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Xi'an Xinmin Electronic Technology Co., Ltd
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WJ400A environmental monitoring transmitter
1、 Product Introduction: WJ400A is a high-precision environmental monitoring transmitter that integrates temperature, humidity, lighting, and CO2
Product details


1Product Introduction:

WJ400A is a high-precision environmental monitoring transmitter that integrates temperature, humidity, lighting, and CO2. Internally, it adopts a 32-bit high-performance processor with fast processing speed, strong anti-interference ability, and supports remote parameter configuration.


IIApplication scenarios:

Widely applicable to indoor and outdoor environmental monitoring, agricultural greenhouses, flower cultivation, and other occasions that require monitoring of light intensity and CO2 concentration


threeProduct Features

1. Can simultaneously collect lightingCO2 Concentration, temperature, and humidity signals

2. adoptRS485 interface;

3. Support standardsMODBUS-RTU communication protocol;

4. The product testing software comes with functions such as digital display, curve recording, and data storage;

fourTechnical parameters:

temperature parameter

Measuring range:-40~120℃

Measurement accuracy:±0.5℃(-30~90℃)

Humidity parameters

Measuring range:0~100%RH

Measurement accuracy:±3%RH(10~90%RH)@25℃

Light intensity parameters

Measuring range:0~65535lx

Measurement accuracy:±2%lx @(0~3000lx)

Spectral response:400~700nm (typical value 560nm)

CO2 concentrationparameter

Measuring range:0~5000PPM

Measurement accuracy:± (50PPM+5% reading value) (built-in temperature compensation)

communication interface

RS485

communication protocol

MODBUS-RTU

work

environment

Temperature: -20~80 ℃

Humidity: 20~80% RH

average current

25mA @ 24VDC

Overall dimensions

162mm (length) x 74mm (width) x 64mm (depth)

power supply voltage

7~24VDC

5、 Dimensions (mm)

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sixProduct selection:

WJ400A


environmental monitoringtransmitter


T


temperature


H


humidity


L


illumination


C


CO2


C4


RS485


V1

7~24VDC power supply


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