T-I MAX AIR CH4

CRDS Laser-Based Analyzer

    DETECTION CAPABILITY

    Detection and Matrix                  Range          LDL (3σ)       Precision (1σ) @ zero
    Low-Range Model      
    CH4 in Clean Dry Air (CDA) 0 – 25 ppm 1.5 ppb 0.5 ppb
    CH4 in N2 0 – 25 ppm 1.5 ppb 0.5 ppb
    CH4 in Ambient Air 0 – 25 ppm N/A N/A
    High-Range Model      
    CH4 in Clean Dry Air (CDA) 0 – 100 ppm 7.5 ppb 2.5 ppb
    CH4 in N2 0 – 100 ppm 7.5 ppb 2.5 ppb
    CH4 in Ambient Air 0 – 100 ppm N/A N/A
    Upper range available as high as
    1000 ppm on request
         

    SPECIFICATIONS

    Performance
    Operating range See Detection Capability table
    Detection limit (LDL, 3σ/24h) See Detection Capability table
    Precision (1σ, greater of) ± 0.75% or 1/3 of LDL
      (equivalent to 15 ppb over 24 h at typical ambient CH4 levels)
    Accuracy (greater of) ± 4% or the LDL
      (equivalent to 80 ppb over 24 h at typical ambient CH4 levels)
    Speed of response 3 minutes to 95%
    Environmental conditions 10°C to 40°C, 30% to 80% RH (non-condensing)
    Storage temperature -10°C to 50°C
    Gas Handling System and Conditions*
    Wetted materials 316L stainless steel, 10 Ra surface finish
    Gas connections 1/4″ male VCR inlet & outlet
    Leak tested to 1 x 10-9 mbar l / sec
    Inlet pressure 0 – 15 psig (1 – 2 bara)
    Outlet pressure Vacuum (<10 Torr)
    Flow rate ∼1 slpm
    Sample gases Ambient air, clean dry air (CDA) and N2
    Gas temperature Up to 60°C
    Dimensions, H x W x D
    Standard sensors 8.73″ x 8.57″ x 23.6″ (222 mm x 218 mm x 599 mm)
    Sensor rack (fits up to two sensors)            8.73″ x 19.0″ x 23.6″ (222 mm x 483 mm x 599 mm)
    Weight
    Standard sensor 33 lbs (15 kg)
    Electrical and Interfaces
    Platform Max series analyzer
    Alarm indicators 2 user programmable, 1 system fault, Form-C relay
    Power requirements 90 − 240 VAC, 50/60 Hz
    Power consumption 40 Watts max.
    Signal output Isolated 4–20 mA per sensor
    User interfaces 5.7″ LCD touchscreen, 10/100 Base-T Ethernet
      USB, RS-232, RS-485, Modbus TCP (optional)
    Data storage Internal or external flash drive
    Certification CE Mark
    Patents
    U.S. Patent #7,277,177  
       

    *Vacuum source with >2 slpm @ 10 Torr required





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