Fixed combustible gas detector

Fixed combustible gas detector

Instrument features:
① Ultra low power 32-bit microprocessor using semiconductor nanotechnology
② Adopting a 2.4-inch industrial grade color screen with a resolution of 320x240
② PPM,% VOL, and mg/m3 concentration units can be freely switched
③ Multiple signal outputs available: 4-20mA, RS485, 0-5V, 0-10V, frequency signal, switch signal
Multiple transmission methods available: 3-4 core cable, fiber optic cable, Ethernet cable, GPRS transmission, wireless transmission, video transmission
Multiple data reception methods: user computer, control alarm PLC、DCS、 User's mobile phone, iPad, etc
④ Equipped with status indicator function, it comes with 4 sets of LED status indicator lights
⑤ It has functions such as overvoltage protection, lightning protection, short circuit protection, reverse connection protection, anti-static interference, and anti magnetic field interference
And it has an automatic recovery function to prevent instrument damage caused by external factors, human factors, natural disasters, etc
⑥ Equipped with temperature and humidity detection function, it can detect the temperature and humidity values of gas on site or in pipelines (optional)
⑦ Full software automatic calibration, sensor up to 6 levels of target point calibration function, ensuring measurement accuracy and linearity, and with data recovery function
⑧ Full Chinese/English operation menu, simple and practical, with temperature compensation function
⑨ The instrument can also be equipped with an infrared remote control for remote control without opening the cover

Fixed combustible gas detector

Technical parameters:

Gas detection: combustible gas (EX), imported catalytic combustion sensor
Measurement range: 0-LEL
Resolution: 0.1% LEL
Temperature and humidity: optional accessories, temperature detection range: -40~120 ℃, humidity detection range: 0-RH
Testing methods: diffusion type, flow type, pump suction type. Optional installation methods: wall mounted, pipeline type (thread size: M40X1.5mm)
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, 0-10V output, customizable
④ Pulse signal: also known as frequency signal, with adjustable frequency range (optional)
⑤ Switching signal: Standard configuration includes 2 sets of relays, optional third set of relays, passive contacts for relays, 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 real-time transmission over long distances via internal and external networks (optional)
③ GPRS transmission: Equipped with a built-in GPRS module, real-time remote data transmission is possible 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 footage on site when an alarm occurs (optional)