Huawei EMU - Self-Selected Sensor Requirements; Self-Selected Water Sensor Requirements

Requirements for the specifications of the self-selected sensors
l Working voltage: 24 V
l Type of output temperature signals: current type (4 mA to 20 mA)
l Type of output humidity signals: current type (4 mA to 20 mA)
l Temperature monitoring range: -20
o
C [-4
o
F] to +80
o
C [176
o
F]
l Humidity monitoring range: 0%RH to 100%RH
The relations between the humidity and output current must meet the requirements shown in
Figure 3-8.
Figure 3-8 Relations between the humidity and output current
4 mA 20 mA
0% RH
100% RH
The relations between the temperature and output current must meet the requirements shown in
Figure 3-9.
Figure 3-9 Relations between the temperature and output current
4 mA
20 mA
-20℃
80℃
Requirements for the Specifications of Self-Selected Water Sensors
Working voltage: 24 V or 12 V
EMU
User Guide 3 Introduction to the Sensors
Issue 13 (2009-12-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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