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Range of Portable Gas Detectors:-

Portable Biogas Analyzer:-

Portable Bio Gas Analyzer PG-400-PEL


The Portable Biogas Analyzer PG-400-S-PEL is specifically designed for measurement and monitoring of biogas,  greenhouse and other gases like methane, carbon dioxide, hydrogen sulphide, etc. with concentrations of 4 gases displayed on LCD screen at a time.


  • Digital display of CH4 CO2, O2, H2S Concentration on the LCD display with backlight
  • Plug-in Sensor provides a full year of warranted protection against hazardous gases
  • Calibration due indication and alert
  • Easy handling and programming with 3 keys and one key for power ON/OFF
  • Password protected function menu
  • Power supply with rechargeable battery
  • LOW, HIGH, STEL and TWA configurable alarms with buzzer and vibrator alerts and LED indications
  • Small, compact and light-weight
  • Software calibration totally by using front keys
  • Optional data logging facility with 50000 records & visible in ASCII format while downloading to PC via USB interface
  • Battery status indication on the LCD display with battery charging LED indication and BAT low indication with Buzzer

Technical Specifications:-

  • Detection Method : Suction
  • Display : LCD with settable backlight
  • Set Point : Two independent set points, AL1 & AL2 with LED indication facility only
  • Setting : Setting by 3 keys on front panel i.e. (SET,SHIFT/ACK, INCR); Integrated Buzzer and Vibrator for Alarm Violation
  • Sensor Technology : NDIR & Electrochemical
  • CH4 (NDIR) : 0-100%V/V / 1 ±2%
  • CO2 (NDIR) : 0-100% V/V / 1 ±10%
  • O2 (Electrochemical) : 0-25% V/V / 0.01 ±2%
  • H2S (Electrochemical) : 0-9999PPM / 1 ±2
  • Battery : Li-Polymer, Rechargeable Battery 8 hours of runtime on full charge
  • Charger : Input:100-240V AC, 50-60 Hz; Output:5V, 500mA Max
  • Operating Temp : 0 to 50°C
  • Storage Temp: 0 to 60°C
  • Humidity : Below 95% RH, Non condensing
  • Pelican Box Details: Size(external) : 270mm(L) x 246mm(W) x 174mm(H)
  • Weight : 2kgs max


  • Greenhouse gas measurement
  • Biogas plant
  • Farm digester gas monitoring
  • Food processing biogas monitoring
  • Waste water biogas monitoring
  • Methane recovery

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