Hvac Wet Bulb Thermometer

Despite what you might think at first wet bulb temperature has nothing to do with light bulbs.

Hvac wet bulb thermometer.

In fact wet bulb temperature is the temperature a damp thermometer bulb will read when exposed to a 900 fpm feet per minute air stream. It is instead the temperature read by a special thermometer that is wrapped in water soaked fabric and ventilated. The wet bulb temperature is the lowest temperature that can be reached under current ambient conditions by the evaporation of water only. The atwb1 k type wet bulb thermocouple can clip to hvac r equipment for convenient placement and hands free testing.

Kung fu maintenance demonstrates how to test indoor wet bulb temperature idwb measure for air conditioners. However both of them are different in terms of how it works. Wet bulb temperature is a measurement taken by a thermometer that has a bulb covered by a water soaked cloth. The wet bulb temperature of air is also measured by the ordinary thermometer but the only difference is that the bulb of the thermometer is covered by the wet cloth.

Amazon s choice for wet bulb thermometer hvac preciva digital psychrometer thermo hygrometer lcd mini temperature and humidity meter with dew point and wet bulb temperature hygrometer for industry agriculture meteorology 9v battery included. The psychrometer does measure relative humidity by utilizing two thermometers called dry bulb and wet bulb. Analog sling and digital. This thermometer is part of a device called a psychrometer.

When air passes over the cloth to evaporate the water the evaporative cooling shows the wet bulb temperature on the thermometer. A psychrometer is essentially the type of hygrometer. A wet bulb thermometer indicates a temperature close to the true thermodynamic wet bulb temperature. Clip to return vents for indoor wet bulb temperature great for target superheat calculations.

If you have ever seen someone using a sling psychrometer that is exactly what is happening hopefully you have a wrist that is well calibrated to 900 fpm. Temperature of the ordinary air measured by the thermometer when it is covered by wet cloth or wick is called as the wet bulb temperature commonly referred to as wbt. Wet the durable sock and clip to evaporator filters for indoor wet bulb great for finding target evaporator exit temperature. There are three types of psychrometer.