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
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
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