Technical Parameters

• Gas Detection: Tetrahydrothiophene （THT） import electrochemical gas sensor
• Detection Range: 0～20、50ppm(optional)
• Resolution： 0.01ppm（0～100ppm）
  

• Response Time： ≤20S（T90）

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

• Linearity Error: ≤±1%

  Zero Drift: ≤±1%（F.S/Year）

• Recovery Time: ≤20S

  Repeatability: ≤±1%

• IP Rating ： IP65

  Explosion Proof Sign： CNEx16.0547

• Detection Pattern： diffusion, circulation, pumping mode is available，online detection (optional)

• 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 1 relay 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 GPRS transmission: built-in GPRS module, real-time remote transmission of data, not limited by distance (optional)
  ③ 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
• Material： Die-cast aluminum, explosion and corrosion proof
• Working Environment: Operating Temperature: -30℃ ～ 50℃
  Relative Humidity: ≤90%RH，Non-condensing
  Power : 24VDC（12～30VDC）
  Pressure： 0 ～ 100Kpa
  Connection： 3/4″NPT,1/2″NPT, two connection modes are supported at the same time
• Dimensions： 180*130*70mm(L×W×H） 1.0Kg（Net weight）
• Standard Accessories: User manual, certificate, calibration cover
• Production license： Guangdong Manufactured 00000052 (CMC China Metrology Certification)
• 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””