APOA-370

Ambient Ozone Monitor

The APOA-370 continuously monitors atmospheric ozone concentrations using a cross flow modulated ultraviolet absorption method. The APOA-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 continuously monitoring and instantaneously analyzing gases in their unaltered state, has been a preferred method for monitoring the atmospheric pollution.

 

 

Segment: Process And Environment
Division: Ambient
Base product
Manufacturing Company: HORIBA, Ltd.

• Cross-flow modulated ultra-violet absorption detector; Low range: 0-0.1 ppm F.S.
• Heated de-ozonizer removes any O3 in the reference gas to:
- Reduce interference
- Eliminate moisture interference
- Prolong life-cycle of the UV lamp
• Only inert materials (glass or PTFE) contact sample.

 

 

Principle

Non dispersive ultra-violet-absorption method (NDUV)

Application

O3 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. 0.7 L/min

Indication

Measured value, range, alarm, maintenance screen

Alarms

During AIC, zero calibration error, span calibration error, temperature error in ozone separator, light intensity error, 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

** Certified to U.S. EPA Reference Method EQOA-0506-160

AP-370 Series Brochure English
CategoryDocuments
Size 1.01 MB
FiletypePDF

Product Variants

OZGU-370SE
MoreOZGU-370SE
Ozone Transferstandard

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