MIC-300 fixed toxic and harmful gas alarm

Features of MIC-300 fixed toxic and harmful gas alarm:


·Explosion-proof, anti-lightning, anti-static, anti-reverse connection, anti-EMI, EMC electromagnetic interference, anti-pulse surge current impact
·Comply with the new national standard and obtain qualifications such as the form approval certificate of measuring instruments, explosion-proof certification, etc.
·Three-wire 4-20mA standard signal output, 2 sets of relay switch value, optional voltage output
·At the same time, it has standard bus system RS485 output (RTU format), and optional integrated sound and light alarm.
Can be connected to a computer to monitor the concentration of the field probe in real time through the host computer, and store, analyze and print the data on the computer
·Automatically track the zero point to prevent drift. Support OEM or ODM customized service

Technical parameters of MIC-300 fixed toxic and harmful gas alarm:


Detection gas: toxic gas, oxygen, carbon dioxide, flammable and explosive gas, TVOC, etc.
Application occasions: petroleum, chemical, pharmaceutical, environmental protection, gas distribution, storage, flue gas analysis, air treatment and other occasions that require fixed installation and online gas concentration detection.
Detection range: 0～1, 10, 100, 1000, 5000, 50000, 100000ppm, 99%LEL, 20%, 50%, 99%Vol optional, other ranges can be customized.
Resolution: 0.01ppm (0～100 ppm), 0.1ppm (0～1000 ppm), 1ppm (over 0～1000 ppm), 0.1%LEL, 0.01%Vol.
Detection principle: electrochemistry, catalytic combustion, infrared, thermal conductivity, PID photoion, etc., depending on the gas type, range, site environment and user needs.
Sensor life: 2 to 3 years for electrochemical principle, 2 or 6 years for oxygen, 5 to 10 years for infrared principle, 3 years for catalytic combustion, and 5 years for thermal conductivity.
Detection accuracy≤±3%F.S (higher accuracy can be customized)
Linearity: ≤±2%
Repeatability: ≤±2%
Uncertainty: ≤±2%
Response time: T90≤30 seconds Recovery time: ≤30 seconds
Signal output: bus system RS485 (RTU), three (four) wire system 4～20mA, optional: 0～20mA, 1～5V, 0～5V, 0～10V.
Working environment temperature: -40℃～+70℃, humidity: ≤10～95%RH (conventional) non-condensing occasions, use in condensing occasions, please order or indicate the use environment when ordering
Working voltage: 12～36VDC DC, the standard power supply of a single device is 24V, 1A or more than 1A DC regulated switching power supply
Power reference: 24V, 2.1A switching power supply can drive 40 toxic gas detectors, or 15 combustible and infrared gas detectors
Working mode: fixed installation, online detection, diffusion measurement; optional pipeline, flow, and pump-suction measurement.
Installation method: pipeline type, wall-mounted type. The working pressure of the pipeline type is ±30% of atmospheric pressure.
Alarm mode: default 1 channel, optional 2 passive contact (dry node) output, three-level alarm, alarm point can be set. On-site sound and light alarm (optional).
Connecting cable: 4-20mA select three-core shielded cable, RS485 select four-core, single wire diameter ≥ 1.5mm when the distance exceeds 1000 meters; the shielding layer is connected to the earth.
Protection level: IP65
Explosion-proof type: flameproof type
Explosion-proof mark: Ex d IIC T6 Gb, certificate number: CNEx17.3959
Dimensions: 203×180×65mm (L×H×W) without light 203×238×65mm (L×H×W) with light
Weight: 1.0Kg
Standard accessories: manual, certificate, warranty card, outer box and packing box
Optional items: integrated sound and light alarm, split sound and light alarm, 24V DC power supply, RS485/RS232 converter, USB/RS232 conversion cable, TCP/IP converter.
Wireless transmission: optional function, can wirelessly transmit data to phones, remote monitoring centers, monitoring computers and other monitoring equipment, use the host computer to perform data analysis, storage, printing and other functions on the computer
Pretreatment system: optional: room temperature and high humidity pretreatment system, high temperature and high humidity pretreatment system, high temperature, high humidity and high dust pretreatment system
Installation accessories: optional: wall mounting bracket, installation buckle fixed on the pipeline (four points, six points),
Pipeline installation stainless steel threaded welding seat or flange (pipe or flange size should be indicated, such as DN50, DN15...), rain cover, 24VDC or 220AC sampling pump (sampling distance 10 meters), vacuum pump (sampling distance greater than 40 M), 24V switching power supply, pressure reducing valve, flow meter.