SWG 100 BIO-Ex Stationary Biogas-measuring system for continuous measurements in Ex-zone 2

O2CH4CO2H2SH2CO

For use in hazardous area zone 2, with compliance to EN 60079-0, EN 60079-15 and cabinet

marking II 3G Ex nA nC IIC T3 Gc 

The biogas analysis system SWG100 Biogas-Ex is the rugged, ready to use industrial gas analyser for:

  • Biogas (anaerobic digestion) plants. Ethanol plants, pulp & paper plants
  • Cogeneration heat and power engines (CHP)
  • Biomethane plants
  • Landfill gas monitoring and CHP
  • Municipal or industrial waste water treatment plants
  • Coal seam gas sites
Basic-Equipment
  • IP 65 stainless steel cabinet, special contruction for use in hazardous area zone 2
  • Electric sample gas cooler and condensate draining pump
  • Regulated sample gas pump with sample gas flow monitoring and adjustment 
  • Internal sample flow sensor with filtration od acid sample gas in front of sensor
  • Solenoid valve for auto-zero (with clean ambient air) and for automatic calibration
  • Sample gas supply cut-off in case of system alarm
  • All stainless steel gas connectors 1/8"ID threads
  • Flow restrictor orifice gas inlet for high pressure site
  • Multiple sampling point monitoring (up to 4 sites Monitoring) with one analyser
  • All password protected, intuitive software guided menu with diagnosis software and logbook
Technical Data
Measuring range
O2 0 ... 25 % (longlife) electrochemical
CH4 0 ... 100% NDIR
CO2 0 ... 100% NDIR
H2S low 0 ... 50 ppm / overload up to 250 ppm / electrochemical
H2S 0 ... 2.000 ppm / overload up to 5.000 ppm / electrochemical
H2S high 0 ... 10.000 ppm / overload up to 50.000 ppm / electrochemical
H2 0 ... 1.000 ppm / overload up to 2.000 ppm / electrochemical
CO 0 ... 10.000 ppm / overload up to 20.000 ppm / electrochemical
Dimensions and other data
Operating temperature +5 ... 45°C or -20°C ... +45°C with cabinet heater
Display 3,5" TFT color display
Interfaces RS485 interface (modbus RTU); 4x analog output 4-20 mA, floating, max. load 500R; 2 alarm relays, potential free contacts 24 Vdc/5 A; DIN-rail RS485 / ProfiBus converter
Ex classification cabinet marking II 3G Ex nA nC IIC T3 Gc, compliance to EN 60079-0 and EN 60079-15
Power supply 230 Vac / 47 ... 63 Hz / 90 W (115 Vac power supply on request)
Protection IP 65
Dimensions 700x600x210 mm (HxWxD) = interior steelcase
Weight approx. 40 kg