Focused Photonics Inc. (FPI)

- Model GC-300 - VOC Analyzer System

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Sensitivity: Separation efficiency and signal-noise ratio enhanced by utilizing adsorption, thermal desorption technology. Complementary detection combined FID with PID in serial for an optimal sensitivity. Response time: Enable synchronous sampling and separation based on 2D chromatography, time saving. Fast separation and analysis through precisely temperature control. Reliability: Ignition and extinction safety automatically protected. EFC, EPC control technology adopted. User Friendly: Automatic calibration and span check. Software based automatic maintenance and diagnosis. Touch screen.

The sample gas injected into the instrument enters a carrier gas stream which transports the sample into a separation tube known as the ‘column’. The various components are separated inside the column. The detector measures the quantity of the components that exit the column. To measure a sample with an unknown concentration, a standard sample with known concentration is injected into the instrument. The standard sample peak retention time and area are compared to the test sample to calculate the concentration.

  • Methane/Non-methane: hydrocarbon:
  • Model: GC3000-110
  • Technical Principle: Gas: Chromatograph
  • Installation type: Extractive
  • Measurement Range: 0~1000ppm: (customizable)
  • Detection Limit: Non-methane: hydrocarbon 0.05ppm
  • Detector: FID
  • Analysis Period: 2min: (determined by specific substance)
  • Repeatability: GC-3000-110: < 2%(methane)
  • Consumption: N2: 99.999%, 0.4MPa, 25ml/min; H2: 99.999%, 15ml/min

Benzene, Methylbenzene, Ethylbenzene, Xylene and the Isomerides:

  • Model: GC3000-210
  • Technical Principle: Gas: Chromatograph
  • Installation type: Extractive
  • Measurement Range: 0-50ppm: (customizable)
  • Detection Limit: <: 20ppb
  • Detector: PID
  • Analysis Period: 2min: (determined by specific substance)
  • Repeatability: <: 2%
  • Consumption: N2: 99.999%, 0.4MPa, 20ml/min

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