- Model CX4015 - Multicomponent FTIR Gas Analyzer

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The On-line Series includes multicomponent gas analyzers for continuous monitoring applications. The CX4015 incorporates a Fourier transform infrared spectrometer, a temperature controlled sample cell, and signal processing electronics. The analyzer is fully equipped for fixed installations and it offers versatility and high performance for all industrial users.

The CX4015 is designed workplace air monitoring, and quality control applications. It is an ideal tool to measure components of interest in ambient conditions. The sample cell can be heated up to 50 °C. Sample cell absorption path length is selected according to the application.

The CX4015 allows simple calibration using only single component calibration gases. The user can easily configure the analyzer for a new set of compounds.

  1. CX4015
  2. External pump is needed
  3. External computer to run CalcmetTM software not included
  4. Particulate filtration and heated/unheated lines for gas transport
  5. Optional analog signals in external PC: ADAM 5000/TCP module (for analog inputs, outputs, relays)

The CX4015 can be integral part of the Continuous emissions monitoring system (CEMS II)  or it can be operated as an individual analyzer.

  • Highest possible sensitivity for low detection limits

  • Occupational hygiene
  • Quality control

General parameters

  • Measuring principle: Fourier transform infrared, FTIR
  • Performance: Simultaneous analysis of up to 50 gas compounds
  • Response time, T90: Typically < 120 s, depending on the gas flow and measurement time
  • Operating temperature:
    • Short term 0 - 40°C
    • long term 5 - 30°C
    • non-condensing
  • Storage temperature: -20 - 60°C, non-condensing
  • Power supply: 100-115 or 230 V / 50 -60 Hz
  • Power consumption: Average 150 W, maximum 300 W

Spectrometer

  • Resolution: 8 cm-1 or 4 cm-1
  • Scan frequency: 10 scans / s
  • Detector: Peltier cooled MCT
  • Source: SiC, 1550 K
  • Beamsplitter: ZnSe
  • Window material: ZnSe
  • Wave number range: 900 - 4 200 cm-1

Sample cell

  • Structure: Multi-pass, fixed path length 5.0 m
  • Material: 100 % rhodium coated aluminium
  • Mirrors: Fixed, protected gold coating
  • Volume: 0.4 liters
  • Connectors:
    • Inlet Swagelok 6 mm
    • Outlet Swagelok 8 mm
  • Gaskets Viton O-rings
  • Temperature: 180 °C, maximum
  • Window material: BaF2

Measuring parameters

  • Zero point calibration: 24 hours, calibration with nitrogen
  • (4.0 or higher N2 recommended)
  • Zero point drift: < 2 % of measuring range per zero point calibration interval
  • Sensitivity drift: None
  • Linearity deviation: < 2 % of measuring range
  • Temperature drifts: < 2 % of measuring range per 10 K temperature change
  • Pressure influence: 1 % change of measuring value for 1 % sample pressure change. Ambient pressure changes measured and compensated

Electrical connectors

  • Digital interface:
    • 9-pole D-connector for RS-232
    • Analyzer is connected to an external computer via RS-232C cable. 
    • Remote control connection for Portable sampling unit
  • Power connection: Standard plug CEE-22
  • PSS connection: Remote connection of PSS (Portable Sampling System)

Gas inlet and outlet conditions

  • Gas temperature: Non-condensing, the sample gas temperature should be the same as the sample cell temperature
  • Flow rate: 120 - 600 liters per hour
  • Gas filtration: Filtration of particulates (2 µm) required
  • Sample gas pressure: Ambient
  • Sample pump: External, not included

Electronics

  • A/D converter: Dynamic range 95 dB
  •  32-bit floating point DSP
  • Signal processor: 120 MFLOPS speed
  • Computer: External, not included

Analysis software (for external PC)

  • Operating system: Windows XP
  • Analysis software: Calcmet for Windows

Options

  • Sample cell: Multi-pass, fixed path length 2.5 m or 9.8 m
  • Pressure measurement: Inside sample cell
  • Analog signals (ext PC): ADAM 5000/TCP module (for analog inputs, outputs, relays)
  • Sample cell gaskets: Teflon coated Viton or Kalrez
  • Trolley: Wheeled cart for the analyzer and laptop computer

Enclosure

  • Material: Aluminium
  • Dimensions (mm): 390 * 445 * 164
  • Weight: 13.9 kg
  • CE label: According to EMI guideline 89/336/EC

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