Specifications
Brand Name :
ZONEWU
Model Number :
LW302D-CH4
Certification :
CE/RoHS
Place of Origin :
Xiamen
MOQ :
1
Price :
Contact Us
Payment Terms :
T/T
Supply Ability :
500
Delivery Time :
21 days
Packaging Details :
23X20X5 cm
Power Supply :
5~28VDC
Weight :
120g
Operating Emperature :
-20℃~60℃
Measuring Principle :
Principle of Non Dispersive Infrared (NDIR)
Measuring Range :
0~100% LEL
Resolution Ratio :
1%LEL
Temp. Range :
-40~+80 ℃
Accuracy :
±2 %RH
Humi. Range :
0~99.9 %RH
Lifespan :
> 5 years
Frequency :
CN470/IN865/EU868/RU864/US915/AU915/ KR920/AS923-1&2&3&4
Mode :
OTAA Class A/C(Default: Class C)
Reporting cycle :
5min(Default reporting cycle)
Communication Protocol :
LoRaWAN
MAC Version :
LoRaWAN 1.0.3
Description

ZONEWU LoRa-Based Wireless Environmental Monitoring Terminal: Technical Overview & Core Advantages

1.ZONEWU’s wireless monitoring device represents a cutting-edge solution for remote environmental data acquisition and supervision, built on the robust foundation of LoRa spread spectrum modulation technology. Unlike traditional wireless communication methods, LoRa’s unique spread spectrum modulation enables the terminal to achieve ultra-long-distance communication even in complex industrial environments—such as underground mines, large-scale farms, or remote oil and gas fields—where signal interference and obstacles are prevalent.

2.This all-in-one device integrates three core functions into a single, compact unit: data collection, real-time environmental monitoring, and secure wireless data transmission. Eliminating the need for separate modules and cumbersome wiring, it streamlines deployment and reduces operational costs for users across various industrial sectors.

3.At the heart of the device’s sensing capabilities are two high-precision sensors: a methane (CH₄) sensor and a temperature and humidity sensor. The methane detection module employs the non-dispersive infrared (NDIR) detection principle, a gold-standard technology for gas analysis. This principle works by emitting specific infrared wavelengths that are absorbed by methane molecules, allowing for highly accurate concentration measurements. A key advantage of the NDIR-based design is its superior selectivity—it can identify and quantify methane even in the presence of other gases, avoiding false readings caused by cross-interference. Additionally, the sensor operates independently of oxygen, making it suitable for use in oxygen-deficient environments, such as confined spaces or high-altitude areas, where traditional oxygen-dependent sensors would fail to function reliably.

4.To ensure proactive risk management, the device is equipped with an intelligent anomaly emergency reporting system. Users can pre-set critical threshold values for methane concentration, temperature, and humidity based on their specific on-site environmental requirements and safety standards. When the monitored parameters exceed or fall below these pre-defined thresholds, the terminal automatically triggers an emergency alert and transmits the anomaly data to the central management platform in real time. This feature enables users to respond to potential hazards—such as methane leaks or extreme temperature fluctuations—promptly, minimizing safety risks and preventing costly accidents.

5.In terms of networking flexibility, the device supports two industry-leading protocols: the standard LoRaWAN protocol and the TDMA (Time Division Multiple Access) ad hoc networking protocol. For large-scale, centralized monitoring systems, LoRaWAN provides seamless integration with existing IoT platforms, enabling unified management of multiple terminals across a wide geographic area. For scenarios where a centralized network infrastructure is unavailable, the TDMA ad hoc networking protocol allows multiple ZONEWU monitoring terminals to form a self-organizing, peer-to-peer network. This ad hoc capability ensures uninterrupted data transmission even in remote locations, making the device a versatile choice for both fixed-site and mobile monitoring applications.

CH4 Sensor Specification:


Power Supply 5~28VDC
Weight 120g
Operating Emperature -20℃~60℃
Measuring Principle Principle of Non Dispersive Infrared (NDIR)
Measuring Range CH4:0~100% LEL
Resolution Ratio CH4:1%LEL

Temp.and Humi. Sensor

Temp Range:-40~+80 ℃
Accuracy:±0.3 ℃
Humi Range:0~99.9 %RH
Accuracy:±2 %RH
Lifespan > 5 years
Frequency

CN470/IN865/EU868/RU864/US915/AU915/

KR920/AS923-1&2&3&4

Mode OTAA Class A/C(Default: Class C)
Data Collection Cycle 10s(Default)
Reporting cycle

5min(Default reporting cycle)

Report after preheating for 3 minutes when powered on

Communication Protocol LoRaWAN,LoRa TDMA Networking

Equipment information

(Reference)

AppEUI:0000000000000001

DevEUI:aaaa202404150001

AppKey:00001111222233334444555566667777

MAC Version:LoRaWAN 1.0.3

Packaging:


Single gross weight: 0.600 KG

Single package size: 23X20X5 cm

Product Description:


Industrial LoRa CH4 Temperature & Humidity Sensor Long Distance Wireless Gas Monitoring Detector

Industrial LoRa CH4 Temperature & Humidity Sensor Long Distance Wireless Gas Monitoring Detector

Industrial LoRa CH4 Temperature & Humidity Sensor Long Distance Wireless Gas Monitoring Detector

Industrial LoRa CH4 Temperature & Humidity Sensor Long Distance Wireless Gas Monitoring Detector

Application:


The High precision CH4 sensor also widely used for gas monitoring of Chemical production, Ward monitoring, Vegetable greenhouse, Livestock and poultry farms, Tunnel monitoring, Cold chain logistics vehicle, Cold storage monitoring, Biosafety laboratory.

Industrial LoRa CH4 Temperature & Humidity Sensor Long Distance Wireless Gas Monitoring Detector

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Industrial LoRa CH4 Temperature & Humidity Sensor Long Distance Wireless Gas Monitoring Detector

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Brand Name :
ZONEWU
Model Number :
LW302D-CH4
Certification :
CE/RoHS
Place of Origin :
Xiamen
MOQ :
1
Price :
Contact Us
Contact Supplier
Industrial LoRa CH4 Temperature & Humidity Sensor Long Distance Wireless Gas Monitoring Detector
Industrial LoRa CH4 Temperature & Humidity Sensor Long Distance Wireless Gas Monitoring Detector
Industrial LoRa CH4 Temperature & Humidity Sensor Long Distance Wireless Gas Monitoring Detector
Industrial LoRa CH4 Temperature & Humidity Sensor Long Distance Wireless Gas Monitoring Detector

Xiamen ZoneWu Technology Co., LTD.

Site Member
1 Years
fujian, xiamen
Since 2017
Business Type :
Manufacturer, Seller
Main Products :
Employee Number :
5~50
Certification Level :
Site Member
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