Fast response of VOC gas leakage with a high efficient pump inside
Self diagnosis function with built-in Microprocessor
Easy replacement with a cartridge type sensor
Digital flow sensor to maintain regular flow rate
Low concentration VOC gas detection by PID sensor
Stable quality and proved detection principle for service life
Fine LCD display for showing various information
4-digit digital gas concentration display
4-20mA (Current source or Sink) output signal
Easy configuration of monitoring by RS-485 Modbus or PoE
2-stage alarm, 1-trouble display and relay contact output
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

Auto Sampling type 

   Measuring method

Photo-Ionization Detector(PID) or Semiconductor cell 

   Measuring range

0 ~ 300ppm

   Response time

Varies by gas


±3% / Full scale 

   Parameter control

Front switch (calibration, maintenance, alarm setting)

   Operation mode display

4-LED (Power, 2-stage alarm, 1-trouble)

   Measuring value display

LCD Display(4-Digit)

   Alarm signal output

 2A@30VDC, 0.5A@125VAC (resistive load) 

3-SPST relay contact(2stage alarm, 1 trouble) 







   Output signal


Analog : 4-20mA Analog Output

Maintenance signal : 4mA

Calibration signal : 3mA

Fault signal : 0mA

Digital : RS-485 Modbus(Option)
PoE(Power over Ethernet)(Option) 

   Sampling method

 Diaphragm Pump

   Sampling line

OD 1/4" (Standard) 

   Flow rate

 0 ~ 1000 ml/min max

   Conduit connection

Standard : PF 3/4"

Cable gland(PG-16)

   Mounting type

Wall mount

   Operating temperature  

-10°C ~ +60°C

   Operating humidity 

5 to 99% RH (Non-condensing)


 Front(Poly carbonate), Sides(Steel) 


Standard type : 70(W) ×144(H) × 160(D) mm


Standard type : 2.5kg


DC 24V should be supplied if you want to use Pyrolyzer in case of using PoE power