Technical Parameters

• Gas Detection: Methanol (CH4O), imported Semiconductor / NDIR / catalytic combustion gas sensor
• Detection Range: 0-1%VOL、0-3%VOL、100%LEL (optional)
• Resolution： 0.01%VOL（0-3%VOL），0.1%LEL（0～100%LEL）
  

• Response Time： ≤20S（T90）

  Detection Accuracy： ≤±3% (Depending on the specific sensor)

• Linearity Error: ≤±1%

  Zero Drift: ≤±1%（F.S/Year）

• Recovery Time: ≤20S

  Scalable Gas Sensor: User can customize 1-6 gas sensors in any combination

• Repeatability: ≤±1% F.S

  Explosion Proof Sign： CNEx16.0547

• IP Rating ： IP66

  Production license： Guangdong Manufactured 00000052 (CMC China Metrology Certification)

• Temperature & Humidity(optional function): temperature detection range:-40 ～ 120℃
  humidity detection range:0-100%RH
• Detection Pattern： diffusion, circulation, pumping mode is available，online detection
• Installation Method: wall mounting type, pipe type (screw thread size:M40*1.5MM), circulation type
• Signal Output: ① 4-20mA signal : standard 16bit 4-20mA output chip, transmission distance 1Km
  ② RS485 signal: standard MODBUS RTU protocol, transmission distance 2Km
  ③ 0-5V,0-10V output are optiona
  ④ 4-20mA+Hart signal is available
  ⑤ 2-3 relays output: Concentration alarm value adjustable contact rating：30VDC 1A/125VAC 0.3A
• Transmission Mode: ① Cable transmission :3-core, 4-core cable, long distance transmission (1-2 km)
  ② TCP/IP transmission: supporting TCP/IP protocol, using optical fiber, network cable, long-distance real-time transmission via intranet and extranet network (optional)
  ③ GPRS transmission: built-in GPRS module, real-time remote transmission of data, not limited by distance (optional)
  ④ Wireless transmission: supporting 433MHz, radio transmission mode, transmission distance 2-10Km, depending on power (optional)
• Data Receiving Device : PC, Gas Alarm Controller, PLC, DCS, Mobile Phone and Tablet Computer is optional
• Alarm Mode: audible and visual alarm, external alarm, remote controller alarm, computer data acquisition software alarm, mobile phone APP notification, SMS alarm are optional
• Alarm Setting: ①standard configuration two-level alarm, three-level alarm is optional
  ②two alarm mode:high alarm & low alarm mode, interval control alarm mode
  ③interval control alarm for temperature sensor
  ④interval control alarm for humidity sensor
• Material： Die-cast aluminum, explosion and corrosion proof
• Working Environment: Operating Temperature: -30℃ ～ 50℃（Higher temperature and humidity require custom sensors or optional preprocessing systems）
  Relative Humidity: ≤90%RH，Non-condensing
  Pressure： 0 ～ 100Kpa
  Power : 24VDC（12～30VDC）
  Connection： 3/4″NPT,1/2″NPT, two connection modes are supported at the same time
• Dimensions： 200*162*80mm(L×W×H） 1.5Kg（Net weight）
• Standard Accessories: User manual, certificate, calibration cover
• Executive Standard: GB3836.1-2010 "Explosive Environment Part 1: general requirements for equipment"
  GB3836.2-2010 "Explosive Environment Part 2: equipment protected by flameproof enclosure ”d””