1、 Product Overview

Cold mirror dew point meter is a humidity measurement device based on the dew point definition principle, which is an instrument that directly measures dew point. And it is internationally recognized as a testing and evaluation standard for other humidity dew point measuring instruments. The photoelectric dew point meter has the characteristics of high accuracy, good long-term stability, long service life, and high repeatability. The mirror surface of this dew point meter has been gold-plated, and the photoelectric measurement chamber is made of corrosion-resistant materials with excellent high and low temperature performance, ensuring accurate measurement data and harsh application environments.

2、 Application scope

As a standard instrument for humidity dew point detection, photoelectric dew point meters have a wide range of applications, such as humidity instrument sensor calibration equipment, natural gas pipeline gas moisture measurement, and toxic and corrosive gas moisture content.

3、 Principle of photoelectric dew point meter

the dew point:When the water content in the mixed gas decreases to a certain degree at a certain temperature, the water content in the gas reaches the saturation point of the ambient temperature, and excess water molecules will condense dew or frost. The temperature at this point is called the dew point temperature or frost point temperature.

Relative humidity:At a certain temperature, the ratio of the current water vapor content to the saturated water vapor content at that temperature is X100%

The photoelectric dew point meter uses a cooling semiconductor to control the temperature of the metal mirror surface. When a layer of dew or frost forms on the mirror surface, the thickness of the condensation is detected by photoelectric elements, and the temperature at which the condensation on the mirror surface reaches equilibrium is measured. This equilibrium temperature is the dew point temperature. Measure ambient temperature at standard atmospheric pressure
After calculation, various related parameters such as relative humidity, absolute humidity, water activity, and air enthalpy can be obtained.

4、 Product customization

Customized development can be carried out according to customer requirements. For details, please consult customer service personnel.