Accurate, reliable, robust & fast, the Si-CA 8500 Combustion Analyzer is the most powerful and advanced portable emissions analyzer on the market. 

Complete portable tool for emissions level monitoring of boilers, engines, and other combustion equipment, this emissions monitoring device can boast as many as 9 gas sensors, detecting one of the widest spectra of gases: O2, CO, NO, NO2, SO2, CO2, CxHy, High CO, VOCs and H2S.

Technical Data sheet User manual Simplified manual
Up to 9 Gas Sensors
Low NOx and “True” NOx Measurements
Built-in Thermoelectric Chiller with Automatic Condensate Removal
Software for Real-Time Data Logging, Graphing, and Reporting with unlimited memory
CO Dilution Auto-Range for Measurements up to 20,000 ppm
Wireless Communication with PC & Printer

Measure details

  • Units
    ft/sec, inH₂O, °F, °C, %, ppm, m/s
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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
  • CO Auto range
    0.00 ppm ... 20000.00 ppm
  • CO NDIR
    0.00 % ... 15.00 %
  • CO2 (Calculated)
    0.00 % ... 99.90 %
  • CO2 NDIR
    0.00 % ... 50.00 %
  • NO
    0.00 ppm ... 5000.00 ppm
  • NO2
    0.00 ppm ... 1000.00 ppm
  • Low NO
    0.00 ppm ... 100.00 ppm
  • Low NO2
    0.00 ppm ... 100.00 ppm
  • SO2
    0.00 ppm ... 5000.00 ppm
  • CxHy (HC)
    0.00 % ... 3.00 %
  • H2S
    0.00 ppm ... 500.00 ppm
  • COV
    0.00 ppm ... 200.00 ppm
  • Air temperature
    14.00 °F ... 212.00 °F
  • Air temperature
    -10.00 °C ... 99.90 °C
  • Gas temperature
    -20.00 °C ... 1050.00 °C
  • Gas temperature
    -4.00 °F ... 1920.00 °F
  • Delta temperature
    -20.00 °C ... 1050.00 °C
  • Delta temperature
    -4.00 °F ... 1920.00 °F
  • Pressure/Draft
    -100.00 mbar ... 100.00 mbar
  • Pressure/Draft
    -40.00 inH₂O ... 40.00 inH₂O
  • Gas velocity
    0.00 m/s ... 99.90 m/s
  • Gas velocity
    0.00 ft/sec ... 330.00 ft/sec
  • Efficiency
    1.00 % ... 99.00 %
  • Efficiency (condensation)
    0.00 % ... 120.00 %
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Technical details

  • Parameters
    Air quality
    Gas analysis
    CO
    CO₂
    H₂S
    NO
    NO₂
    O₂
    Pressure
    SO₂
    Temperature
  • Displays
    Graphical display
  • Battery life
    3 hours
  • Standards
    2011/65/EU RoHS II
    2012/19/EU WEEE
    2014/30/EU EMC
    2014/35/EU Low Voltage
    2014/53/UE RED
  • Wireless connection
    1
  • Power supply
    7.2 Volt, 8 AH rechargeable battery pack
  • Usb
    Yes
  • Sensors
    CO
    CxHy
    H2S
    VOC
    NO
    NO2
    O2
    SO2
  • Auto zero
    Yes
  • Printer
    Remote
  • Sensor protection
    CO dilution
  • Combustion condensate
    Remote
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Instrument Dimensions

  • Length
    11 13/32 inches
  • Width
    10 1/4 inches
  • Height
    4 7/8 inches
  • Weight
    11 pounds
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Operating temperature

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

  • Min
    -10.00 °C
  • Max
    50.00 °C
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1 Integrated Thermoelectric Chiller with Automatic Condensate Drain
1 Rechargeable Battery Pack
1 100-240 Vac/50-60 Hz Battery Charger
1 Real-Time Software with Bluetooth® & USB Interface
1 Protective Carrying Case
1 Calibration Certificate
1 Simplified manual
MPT-II
Wireless Printer
FAQ: Si-CA 8500
Reach certificate - Si-CA 8500
RoHS certificate