Accurate, reliable, robust & fast, the Si-CA 320 Combustion Analyzer allows Emissions Monitoring of Boiler, Engine, & Other Industrial Combustion Applications.

Read the Application notes

NO, O2, CO, NO2, SO2, CxHy (HC)
Auto-Zero in the Flue
Full Color Graphic Display
Field Replaceable Sensors
PC Software with Bluetooth®
iOS and Android Mobile Applications

Measure details

  • Units
    %, %vol, ppm, hPa
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Measuring ranges

  • O2
    0.00 % ... 25.00 %
  • CO-H2 compensated w/ built-in NOx filter
    0.00 ppm ... 8000.00 ppm
  • CO2
    0.00 % ... 99.90 %
  • NO
    0.00 ppm ... 5000.00 ppm
  • NO2
    0.00 ppm ... 1000.00 ppm
  • NOx
    0.00 ppm ... 5000.00 ppm
  • SO2
    0.00 ppm ... 5000.00 ppm
  • CxHy (HC)
    0.00 % ... 5.00 %
  • H2S
    0.00 ppm ... 5000.00 ppm
  • Ambient temperature
    -20.00 °C ... 1250.00 °C
  • Gas Temperature
    -20.00 °C ... 1250.00 °C
  • Pressure/Draft
    -10.00 hPa ... 200.00 hPa
  • Excess Air
    0.00 % ... 850.00 °C
  • Efficiency
    0.00 % ... 100.00 %
  • Efficiency (condensation)
    0.00 % ... 120.00 %
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Technical details

  • Parameters
    Gas analysis
    CO
    CO2
    H2S
    NO
    NO2
    O2
    SO2
    Temperature
  • Displays
    Graphical display
  • IP Protection
    IP 42
  • Battery life
    12 hours
  • Standards
    NF EN 50379-1
    NF EN 50379-2
    2011/65/EU RoHS II
    2012/19/EU WEEE
    2014/30/EU EMC
    2014/35/EU Low Voltage
  • Wireless connection
    1
  • Power supply
    3.7 V, 5200 mAh Li-Ion battery pack with internal protection circuit
  • Usb
    Yes
  • Sensors
    CO-H2
    NO
    NO2
    O2
    SO2
  • Auto zero
    Yes
  • Printer
    Remote
  • Sensor protection
    CO dilution
  • Combustion condensate
    Remote
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Instrument Dimensions

  • Length
    271 mm
  • Width
    92 mm
  • Height
    66 mm
  • Weight
    900 g
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Operating temperature

  • Min
    -5.00 °C
  • Max
    45.00 °C
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Storage temperature

  • Min
    -20.00 °C
  • Max
    50.00 °C
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6 Different sensors according to kits: please refer to the technical data sheet
1 Long Lasting Rechargeable Battery & AC Charger
1 Gas Sampling Probe & Hose
1 Water Trap with Filter Cartridge
1 Magnetic Protective Housing
1 PC Software & USB Cable
1 Calibration Certificate
1 ABS Hard Carrying Case
1 User manual