Tunable Diode Laser (TDL) Gas Analyzers
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    Tunable Diode Laser (TDL) Gas Analyzers

    Reliable, low-maintenance gas measurement in situ and in extractive applications

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    Tunable Diode Laser Gas Analyzers from METTLER TOLEDO

    Interference-free, drift-free tunable diode laser technology offers better process control and lower maintenance costs.

    However, for reliable measurement with a tunable diode laser gas analyzer, or TDL gas analyzer for short, sometimes the required framework conditions such as minimum optical path length, the availability of a purge gas supply and/or maximum dust load get in the way. 

    Acknowledging these constraints, METTLER TOLEDO has developed specific process interface solutions that substantially increase the coverage of possible tunable diode laser gas analysis applications. 

    Based on the folded optical path principle, METTLER TOLEDO’s range of compact tunable diode laser spectrometers and unique process adaptions, for process, safety, combustion, and vapor recovery applications are essential instruments for improving your processes:

    • Versatility in monitoring your process
    • Simplicity to ease field operations
    • Performance that gives you a leading edge

    METTLER TOLEDO's unique process adaptions, make it possible to use a TDL gas analyzer in applications previously considered impossible for an in situ TDL analyzer.

    		 
    Measure Where it Matters
    Eliminate the Need for Alignment
    Tangible Performance, Minimal Maintenance
     
    Products and Specs
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    Short description
    Effective path length
    Lower Detection Limit
    Short descriptionExceptional ease of use and almost zero maintenance
    Effective path lengthProbes: 100, 200, 400 mm (3.94", 7.87", 15.75")
    Wafer cell: 50, 80, 100 mm (1.96", 3.15", 3.94")
    Extractive cell: 200, 400, 800, 1000mm, 10m.
    Lower Detection Limit100 ppm-v
    Measurement range0-100%
    Accuracy2% of reading or 100 ppm O2, whichever is greater
    LinearityBetter than 1%
    Resolution<0…01% vol O2 (100 ppm-v)
    DriftNegligible (<2% of measurement range between maintenance intervals)
    Sampling rate1 second
    Response time (T90)O2 in N2 21% >0% in <2sec
    Repeatability±0,25% of reading or 0,05% O2 (whichever is greater)
    Process pressure range0.8 bar - 5 bar (abs)/11.6 psi - 72.52 psi (abs)
    Process temperature range0-250 ºC(32-482 ºF)
    Optional(for probe instalation) 0-600 ºC (0-1112 ºF) with additional thermal barrier
    Short descriptionExceptional ease of use and almost zero maintenance
    Effective path lengthProbes: 100, 200 400 mm (3.94”, 7.87”, 15.75”)
    Wafer Cell: 50, 80, 100 mm (1.96”, 3.15”, 3.94”)
    Extractive cell: 200, 400, 800, 1000mm.
    Lower Detection Limit0.6ppm-v
    Measurement range0-1%
    Accuracy2% of reading or 1000 ppm, whichever is greater
    LinearityBetter than 1%
    Resolution0.6 ppm-v
    DriftNegligible (< 2% of measurement range between maintenance intervals)
    Sampling rate1 second
    Response time (T90)HCl in N2 1% to O% in < 4 sec
    Repeatability± 0.25% of reading or 3 ppm-v HCl(whichever is greater)
    Process pressure range0.8 bar - 3 bar (abs)/ 11.6 psi - 43.5 psi (abs)
    Process temperature range0 – + 250 °C (+ 32 –+ 482 °F) Optional (for probe installation) 0 – + 600 °C (0 – +1112 °F) with additional thermal barrier,
    0 – + 150 °C (+ 32 –+ 302 °F) (White cell)
    Short descriptionExceptional ease of use and almost zero maintenance
    Effective path lengthProbes: 100, 200 400 mm (3.94”, 7.87”, 15.75”)
    Wafer Cell: 50, 80, 100 mm (1.96”, 3.15”, 3.94”)
    Extractive cell: 200, 400, 800, 1000mm.
    Lower Detection Limit20 ppm-v
    Measurement range0-50%
    Accuracy2% of reading or 1000 ppm, whichever is greater
    LinearityBetter than 1%
    Resolution20 ppm-v
    DriftNegligible (< 2% of measurement range between maintenance intervals)
    Sampling rate1 second
    Response time (T90)H2S in N2 1% to O% in < 4 sec
    Repeatability± 0.25% of reading or 100 ppm-v H2S (whichever is greater)
    Process pressure range0.8 bar - 2 bar (abs)/ 11.6 psi - 29 psi (abs)
    Process temperature range0 – + 250 °C (+ 32 –+ 482 °F) Optional (for probe installation) 0 – + 600 °C (0 – +1112 °F) with additional thermal barrier,
    0 – + 150 °C (+ 32 –+ 302 °F) (White cell)
    Short descriptionExceptional ease of use and almost zero maintenance
    Effective path lengthProbes: 100, 200, 400 mm (3.94", 7.87", 15.75")
    Wafer cell: 50, 80, 100 mm (1.96", 3.15", 3.94")

