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Range of Biogas Analysers:-

Portable Biogas Analysers:-

Description about Portable Biogas Analyzers:-

The BIO-400-S-series Portable Biogas Analyzers are handheld type of devices specifically designed for measuring or monitoring of biogas or  greenhouse gases like methane, carbon dioxide, hydrogen sulphide, oxygen, carbon monoxide, ammonia or hydrogen as per requirement at site.

These analysers are available in Pelican box type or handheld type of enclosures, apart from our other fixed type of biogas analyzers.


  • Digital display of CH4, CO2, O2, H2S Concentration on the graphic LCD display with backlight.
  • NH3, CO & H2 Gas as per requirement
  • Easy handling and programming with 3 keys and one key for power ON/OFF
  • Password protected function menu
  • Plug-in Sensor provides a full year of warranted protection against hazardous gases
  • Calibration due indication and alert
  • Power supply with rechargeable battery
  • LOW, HIGH, STEL and TWA configurable alarms with buzzer and vibrator alerts and LED indications
  • Battery status indication on the LCD display with battery charging LED indication and BAT low indication with Buzzer
  • Software calibration totally by using front keys
  • Small, compact and light-weight
  • Optional data logging facility with 50000 records & visible in ASCII format while downloading to PC via USB interface

Technical Specifications of Portable Bio gas Analyzers:-

  • 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
  • Gas: CH4 – (NDIR)
    Range: 0-100%V/V; Resolution: 1; Accuracy: ±2%
  • Gas: CO2 (NDIR)
    Range: 0-100%V/V; Resolution: 1; Accuracy: ±10%
  • Gas: O2 (Electrochemical)
    Range: 0-25%V/V; Resolution: 0.01; Accuracy: ±2%
  • Gas: H2S (Electrochemical)
    Range: 0-2000PPM; Resolution: 1; Accuracy: ±2%
  • Gas: NH3 (Electrochemical)
    Range: 0-1000PPM; Resolution: 1; Accuracy: ±2%
  • Gas: H2 (Electrochemical)
    Range: 0-2000PPM; Resolution: 1; Accuracy: ±2%
  • Gas: CO (Electrochemical) :
    Range: 0-1000PPM; Resolution: 1; Accuracy: ±2%
  • Charger : Input:100-240V AC, 50-60 Hz;  Output:5V, 500mA Max
  • Battery : Li-Polymer, Rechargeable Battery, 8 hours of runtime on full charge
  • Operating Temp : 0 to 50°C
  • Storage Temp: 0 to 60°C
  • Humidity: Below 95% RH, Non condensing
  • Atmospheric pressure: 700 mbar to 1200 mbar
  • Output signal Download : Through USB/Bluetooth interface
  • Output Signal Optional : 50000 records Logging capacity with data can be visible in ASCII format while downloading in the PC
  • Pelican Box type Enclosure:-
    Size (external) : 270 mm (L) x 246 mm (W) x 174 mm (H)
    Weight : 2 kgs max
  • Handheld type Enclosure:-
    Size (external) : 236 mm (L) x 130 mm (W) x 43 mm (D)
    Weight : Less than 500 gms

Applications of Portable Biogas Analysers:-

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

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