of Wet Bulb Dry Bulb Thermometer
Measure the temperature and relative humidity of the air. Its structural characteristics are more suitable for measuring the temperature and relative humidity of the air in the field without power supply.
3. Wet Bulb Dry Bulb Thermometer Technical Parameters
| Operating temperature | -10℃～45℃ |
| Humidity range | 10%RH～100%RH |
| Scale range | -36℃～+46℃and-26℃～+51℃ |
| Minimum division value | 0.2℃ |
| Ventilation speed | ≥2.5m/s |
| Net weight of instrument | 1kg |
| Dimensions | 92.5mm×92.5mm×415mm |
4. Composition of Wet Bulb Dry Bulb Thermometer
It consists of two identical mercury thermometers and a ventilator, with a simple structure and strong workmanship.
Address:https://www.fengtusensor.com/Wind-Speed-and-Direction/Wet-Bulb-Dry-Bulb-Thermometer.html
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