183-047 Просмотр технического описания (PDF) - Unspecified

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183-047

Zirconia Oxygen Analyzer

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Introduction

December 2004

The Model CGA 351 monitors the oxygen content of any clean and

dry gas stream. The analyzer can accurately measure oxygen levels

from 0.1 ppm to 100% O2, and can even measure oxygen content in

reducing gases. This is accomplished with a precision, temperature-

controlled, zirconium oxide (zirconia) oxygen sensor.

The standard CGA 351 analyzer is supplied in a pair of stainless steel,

Nema 4X/IP66 enclosures mounted side-by-side on a metal plate with

a 40” flexible conduit connecting the two. This compact, wall-

mounted system includes the following components:

• a sensor enclosure, which contains the oxygen sensor, sensor

furnace, thermocouple, inlet port with needle valve, outlet port

with flowmeter, and interconnecting cable(s), and

• an electronics enclosure, which contains the temperature control

circuitry, output signal processing circuitry, digital display, user

interface, and wiring terminal strips.

The CGA 351 analyzer is also available in optional enclosures. See

Appendix C for more information.

General Information

Figure 1-1: Standard CGA 351 Analyzer

1-1

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