Shandong Fengtu IOT Technology Co., Ltd
Sales Manager:Ms. Emily Wang
Cel,Whatsapp,Wechat:+86 15898932201
Email:info@fengtutec.com
Add:No. 155 Optoelectronic Industry Accelerator, Gaoxin District, Weifang, Shandong, China

Sales Manager:Ms. Emily Wang
Cel,Whatsapp,Wechat:+86 15898932201
Email:info@fengtutec.com
Add:No. 155 Optoelectronic Industry Accelerator, Gaoxin District, Weifang, Shandong, China

Model:DHM2
Brand:fengtu
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.
The Atmospheric Visibility Sensor launched by Fengtu has extensive measurement capabilities. It can select different measurement distances of 10 kilometers, 50 kilometers or 80 kilometers according to user requirements, and also provides customized services.This instrument adopts infrared LED light...
Visibility, defined as the maximum horizontal distance at which a normal-sighted person can distinguish a target from its background, is a critical parameter in meteorology, transportation, environmental protection, and national defense.Early visibility measurements mainly relied on visual observati...
In the current era when the concepts of ecotourism and healthy living are widely spread, natural oxygen bars have become popular leisure destinations for people. As a key facility for measuring and maintaining the ecological quality of these areas, the Environmental Monitoring Station demonstrates t...
In our daily life, we often encounter severe weather such as haze and patchy fog. During these times, the atmospheric visibility is extremely low, just like a veil covering our eyes. It's a very unpleasant feeling, and such conditions are also prone to causing traffic accidents. So, is there a w...