Eco Physics Inc.

- Model CLD 780 TR - Tropospheric Research Gas Analyzer

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The NO analyzer for scientific research of the free troposphere. Specially designed to rapidly detect very low NO/NOx concentrations in the range of parts per trillion, the CLD 780 TR is a tailor-made solution for aircraft and vertical flux measurements.

  • Range: 100 ppb – 50 ppm
  • Minimum Detectable Concentration: 0.4 ppb
  • Parameters: NO / Nox

Performance

  • Sensitivity: 50 ppt in 3 sec. / 10 ppt in 60 sec.
  • Noise at zero (1σ):
  • Detection limit: 3 ppt
  • Integration interval: selectable: 0.1…999
  • Rise time (0-95%):
  • Zero drift: non (pre chamber)
  • Linearity deviation:
  • Interferences: HC’s, NH3, NOY non

Operating specifications

  • Ranges: 5, 10, 50, 100, 500 ppb
  • Outputs
    • serial: RS232
    • analog :1V, 10V, at >500 kΩ
    • 4-20 mA at
  • Temperature range: 5-50°C
  • Humidity tolerance: 5-95% rel. humidity
  • Gas flow
    • sample: 3 l/min NPT
    • O2: 330 ml/min NPT
    • dry air :
  • Reaction chamber pressure: 14 mbar
  • PMT cooling temp.: <-15°C
  • Sample inlet temp.: 60°C regulated
  • Operating voltage:
    • standard: 28 VDC ±1%
    • optional: 24 VDC ±1%
  • Power requirements: 200 W max.
  • Delivery include: NO analyzer with all elec. cables, two silica-gel cartridges.
  • Delivery excludes: Vacuum pump, vacuum tubing and ozone destroyer

Physical characteristics

  • Dimensions (mm): casing: width: 440 / height: 225 / depth: 420 / front:  width: 483 /  height: 264 / depth: 4
  • Weight (kg): 35
  • Material:
    • standard: aluminum
    • optional: aerospace aluminum
  • Connections
    • all connections situated on front panel
    • 28 VDC
    • 1x RS232
    • 3x analog output
    • Connection for PLC
    • O2 inlet (1/4” Swagelok)
    • dry air inlet (1/4” Swagelok)
    • sample inlet (1/4” Swagelok)
    • vacuum outlet (DN 16 ISO KF)
  • Options: inlet pressure regulation system (Bypass concept)
  • Increased sensitivity
    • 25 ppt in 3 sec.
    • 5 ppt in 60 sec.
    • NO2 converter
    • PLC 860 (photolytic converter)
  • ECO PHYSICS reserves the right to change these specifications without notice.

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