Figure 10-1 Temperature and humidity sensor
NOTE
The temperature and humidity sensor is classified into two types and the functions of these two types are the
same.
Technical Specifications
Table 10-2 describes the technical specifications of the temperature and humidity sensor.
Table 10-2 Technical specifications of the temperature and humidity sensor
Parameter Name
Specification
Temperature sensor Humidity sensor
Measurement
range
-20°C to +80°C 0RH to 100%RH
Precision
≤±0.3°C (at 25°C) ≤±2%RH (at 25°C, 30%RH to
80%RH)
Power supply
voltage
12 VDC to 24 VDC
Signal output 4 mA to 20 mA (corresponding to the measurement range linearly)
Sampled resistance
≤500 ohms
Sensitive
components
Pt100 platinum resistor S108 humidity-sensible capacitor
Work temperature -20°C to 80°C
Storage
temperature
-40°C to 60°C (not condensing)
Shell material ABS engineering plastic
FAQ
1. Q: Why is the temperature reported by the EMU higher than the actual temperature?
UA5000 Universal Access Unit
Environment Monitoring 10 Sensors
Issue 01 (2012-08-17) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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