Combustible gas alarm ET2-EX

NegotiableUpdate on 01/30

Model

Nature of the Manufacturer: Producers

Product Category

Place of Origin

Online Consult

Overview

Fixed combustible gas alarm is suitable for continuous online monitoring of combustible gas concentration and temperature and humidity measurement in various environments. It displays concentration and provides sound and light alarms for exceeding standards on site. It adopts imported catalytic combustion sensor and microcontroller technology, and has the advantages of stable signal, high accuracy, and good repeatability. The explosion-proof wiring method is suitable for various hazardous areas

Product Details

The fixed combustible gas alarm is suitable for continuous online monitoring of combustible gas concentration and measurement of temperature and humidity in various environments. It displays concentration and provides sound and light alarms for exceeding standards on site. It adopts imported catalytic combustion sensors and microcontroller technology, and has the advantages of stable signals, high accuracy, and good repeatability. The explosion-proof wiring method is suitable for various hazardous areas.
Yuanzhiheng Combustible Gas Alarm

Detecting combustible and toxic gas leaks in industrial sites with sound and light alarms
Full software automatic calibration, sensor up to 6 levels of target point calibration function, ensuring accuracy and linearity of detection, and with data recovery function
Suitable for environmental monitoring, municipal gas, tobacco industry, power industry, pharmaceutical industry, water treatment industry, petrochemical industry, coal, metallurgy, etc
Adopting the latest semiconductor nano technology, ultra-low power 32-bit microprocessor with up to 24 bit ADC data acquisition chip
Multi signal transmission

l 4-20mA、RS485、0-5V、0-10V、4-20mA+Hart、 Switching signal
PPM,% VOL, mg/m3 concentration units can be freely switched
Multiple transmission methods to choose from: 3-4 core cable, fiber optic cable, Ethernet cable, GPRS wireless transmission, RTU wireless transmission
Multiple data reception methods: user computer, control alarm PLC、DCS、 Mobile phones, tablets, etc
On site sound and light alarm

On site concentration display and excessive sound and light alarm
Intrinsic safety circuit design, explosion-proof certification, obtained multiple software copyright patents
Using original imported sensors from multiple countries, the sensors have a long lifespan and a wide variety.

Technical Parameter

Gas detection:	Combustible gas (EX), imported catalytic combustion sensor
Measurement range:	0-100%LEL
resolving power:	0.1%LEL
Installation method:	Wall mounted, pipe mounted (thread size: M40X1.5mm), flow-through, and pump suction options are available
Detection accuracy:	≤±3%	Linear error:	≤±1%
Response time:	≤ 20 seconds (T90)	Zero drift:	≤± 1% (F.S/year)
Recovery time:	≤ 20 seconds	Repeatability:	≤±1%
Signal output:	① 4-20mA signal: standard 16 bit precision 4-20mA output chip, transmission distance of 1km ② RS485 signal: using standard MODBUS RTU protocol, transmission distance of 2Km ③ Voltage signal: 0-5V voltage signal output ④ Pulse signal: also known as frequency signal, with adjustable frequency range ⑤ Switching signal: 2-3 sets of relays, passive electric shock capacity 220VAC 3A, 24VDC 3A
Transmission method:	① Cable transmission: 3-core and 4-core cables for long-distance transmission (1-2 kilometers) ② TCP/IP transmission: Supports TCP/IP protocol, utilizing fiber optic and Ethernet cables for long-distance transmission via internal and external networks (optional) ③ 3G transmission: It can be equipped with a built-in 3G module for real-time remote data transmission, without distance limitations (optional) ④ Wireless transmission: Supports 433MHz, wireless radio transmission mode, transmission distance 2-10Km, depending on different power levels (optional) ⑤ Video transmission: Supports security monitoring cameras to capture and collect evidence on site when the device alarms (optional)
Alarm method:	① Comes with 2-3 sets of relay outputs, adjustable high and low alarm modes, and can also set interval control and interval alarm ② Equipped with sound and light alarm for on-site alarm and control ③ Equipped with a control alarm for remote alarm and control ④ Optional SMS alarm, notify the responsible person of the alarm signal via mobile SMS ⑤ Connect to the fire control host and remote control platform for remote alarm and monitoring