California Analytical Instruments, Inc. (CAI)

- Model 600 Series - HFID Hydrocarbon Analyzer

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The California Analytical Instruments Model 600 HFID Analyzers are designed to continuously measure the total concentration of hydrocarbons within a gaseous sample. The analyzers exhibit superior sensitivity and response time. The gaseous sample can be exhaust gases from an internal combustion engine, a combustion process or VOC abatement systems. The instrument can measure THC in the ppm or percent levels. All internal components are maintained at the oven set temperature preventing condensation. Options for Internal Heated Sample Pump.

Method of Operation

The California Analytical Instruments’ Model 600 HFID Analyzer utilizes the principle of Flame Ionization Detection (FID) to determine the total hydrocarbons within a gaseous sample. The HFID analyzer has a heated oven (191o C) which contains a burner and an optional heated pump. The small flame of the burner is elevated and sustained by the regulated flows of air and either pure hydrogen or a 40/60 mixture of hydrogen and helium, or nitrogen. The split ring detector contains 2 electrodes. One electrode is negatively polarized using a precision power supply and the other electrode, known as the “collector” is connected to a high impedance, low noise electronic amplifier. The two electrodes establish an electrostatic field. When a gaseous sample is introduced to the burner, it is ionized in the flame and the electrostatic field causes the charged particles (ions) to migrate to their respective electrodes. The migration creates a small current between the electrodes. This current is measured by the precision electrometer amplifier and is directly proportional to the hydrocarbon concentration of the sample. 

Applications

  • EPA Method 25A Compliance Monitoring
  • Stack Gases (CEM / MACT / Process)
  • VOC Abatement/ Scrubber Efficiency
  • Fermentation Monitoring
  • Vehicle Emissions—Diesel
  • Carbon Bed Breakthrough Detection
  • Personnel Safety

Options

  • Internal Zero/Span/Sample Valves
  • Internal Heated Sample Pump
  • 19 Inch Rack Mount Slides
  • Alternative Burner Fuels
  • Low Sample, Pressure and/or Flow
  • Overflow Calibration via Probe

Features

  • Four User Definable Ranges from 0-3 ppm to 0- 30,000 ppm
  • Fast Response Time
  • Auto Ranging / Auto Calibration
  • Analog Outputs—user scaleable
  • Communications: RS232, TCP/IP
  • Temperature Stabilized Detector
  • CE Mark and ETL Listed—Conforms to UL STD 61010-1, Certified to CAN/CSA C22.2 STD 61010.1
  • Remote Monitoring and Control
  • Electronic Flow Control
  • Automatic Fuel/Air Shut-off
  • Flame Ignition - Local, Remote or Automatic
  • Data Archiving

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