Total Hydrocarbons FID Analyzer

HC51M dilution

Using a proven flame ionisation detector (FID), the analyzer HC51M measures ambient air hydrocarbons (THC, CH4, nmHC) in the range 0-1000 ppm.

Available in 2 versions for the simultaneous and continuous measurement of:
• THC (Total Hydrocarbons)
• THC / CH4 / nmHC (Total Hydrocarbons, methane and non-methane)

  • Measurements in the range of 0-1,000 ppm
  • Graphic Liquid Crystal Display (LCD)
  • Interactive menu driven software
  • Auto-ranging
  • User programmable ranges and time averages
  • Built-in storage of 1 year average data
  • Full remote emulation of the analyze
  • Field proven technology and design
  • Option: internal zero air / external hydrogen generator, internal nmHC convertor / fluid drain
  • High sensitivity, stable, linear FID detector
  • LCD display with synoptic flow diagram display, real time calibration graph
  • Built-in serial interface (RS232/RS422)
  • Continuous indoor and outdoor air quality monitoring
  • Stationary and mobile AQMS laboratories
  • Industrial fence-line and field monitoring
  • Measurement of impurities in industrial gases (O2 or CO2)
  • Continuous emissions monitoring (CEM) by dilution
  • Measurement Campaigns and Monitoring Studies…
Measurable parameters
Pollutant Range
CH4 0-150 / 3500
THC 0-400 / 4000
nmHC 0-400 / 4000
Lowest / Highest available ranges expressed in mg/m3 (may vary with your site conditions to be indicated on the Site Survey Form)
(*) Min/Max based on 100/200 Dilution Rate (other ranges & dilution rates available upon request)
Technical specifications
Sampling technology Dilution
Sample transfert non heated polytube
back flush function YES
span injection YES
Built-In O2 option NO
Serial link communication RS232 / RS422
Other Communication Ethernet
Analogue OUTPUTS YES (x 3)
Analogue INPUTS NO
Dimensions (mm) • Version (19” Rack):
483 x 545 x 133 mm (D x W x H)

  • Internal zero air purifier module
  • External air compressor
  • Internal converter for measurement of methane and non methane hydrocarbon
  • Special version for measurements in pure oxygen or in pure CO2
  • External H2 generator

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