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In-Situ FTIR Gas Analyzer

In-Situ FTIR Gas Analyzer

In-Situ FTIR Gas Analyzer

Product catalog summary
Overview
The Gasmet FTIR In-Situ is an industrial multicomponent gas analyzer designed for continuous monitoring applications. It integrates a Fourier transform infrared spectrometer, a sample cell inserted directly into the gas flow, and signal processing electronics. This analyzer is suitable for fixed installations and offers high performance across various applications.

Specifications
  • Measuring Principle: Fourier transform infrared (FTIR)
  • Performance: Simultaneous analysis of up to 50 gas compounds
  • Response Time (T90): Typically less than 360 seconds
  • Operating Temperature: -30 to +40 °C, non-condensing
  • Storage Temperature: -30 to +60 °C, non-condensing
  • Power Supply: 100-115 or 230 V / 50-60 Hz
  • Power Consumption: 2200 W max., 500 W continuous
  • Instrument Air: 4-7 bar pressure, dew point –20 °C, oil and dust free
  • Max. Air Consumption: 250 l/min for vortex cooling, 100 l/min for zero calibration/purge

Spectrometer Details
  • Resolution: 8 cm-1
  • Scan Frequency: 10 scans per second
  • Detector: Peltier cooled MCT
  • Source: Ceramic SiC at 1550 K
  • Beamsplitter: ZnSe
  • Wave Number Range: 900 - 4200 cm-1

Sample Cell
  • Structure: Multi-pass, fixed path length of 6.0 meters
  • Material: AISI 316 steel with rhodium coated aluminum mirrors
  • Temperature: Up to 250 °C

Measuring Parameters
  • Zero Point Calibration: Every 24 hours
  • Zero Point Drift: Less than 2% of measuring range per interval
  • Linearity Deviation: Less than 2% of measuring range
  • Temperature Drifts: Less than 2% per 10 K change
  • Pressure Influence: 1% change for 1% sample pressure change

Computer Unit
  • Minimum Configuration: 512 MB Memory, > 40 GB hard disk, > 2.4 GHz Intel Pentium IV processor
  • Operating System: Windows 7 (32-bit)
  • Software: Calcmet for Windows

Options
  • Adapters for larger flanges
  • RS-422/485 interface for longer distances up to 1 km

Enclosure
  • Material: Aluminium/steel/polyethylethylketone (PEEK)
  • Dimensions: 1168 x 417 x 263 mm
  • Weight: 30 kg
  • CE Label: According to EMI guideline 89/336/EC

Disclaimer
Gasmet Technologies Oy is not liable for technical or editorial errors or omissions. The information is provided "as is" without warranty and is subject to change without notice.
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Catalog excerpts

In-Situ FTIR Gas Analyzer-1

In-Situ Multicomponent FTIR Gas Analyser Max. air consumption: 250 l/min for vortex cooling (cont.) 100 l/min for zero calibration/purge (15 minutes at 24 hour intervals) Gasmet FTIR In-Situ is industrial multicomponent gas analysers for continuous monitoring applications. The Gasmet In-Situ incorporates a Fourier transform infrared spectrometer, a sample cell which is directly inserted into the sample gas flow, and signal processing electronics. The analyser is fully equipped for fixed installations and it offers versatility and high performance for a wide range of applications. In-Situ analyser is equipped with a control box providing gas and electrical connections, and an external computer unit. The computer employs the same Calcmet user interface as an extractive Gasmet CEMS. The sample must be non-condensing and the upper limit for sample temperature is 250 oC. Sample cell absorption path length is 6.0 meters. Insertion depth of the sample probe is 736 mm and the flange diameter is 240 mm. Scan frequency: Detector: Source: Beamsplitter: Window material: Wave number range: 10 scans / s Peltier cooled MCT Ceramic SiC, at 1550 K ZnSe ZnSe 900 - 4 200 cm'1 Sample cell General parameters Measuring principle: Performance: Response time, T90: Fourier transform infrared, FTIR Simultaneous analysis of up to 50 gas compounds Typically < 360 s, depending on the gas flow and measurement time Operating temperature: Storage temperature: Power supply: Power consumption: Instrument air: -30 - +40 °C, non-condensing -30 - +60 °C, non-condensing 100-115 or 230 V / 50-60 Hz 2200 W max., 500 W continuous (with cell heating) 4-7 bar pressure, dew point -20 oC, oil and dust free Structure: Probe body material: Mirror material: Mirror coating: Gaskets: Window material: Insertion depth Mounting flange Temperature Gas filtration Multi-pass, fixed path length 6.0 m AISI 316 steel Rhodium coated aluminium Reflective gold coating Viton® O-rings BaF2 736 mm 240 mm diameter 250 °C Filter panels (2-7 gm) Measuring parameters Zero point calibration: 24 hours, calibration with Zero point drift: < 2 % of measuring range per zero STREET ADDRESS: Pulttitie 8 A 1 00880 Helsinki, Finland

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In-Situ FTIR Gas Analyzer-2

Sensitivity drift: Linearity deviation: Temperature drifts: Pressure influence: point calibration interval None < 2 % of measuring range < 2 % of measuring range per 10 K temperature change 1 % change of measuring value for 1 % sample pressure change. Sample pressure changes are measured and compensated Options Adapters for flanges larger than 240 mm RS-422/485 interface instead of RS-232 for longer distance, maximum distance one (1) kilometer. Enclosure Sample gas conditions Gas temperature: Up to 250 oC, non-condensing Material: Dimensions (mm): Weight: CE label: Aluminium / steel / polyethylethylketone...

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