Huawei 02312PBL - User Manual

Issue: 01
Date: 2019-08-23
Temperature and Humidity Sensor
Quick Guide (02312PBL)
Copyright © Huawei Technologies Co., Ltd. 2019 All rights reserved.
1
1
Product Overview
 Adopts a dedicated
low-power
temperature and
humidity collection
chip featuring wide
measurement range
and high precision.
 Supports extended
NTC temperature
sensors.
 Provides an RS485
signal port and 6-
digit device address
DIP switch.
Supports the
Modbus-RTU
communications
protocol and baud
rate configuration.
 Displays the
temperature,
humidity, address,
and baud rate using
nixie tubes.
 Supports online
software upgrade.
 Supports wall-
mounted installation
or magnetic
attachment.
Item
Temperature
Humidity
Measurement range
–
40°C to +70°C
5%
–95% RH
Precision
±
1°C (0°C to +60°C)
±
5% RH (25°C, 20%–80%
RH)
Precision drift
≤ 0.05
°C/year
≤ 0.5% RH/year
Extended temperature
collection port
Provides two RJ45 ports to connect six NTC
temperature sensors, each RJ45 port connecting to
three NTC temperature sensors.
Signal port
RS485
Power supply
9
–16 V DC (typical value 12 V DC)
Power consumption
<
280 mW
Storage environment
–
40°C to +70°C
Key Performance Specifications
1.1
RS485-OUT RS485-IN
DIP switch
Button
Display
Dimensions (Unit: mm)
1.2
Dimensions with
base
NTC1-3
NTC4-6

Huawei 02312PBL Specifications