product id: 105247
The Panametrics CGA 351 oxygen analyzer utilizes an advanced zirconia sensor to accurately determine oxygen content in process gases. Microprocessor-based electronics allow the Panametrics CGA 351 oxygen analyzer to take measurements from ppm levels to 100 percent oxygen.
The Panametrics CGA 351 oxygen analyzer is suitable for monitoring and/or controlling gas streams or atmospheres such as in air separation, heat treating, ceramic manufacturing, and other processes. For dirty or wet gas applications, a suitable sampling system may be required.
Sample gas enters the Panametrics CGA 351 oxygen analyzer's inlet port through a needle valve and flows into a ceramic inlet tube. It then flows through the annular space between the inlet tube and the inside of the zirconium oxide oxygen sensor, then out through the outlet port and a flowmeter. When there are no combustibles present in the sample gas, the analyzer measures total oxygen. Then combustibles are present, a platinum based catalyst, at the end of the ceramic tube, ensures that the sample reaches equilibrium before contacting the inner electrode. It is therefore possible to measure either oxygen excess or deficiency in air/fuel mixtures.
The Panametrics CGA 351 oxygen analyzer's zirconium oxide sensor is heated and closely controlled at 700°C (1292°F). As the sample contracts the inner electrode of the heated sensor, an electrical signal is generated, proportional to the logarithm of the ratio of the oxygen concentration in the sample gas to the oxygen concentration in a reference gas contacting the outer electrode. The Panametrics CGA 315 oxygen analyzer's electronics displays O2 in ppm or percent. It also displays other parameters including O2 sensor millivolts and sensor temperature in °C or °F. Ambient air is used as the reference gas on the outside of the electrochemical cell.
The full-featured Panametrics CGA 351 oxygen analyzer is typically used in applications such as:
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