    Extractive cell: 200, 400, 800, 1000mm, 10m
    Lower Detection Limit1 ppm-v
    Measurement range0-20,000 ppm (0-2%)
    Accuracy2% of reading or 1 ppm, whichever is greater
    LinearityBetter than 1%
    Resolution1 ppm-v
    DriftNegligible (<2% of measurement range between maintenance intervals)
    Sampling rate1 second
    Response time (T90)CO in N2 300 ppm-v to 0% in <4 sec
    Repeatability±0,25% of reading or 5 ppm-v CO (whichever is greater)
    Process pressure range0.8 bar - 2 bar (abs)/11.6 psi - 29. psi (abs)
    Process temperature range0-250 ºC(32-482 ºF)
    Optional(for probe instalation) 0-600 ºC (0-1112 ºF) with additional thermal barrier
    Short descriptionExceptional ease of use and almost zero maintenance
    Effective path lengthProbes: 100, 200, 400 mm (3.94", 7.87", 15.75")
    Wafer cell: 50, 80, 100 mm (1.96", 3.15", 3.94")

    Extractive cell: 200, 400, 800, 1000mm, 10m
    Lower Detection Limit5 ppm-v
    Measurement range0-200,000 ppm (0-2%)
    Accuracy2% of reading or 10 ppm, whichever is greater
    LinearityBetter than 1%
    Resolution5 ppm-v
    DriftNegligible (<2% of measurement range between maintenance intervals)
    Sampling rate1 second
    Response time (T90)H2O in N2 1% to 0% in <4 sec
    Repeatability±0,25% of reading or 50 ppm-v O2 (whichever is greater)
    Process pressure range0.8 bar - 2 bar (abs)/11.6 psi - 29. psi (abs)
    Process temperature range0-250 ºC(32-482 ºF)
    Optional(for probe instalation) 0-600 ºC (0-1112 ºF) with additional thermal barrier
    Short descriptionExceptional ease of use and almost zero maintenance
    Effective path lengthProbes: 100, 200, 400 mm (3.94", 7.87", 15.75")
    Wafer Cell: 50, 80, 100 mm (1.96", 3.15", 3.94")

    Extractive cell: 200, 400, 800, 1000mm, 10m
    Lower Detection Limit1500 ppm-v
    Measurement range0–100%
    Accuracy2% of reading or 1500 ppm, whichever is greater
    LinearityBetter than 1%
    Resolution1500 ppm-v
    DriftNegligible (< 2% of measurement range between maintenance intervals)
    Sampling rate1 second
    Response time (T90)CO in N2 300 ppm-v to 0% in < 4 sec
    Repeatability± 0.25% of reading or 0.75%-v CO (whichever is greater)
    Process pressure range0.8 bar – 1.5 bar (abs)/ 11.6 psi – 21.7.psi (abs)
    Process temperature range0 – + 250°C (+ 32 –+ 482 °F) Optional (for probe installation) 0 – + 600 °C (0 – +1112 °F) with additional thermal barrier,
    0 – + 150 °C (+ 32 –+ 302 °F) (White cell)
    Short descriptionExceptional ease of use and almost zero maintenance
    Effective path lengthProbes: 100, 200, 400 mm (3.94", 7.87", 15.75")
    Wafer Cell: 50, 80, 100 mm (1.96", 3.15", 3.94")
    Extractive cell: 200, 400, 800, 1000mm, 10m
    Lower Detection Limit1000 ppm-v
    Measurement range0–100%
    Accuracy2% of reading or 1000 ppm, whichever is greater
    LinearityBetter than 1%
    Resolution1000 ppm-v
    DriftNegligible (< 2% of measurement range between maintenance intervals)
    Sampling rate1 second
    Response time (T90)CO2 in N2 1% to O% in < 4 sec
    Repeatability± 0.25% of reading or 5000 ppm-v CO2 (whichever is greater)
    Process pressure range0.8 bar – 2 bar (abs)/ 11.6 psi – 29.psi (abs)
    Process temperature range0 – + 250 °C (+ 32 –+ 482 °F) Optional (for probe installation) 0 – + 600 °C (0 – +1112 °F) with additional thermal barrier,
    0 – + 150 °C (+ 32 –+ 302 °F) (White cell)
    Short descriptionExceptional ease of use and almost zero maintenance
    Effective path lengthProbes: 100, 200, 400 mm (3.94", 7.87", 15.75")
    Wafer Cell: 50, 80, 100 mm (1.96", 3.15", 3.94")


    Extractive cell: 200, 400, 800, 1000mm, 10m
    Lower Detection Limit1000 ppm-v (CO2)
    1500 ppm-v (CO)
    Measurement range0–100%(CO2 and CO)
    Accuracy2% of reading or 1000 ppm, whichever is greater
    LinearityBetter than 1%
    Resolution1000 ppm-v
    DriftNegligible (< 2% of measurement range between maintenance intervals)
    Sampling rate1 second
    Response time (T90)CO2 in N2 1% to O% in < 4 sec
    Repeatability± 0.25% of reading or 5000 ppm-v CO2 or CO (whichever is greater)
    Process pressure range0.8 bar – 2 bar (abs)/ 11.6 psi – 29.psi (abs)
    Process temperature range0 – + 250 °C (+ 32 –+ 482 °F) Optional (for probe installation) 0 – + 600 °C (0 – +1112 °F) with additional thermal barrier,
    0 – + 150 °C (+ 32 –+ 302 °F) (White cell)
    Comparison
     
     
     
     
     
     
     
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