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OA Series O2 Analyzer

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Description:

The OA series portable analyzer is a cost effective solution in a small package for oxygen measurement and control applications.  It is compact, cheap and easy installation and designed to provide the trained operator with useful information relating to the concentration of oxygen in non-flammable gases and non-hazardous area.  Its microprocessor based main board can offer accuray measure ppm or percent range oxygen.   It is ideally suited for measuring trace or high levels of oxygen in applications including High Purity Welding, Solder Reflow, Metal Annealing, semiconductor furnaces, glass manufacture, inert atmosphere chambers, and nitrogen or oxygen generators.

 


Advantage:

Caution:

Compact, easy installation

Never expose the Analyzer to flammable gases.

Long life zirconia sensor

Please keep the sampling flow at calibration rate.

Five to ten years expected operational life

It need be recalibrated if the background gas were not nitrogen.

Sensor will not dry out or freeze

Calibrated by graphical software via RS-485

Please keep the instrument in good air ventilation.

Flow meter with needle valve

Low maintenance

 

Low cost

 

Optional sampling pump

 

Specification

Model

OA-201

OA-301

OA-401

OA-502

OA-601

Measuring Range

0-100 ppm

0-1000ppm

0-10000 ppm

0-25%

0-100%

Sensor Type

Zirconia Oxygen Sensor

Accuracy

±2% Full Scale

Response Time

Approximay 6 sec. for T95

Operating Flow Rate

1 l/min

Operating Temperature:

0° to 45° C (32 ‑ 113° F)

Operating Humidity:

0‑90% Non‑condensing

Operating Pressure

1 BarA

Max. Pressure Resistance

3 BarG (without Pump) or 0.5 BarG (with Pump)

Calibration@ 1 l/min

Span/ Zero Gas (2 points)

Analog Output

4-20mA or 20-4mA Selectable (0-10V/ 10-0V optional)

Alarm Contact

1 Dry Contact, High/ Low Selectable

Warming Up

200 sec. at Room Temperature (25

Digital Interface

RS485 for Calibration/ Setting

Calibration/ Setting Software

Included with RS485 to USB Converter

Power

90-250VAC

Power Consumption

Maximum 0.

 

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