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TDLAS | Tunable Diode Laser Spectroscopy

  • ICI’s Tunable Diode Laser Absorption Spectrometer (T.D.L.A.S.) is an innovative long-range detector which allows methane gas (CH4) to be detected at distances of up to 50 m at as little volume as 1 pmm.m.
  • Methane leaks are located by pointing the laser beam towards the suspected leak, or along the survey line.
  • Detects methane by emitting infrared light and examining reflected light density.
  • Our T.D.L.A.S. system is ideal for use in industrial, commercial and research environments where it can be fixed mounted or attached to an aerial vehicle.

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  • Intrinsically Safe
  • Ultra Low Power Consumption
  • Detection distance up to 50 m
  • High Stability
  • Fast Response
  • Tunable diode laser spectroscopy
  • Target Gas: Methane (CH4)
  • Measurement Range: 0 pmm.m – 40,000 pmm.m
  • Detection Distance: 0.5 m (1.6’) – 50 m (164’)*
  • Minimum Resolution: 1 ppm.m
  • Response Time: 0.5 seconds
  • Operation Range: -20 °C to 50 °C
  • Storage Range: -40 °C to 60 °C
  • Power Consumption: 3.5 W Max.
  • Working Voltage: 4.2 – 5 VDC
  • Communication Port: Uart 3.3 V TTL
  • Basic Tolerance: ± 10% @1000 pmm.m
  • USB 2.0 for Power & Data
  • Weight: 664 g
  • Dimensions (without lens): 92 mm x 92 mm x 116 mm
    (H x W x D ± 0.5 mm)
  • Operating Pressure: 68 kPa – 115 kPa
  • Max Operating Humidity: 98%


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