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Ambient NOx Monitor HORIBA

The APNA-370 continuously monitors atmospheric NO, NO2 and NOx concentrations using a cross-flow modulated semi decompression chemiluminescence method. The APNA-370 employs an independent, internal dry-method sampling device to achieve the highest le

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Description

The APNA-370 continuously monitors atmospheric NO, NO2 and NOx concentrations using a cross-flow modulated semi decompression chemiluminescence method. The APNA-370 employs an independent, internal dry-method sampling device to achieve the highest levels of sensitivity and accuracy. The dry method, due to its minimal maintenance requirements and capability of continuous monitoring and instantaneous analysis of gas in its unaltered state, has been a preferred method for monitoring the atmospheric pollution.

Specification

  • Principle: cross flow modulation type, reduced pressure chemiluminescence (CLD)
  • Application: NO2, NO and NOX in ambient air
  • Range: standard ranges: 0-0.1/0.2/0.5/1.0 ppm; auto range manual range selectable; can be operated by remote switching.
  • Optional (measurable) ranges: 4 ranges selectable from 0-10 ppm, within 10 times range ratio; auto range manual range selectable; can be operated by remote switching.
  • Repeatability: ±1.0% of F.S.
  • Linearity: ±1.0% of F.S.
  • Sample gas flow rate: approx. 0.8L/min
  • Indication: measured value, range, alarm, maintenance screen
  • Alarms: during AIC, zero calibration error, span calibration error, temperature error in converter, etc.; on-screen messages are available in four languages - English, German, French, and Japanese.
  • Input/output: 0-1 V/0-10 V/4-20 mA, to be specified (2 systems: either (1) momentary value and integrated or (2) moving average value)
  • Contact input/output: • RS-232C
  • Power: 100/110/115/120/220/230/240 VAC, 50/60 Hz (to be specified)
  • Dimensions: 430(W) x 550(D) x 221(H) mm
  • Mass: approx. 20 kg,

Services

Atmospheric analysis

Funding Source

Other -
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