APNA-370

Ambient NOx Monitor

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.

Oddělení: Ambient
Výrobní společnost: HORIBA, Ltd.
Base product: AP-370 Series
  • Continuous NOX, NO, NO2 measurements using a dual cross-flow single chemiluminescence detector and referential calculation.
  • HORIBA original detector (Silicon photodiode sensor) respond to gas concentration quickly .
  • Stable, repeatable measurements; Low range: 0-0.1 ppm F.S.
  • Includes auto-recycle internal drier to make dry air for generating ozone gas
  • Base configuration includes: O3 drier unit, O3 decomposer, reference gas generator and sample pump.

 

Related Applications

Monitoring of Airborne Molecular Contamination in Clean Room of Electronics Industry

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,

** U.S. EPA designation RFNA-0506-157

Monitoring of Airborne Molecular Contamination in Clean Room of Electronics Industry
Monitoring of Airborne Molecular Contamination in Clean Room of Electronics Industry
Monitoring of Ammonia Airborne Molecular Contamination in Semiconductor Fabrication
Monitoring of Ammonia Airborne Molecular Contamination in Semiconductor Fabrication

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