Gas analyzer 700 FTIR

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Product overview
The 700 FTIR analyzer delivers fast, accurate measurement of virtually any gas within an infrared absorption spectrum. Based on Fourier Transform Infrared (FTIR) spectroscopy, non-symmetrical gas-phase molecules absorb IR light, causing molecular bonds to stretch, bend or rotate; this absorption is used to measure and quantify several chemical components simultaneously.

Features and benefits

• Fast and simultaneous measurements of up to 20 parameters
• Designed to measure wet and corrosive sample gases, including trace concentrations
• Suitable for hot/wet measurement of soluble gases such as HCl, HF, NH3
• Excellent calibration stability
• Automatic correction of spectral interferences
• High accuracy and reliability
• Rugged design; insensitive to vibrations
• Low maintenance required

Main applications

• Process control
• Stack gases (CEM/MACT)
• VOC abatement / scrubber efficiency monitoring
• Vehicle emissions
• Ammonia slip monitoring
• Gas purity analysis
• Agricultural emissions
• Greenhouse gas monitoring
• Biomass / landfill gas analysis
• Beverage CO2 analysis
• Combustion efficiency monitoring
• DRE — Destruction/Reduction Efficiency performance monitoring
• Custom applications

Technical information (table)
Analysis Method: Fourier Transform Infrared (FTIR)
Components: Multiple gases
Path Length: 10.2 m
Volume: 550 cm3
Dimensions (in.): 19W x 11H x 28D
Maximum Resolution: 0.8 cm-1
Gas Cell Temperature: 50°C or 191°C
Flow Rate Range: 1 – 10+ lpm
Recommended Flow Range: 3.5 lpm
Best Fit: PPB to low % levels
Repeatability: Generally within 1% at 100 times LOD
Zero drift: ± 1% of F.S.
Span drift: ± 1% of F.S.
Linearity: 10,000 times LOD or better
Lower detectable limit: Low to mid level ppb
Response time: 10 seconds
Interferometer resolution: 0.8 cm-1
Measurement cell: 316 SS
Power supply: 115/230 VAC, 50-60 Hz
Digital outputs: Modbus TCP/IP, 0-10 VDC, 4-20 mA
Weight: 100 lbs (46 kg) approximate
Operating temperature: 50°C or 191°C
Reference laser: Diode
Source: Silicon Carbide

Technical characteristics / specifications

• Analysis method: Fourier Transform Infrared (FTIR)
• Multi-component capability: measures up to 20 parameters simultaneously
• Path length: 10.2 m
• Measurement volume: 550 cm3
• Measurement cell material: 316 stainless steel
• Gas cell temperature options: 50°C or 191°C
• Flow rate range: 1 – 10+ lpm (recommended 3.5 lpm)
• Response time: 10 seconds
• Lower detectable limit: low to mid ppb
• Maximum resolution / interferometer resolution: 0.8 cm-1
• Repeatability: typically within 1% at 100x LOD
• Zero / span drift: ±1% of full scale
• Linearity: up to 10,000 times LOD
• Power supply: 115/230 VAC, 50–60 Hz
• Digital outputs: Modbus TCP/IP, 0–10 VDC, 4–20 mA
• Weight: ~100 lbs (46 kg)
• Reference laser: diode; source: silicon carbide