Temperature and relative humidity sensor

HMP155A is a high-performanceTemperature and relative humidity sensorIt adopts Vaisala's latest developed HUMICAP ® 180R heating type relative humidity probe, combined with current excellent manufacturing technology, has*Stability and adaptability to the environment. With its new temperature probe with higher sensitivity and faster response, HMP155A can react to changes in ambient temperature at a faster speed, allowing you to have first-hand data on temperature changes at any time. HMP155A supports 0~1V voltage output and has good compatibility with the full range of CSI data collectors; It adopts energy-saving design and is only powered by the data collector during measurement. The power supply can be stopped when it is not working.

HMP155ATemperature and relative humidity sensorIt can be widely applied in fields such as meteorological observation and forecasting, road environment monitoring, industrial inspection, etc. In order to enable the sensor to eliminate environmental influences for more accurate measurements and have a longer service life, we recommend that you equip it with a 41005-5 radiation shield or install it inside a louver box.

Main technical parameters:

Working environment: -80 ℃~60 ℃, 0~100% RH

Working voltage: 7~28VDC

Output signal: Voltage (0~1V, 0~5V, 0~10V), RS-485, Pt100 (4-wire connection)

Shell: Polycarbonate

Shell protection level: IP66

temperature sensor

Sensor type: Pt100 RTD 1/3 class B IEC 751

Range: -80 ℃~60 ℃

Accuracy (analog voltage output): ± (0.226-0.0028 × temperature range) ℃ (-80 ℃~20 ℃); ± (0.055+0.0057 x temperature range) ℃ (20 ℃~60 ℃) (When using RS-485 signal output, the accuracy is better than analog voltage)

Relative humidity sensor

Sensor type: HUMICAP ® 180R

Range: 0.8~100% RH

Accuracy: ± (1.2+0.012 x reading)% RH (-40~-20 ℃, 40 ℃~60 ℃), ± (1.0+0.008 x reading)% RH (-20 ℃~40 ℃)