RAS AL KHAIMA, uae, United Arab Emirates

APNA-370 Ambient NOx Analyzer

APNA-370 Ambient NOx Analyzer

APNA-370 Ambient NOx Analyzer
The APNA-370 continuously monitors atmospheric NOX, NO2, and NO 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.


• The APNA-370 uses a combination of the dual cross flow modulation type chemiluminescence principle and the referential calculation method.
• This gives it the advantages of the single-detector method plus the ability to do continuous measurements of NOX, NO, and NO2. The design gives great stability and extremely high sensitivity (0.1 ppm F.S.)
• Standard equipment includes a drier unit with an automatic recycle function to provide dry ambient air as the ozone source. This makes long-term continuous measurements possible.
• The detector uses a silicon photodiode sensor to reduce size and prolong working life.
• All the necessary features are built right into a single rack-sized unit, including a reference-gas generator, an ozone-source drier unit, an ozone decomposer, and a sampling pump. No supplemental gas is required.

  • Series : APNA-370
  • Sample gas flow rate : Approx. 0.8 L/min
  • Repeatability : ±1.0% of F.S.
  • Power : 100/110/115/120/220/230/240 VAC, 50/60 Hz (to be specified)

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Contact Details


AL JAZEERA AL HAMAR, RAK, RAS AL KHAIMA, Uae - 00971, United Arab Emirates