Bacharach Portable Combustion Analyzer Spécifications télécharger pdf (Page 73)

100

PCA

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3 Manual

0024-9472 Rev 3 73

and then press ENT to calibrate the SO

Measured value to that of the

applied value. The message “Good Calibration” should briefly appear

followed by the CALIBRATION LIST screen being re-displayed.

NOTE: If the sensor’s output is low, but still usable, then

the message “Good Calibration WARNING Low Sensor”

will appear. The sensor will now be marked as being Low

in the DIAGNOSTICS screen.

NOTE: If the sensor’s output is too low to be usable, then

the message “Bad Calibration Sensor End of Life, Entry

Not Saved” will appear followed

by the CALIBRATION

LIST screen being re-

displayed. The sensor will now be

marked as being BAD in the DIAGNOSTICS screen.

6. Turn OFF regulator and remove the gas cylinder.

6.9. NO Sensor Calibration

This procedure spans the optional nitric oxide sensor to a known gas

level.

6.9.1. Material Required

•

Calibration Kit (P/N 0024-7059)

•

Gas Cylinder ( 250 ppm NO in Nitrogen, P/N 0024-1156)

6.9.2. Procedure

1. If not already done, turn ON the analyzer and display the

CALIBRATION LIST screen (refer to Calibration on page 62).

2. Use the ▲▼ buttons to highlight NO, and then press ENT to display the

CALIBRATE NO screen.

NOTE:

“Measured” is the current NO reading, while

“Applied” is a known NO level that will be applied for

calibration purposes.

3. Attach a 250 ppm NO cylinder to the regulator of the calibration fixture

shown in Figure 6-12 on page 76.

4. Use the ▲▼ and

◄►

buttons to enter an applied value that exactly

equals the concentration stamped on the NO cylinder.

NOTE: The calibration range is from 9 to 900 ppm. An

attempt to calibrate outside this range will cause the

message “Bad Calibration Wrong CAL Entry” to appear in

the following step.

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Bacharach Portable Combustion Analyzer Spécifications Page 73

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