Wireless Combustible Gas Detector ET3-EX

NegotiableUpdate on 01/30

Model

Nature of the Manufacturer: Producers

Product Category

Place of Origin

Online Consult

Overview

Wireless transmission of continuous online monitoring of combustible gas concentration and measurement of temperature and humidity, on-site display of concentration and sound and light alarms for exceeding standards, and remote transmission of data

Product Details

Wireless transmission supports 433MHz, wireless radio transmission mode, transmission distance of 2-10Km, with built-in GPRS module depending on different power, real-time remote data transmission, not limited by distance;
L Full Chinese/English operation menu, simple and practical, with temperature compensation function
TCP/IP, 4G transmission, Bluetooth transmission, SMS transmission, WIFI transmission, etc.
Explosion proof rating&durability

L has concentration alarm and control functions, and automatically outputs an alarm signal when the gas concentration exceeds the allowable value of the national standard
L has super strong circuit protection function, making your device less prone to damage and able to work normally in harsh environments
Explosion proof, lightning proof, anti-static, anti reverse connection, anti electromagnetic interference, anti pulse current impact
Suitable for various working conditions&fast, accurate and stable

On site concentration display and excessive sound and light alarm
Using original imported sensors from multiple countries, the sensors have a long lifespan and a wide variety.
Equipped with infrared remote control as standard, it can achieve cover free operation in dangerous situations

Technical Parameter

Gas detection:	Combustible gas EX adopts 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
Connection method:	3/4 "NPT internal thread, 1/2" NPT internal thread, supporting 2 electrical connection methods simultaneously
Explosion proof mark:	ExdII CT6	Shell material:	Die cast aluminum+sandblasting oxidation, explosion-proof and corrosion-resistant
Protection level:	IP65	Working temperature:	-30～50℃
Working power supply:	24VDC（9～30VDC）	Working humidity:	≤95%RH， No condensation
Size and weight:	200×149×79mm（L×W×H） 0.5 Kg (net weight of instrument)	working pressure:	-30Kpa～100Kpa
Standard accessories:	Instruction manual, certificate of conformity, calibration cover
Execution standards:	GB3836.1-2010 Explosive Atmosphere Part 1: General Requirements for Equipment GB3836.2-2010 Explosive Atmosphere Part 2: Equipment Protected by Flameproof Enclosures "d"