HMP155 Humidity and Temperature Probe

Manufacturer: Vaisala

The Vaisala HMP155 temperature and humidity sensor provides reliable outdoor temperature and humidity measurements. The sensing elements are protected with a sintered teflon filter for protection against water and dirt. The HMP155 is normally installed in a DTR503 solar radiation screen.

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Key Specification

Measurement range Humidity	0 – 100 % RH
Accuracy +15 to +25 °C	±1 % RH (0 to 90 % RH) ±1.7 % RH (90 … 100 %RH)
Measurement range Temperature	-80 to +60 °C
Accuracy at 20 °C	0.12 °C
Power Supply	7 to 28 VDC
Power Consumption	4 mA
Data Output format	RS-485

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DATASHEET

Key Specification

Measurement range Humidity	0 – 100 % RH
Accuracy +15 to +25 °C	±1 % RH (0 to 90 % RH) ±1.7 % RH (90 … 100 %RH)
Measurement range Temperature	-80 to +60 °C
Accuracy at 20 °C	0.12 °C
Power Supply	7 to 28 VDC
Power Consumption	4 mA
Data Output format	RS-485

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HMP155 Humidity and Temperature Probe

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