· Continuous detection of toxic gases and oxygen in explosion hazardous area with flame proof structure
· Self diagnosis function with built-in Microprocessor
· Excellent selectivity by adapting detection principle only for toxic gases & oxygen
· Superior performance for detecting toxic gases below TLV
· Multi functions and high quality with low cost of ownership
· Built-in back light LCD or OLED display
· Easy configuration of monitoring system by HART communication
· Auto calibration and program setting with a magnet bar
· 4-20mA (Current source or Sink) output signal
· Calibration and maintenance by one-man
· With the alarm unit (GTL-100):
- Normal - Green LED
- Alarm - Red LED, Buzzer(95 dB)
- Trouble - Yellow LED ·

Inquiry Specification View  



  Measuring gas


 Toxic gases (CO, CL2, NH3 & etc)

  Measuring type

  Diffusion type

  Measuring method

Galvanic cell or Electrochemical cell

Electrochemical cell 

  Measuring range

Refer to Toxic Gas Measuring Range

  Response time

 < 15sec / 90% scale

 < 45sec / 90% scale


  ±3% / Full scale

  Parameter control

  Non intrusive control with a Magnet bar (calibration, maintenance)

  Operation mode display

  1-LED (Power)

  Measuring value display

  LCD display (Built in back light 2-Line, 8 characters) / OLED Type (Option)



  Output signal

  Analog : 4-20mA Analog Output

  Maintenance signal : 4mA

 Calibration signal : 3mA

  Fault signal : 0mA

  Digital : 2mA (HART 7, HART Device Description Language available, Option)


  Housing : ALDC, SUS316(Option)

 Sensor : SUS316

  Conduit connection

  Standard : PF 3/4" 

 Option : NPT 1/2", NPT3/4", M20 x 1.5P, M25 x 1.5P

  Mounting type

    2" Pole mount, Wall mount, Option

  Operating temperature 

   -40°C ~ 80°C

  Operating humidity

   5 ~ 99%.RH (non-condensing)


136(W) x 176(H) x 110(D)mm