Continuous detection of VOC gas in explosion hazardous area with flame proof structure
Self diagnosis function with built-in Microprocessor
Low concentration VOC gas detection by PID sensor
Stable quality and proved detection principle for service life
Multi functions and high quality with low cost of ownership
Built-in back light LCD or OLED display
Easy Configuration of monitoring by HART communication
Auto calibration and program setting with a magnet bar
4-20mA (Current source or Sink) output signal
With the alarm unit - Normal : Green LED - Alarm : Red LED, Buzzer(95 dB) - Trouble : Yellow LED
3-wire connection for signal & power
Calibration and maintenance by one-man

Inquiry Specification View  



  Measuring gas

VOC gases(Benzene, Toluene, Xylene & etc)

  Measuring type

  Diffusion type

  Measuring method

Photo-Ionization Detector(PID) or Semiconductor cell 

  Measuring range

 Refer to Toxic Gas Measuring Range

  Response time

Varies by gas


  ±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 177(H) x 110(D)mm