Teledyne 356WA Calibration DataCalibration Data, Calibration DataCalibration Data Calibration Data

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AppendixAppendix

Appendix Model 356WModel 356W

Model 356WModel 356W

Model 356WAA

Teledyne Analytical Instruments

Calibration DataCalibration DataCalibration DataCalibration DataCalibration Data

RangeRange

Range

The ranges of this analyzer are:

Range Switch Position No. 1 PPM O2

Range Switch Position No. 2 PPM O2

Range Switch Position No. 3 PPM O2

Output SignalOutput Signal

Output Signal

The output signal is D.C.

Background GasBackground Gas

Background Gas

This analyzer is intended to measure oxygen in a background of:

The flowmeter has been set to indicate a flow of 150 cc/min. of this gas.

If any other type of gas is to be analyzed, the flowmeter must be reset for that

gas, using a displacement type flowmeter, when the flow is set to 150 cc/

min.

Cell ClassCell Class

Cell Class:

Electrolyte TypeElectrolyte Type

Electrolyte Type

Type A: 10% potassium hydroxide in distilled water

Type B: 10% potassium carbonate in distilled water

Type C: 20% potassium bicarbonate in distilled water

Calibration ConsiderationsCalibration Considerations

Calibration Considerations

In order to calibrate the Model 356, all that is required is to center the

float of the flow tube in the target, add a known quantity of oxygen (0–100

PPM) via a calibrated span gas and adjust the span potentiometer to match

the known oxygen concentration of the span gas. It should not be necessary

to compensate for changes in altitude or ambient temperature.

The flow tube is a mass flow device and therefore automatically com-

pensates for altitude changes should the instrument be moved to a higher

elevation (in this instance a higher span setting will be required since the

sensing element is sensitive to the partial pressure of oxygen).

The ambient temperature does not affect the flow rate through the

analyzer since the flow tube is located in the same temperature controlled

compartment as the cell assembly.