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NM-HWS Series Temperature and Humidity Check Box
NM-HWS Series Temperature and Humidity Check Box is special calibration equipment for detecting hair temperature and humidity indicator (meter), dry and wet bulb thermometer, digital temperature and humidity meter and other kinds of temperature and humidity sensors.
Chilled-mirror dew-point hygrometer Dewmaster
PDM483 Precision Dew-point Hygrometer is a temperature and humidity measuring equipment based on the principle of optical chilled mirror. Different from the principle of indirect measurement of humidity through changes in capacitance and resistance, it is a direct measurement instrument according to the definition of humidity/dew point.
NM-HUMI700 Standard ventilation psychrometer
Standard ventilation psychrometer is designed according to the principle of ventilation psychrometer. It is equipped with two temperature sensors, one for dry bulb temperature measurement and the other for wet bulb temperature measurement. The wet bulb temperature sensor is wrapped with gauze soaked in water. The evaporation amount of the wet bulb surface of the humidity temperature sensor depends on the relative humidity of the atmosphere, and the heat required for evaporation causes a decrease in the temperature of the wet bulb. The relative humidity is calculated by the humidity formula based on the factors, such as dry bulb temperature, wet bulb temperature and atmospheric pressure at that time. The motor drives the fan to ventilate the surface of the dry and wet bulb temperature sensor, so that the surface of the sensor can maintain a substantially constant wind speed. Thus, the humidity measurement will be more stable and accurate.
Michell Optidew Vision Precision Dew-point Hygrometer
The working principle of the precision dew-point hygrometer is based on the proven optical dew point measurement. It has unmatched long-term stability. When the ambient temperature is within -40℃ ~ + 90℃, it has a wide measuring range, equivalent to the relative humidity ＜0.5～100%. The optical dew-point hygrometer displays the measured humidity with high-definition digital display, provides dual current 4-20mA linear output. It is also equipped with serial communication interface, which can realize setting and monitoring from the appropriate computer and PLC, or through the specific data login software of the optical dew-point display hygrometer.
Chilled-mirror Dew-point Hygrometer Made in China
★ Measurement range: -20~+80℃@20℃ (calibration range: 1.92~18.31℃dp@20℃, corresponding to 30%-90%RH)
No.5, Wuma Street, Shanggao Street, Taishan District, Tai'an City, Shandong Province
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