Product features:
   	- Adopt original imported sensor
  	- Patent structure technology, IP66 level trebling water-proof design
  	- Ultra low power 32 bit microprocessor,
  	- 4-20A and RS485 two signals output
  	- Modular design, replace easily, maintenance simple
  
  Technical parameters:
  Detection Gas: NH3
  Detecting: Range 0-10,100,500,1000,2000,5000ppm
  Resolution: 0.01ppm,0.1ppm,1ppm
  SamplingL: Diffusion or pump-suction, circulation selectable
  Precision: ≤±3%F.S
  Repeatability: ≤±1% gas alarm wall-mounte N2d gas detector
  Zero drift: ≤±1%(F.S/year) fixed gas detector online gas detector
  Sensor Type: Electrochemical sensor
  Sensor Life: 2~3 years online gas leak detector, fixed type gas alarm, online N2 gas measuring device
  Response Time (T90): ≤20s Fixed gas detector
  Alarming mode: Audible-visual alarm(Optional)
  Operating Environment: Temperature: -30℃~60℃ (Customized for special demands)
  Humidity: ≤95%RH (non-condensing); if >90%RH, can add the filter
  Pressure: 86kPa~106kPa
  Working Voltage:24V DC(16~30VDC)  Output Signals: (Standard)Three-wire system 4~20mA standard signals output, available for PLC, DCS, etc; (Optional) Four-wire system RS485 digital signal output; (Optional) Frequency signal 200~1000Hz output; Two-level relay output:220VAC 0.5A, 5VDC 0.5A Installation Means:Wall mounted, Pipe type (Thread:M40*1.5 ) Material of Body:Cast aluminum
  Explosion-proof Index: Ex d IIC T6
  Protection Grade: IP66
  Electrical Interface: 3/4″NPT(Female Screw),1/2″NPT(Female Screw)
  Transmit Distance: ≤2000m (If more than 2000m, can add the repeater.)
  Dimension: 210 mm×140 mm×92 mm(L×W×H)
  Weight: About 1.5Kg
  Standards: GB15322.1-2003,GB3836.1-2010,GB3836.2-2010,GB3836.4-2010
  Warranty: 12months
  Standards: GB15322.1-2003,GB3836.1-2010,GB3836.2-2010,GB3836.4-2010
  