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Enquiry
Portable Gas Monitors
Products/ Portable Gas Monitors
MOdel 84
Special Features
  • Internal data logger (EEPROM)
  • Real time clock
  • Digital & Analog Outputs
  • Three 0-2.5 VDC analog inputs for logging other measurements, such as external temperature,
  • Pressure and humidity
  • Selectable data averaging times of 10 s, 1 min, 5 min and 1 hr
  • DewLine,M for elimination of any water vapor interference
    The Model 400 Nitric Oxide Monitor is designed for the measurement of atmospheric nitric the range of 2-2000 ppbv (2 ppmv).lt is based on Patented NOZONE Technology. oxide (NO) in A Small Concentration of OZONE is added to the sample stream and the resulting decrease of OZON is measured by the absolute method of UV absorption. in concentration
    • Model 84
    Model 400
    Specifications
  • Measurement Principle
    • Titration of NO with Ozone with Detection of Ozone Depletion by UV Absorption at 254 nm
  • Outputs
    • RS-232, Flash Card Option
  • Precision and Accuracy
    • Higher of 2 ppbv or 3% of reading
  • Accuracy
    • 2 ppbv Or 3%
  • Calibration
    • No Cal Gas Required, Annual Calibration
  • Data Storage
    • 14,336 lines (10 s avg. = 1.4 days; 5 min avg = 1.4 mo.)
  • Time/Measurement
    • 10 s (Data averaging options: 10 s, 1 min, 5 min, 1 hr)
  • Sample Flow Rate
    • 1 L/min
  • Data Outputs
    • RS-232, LCD, Flash Card Option
  • Power Requirements
    • 12 V dc or 120/240 V ac, 11 watt
  • Size
    • 3.5 x 8.3 x 11.6 in. (9 x 21 x 30 cm)
  • Weight
    • 2.9 kg Approximately
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