Bacharach PCA3 Spécifications télécharger pdf (Page 78)

PCA



3 Manual

78 0024-9473 Rev 4

Figure 6-10. NO Sensor Calibration

5. Adjust regulator for a flow meter indication of approximately 2  SCFH.

Wait until the measured reading stabilizes (approximately 3  minutes),

and then press ENT to calibrate the NO 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 WARN

ING 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.

6.10. NO

Sensor Calibration

This procedure spans the optional nitrogen dioxide sensor to a known gas

level.

6.10.1. Material Required

•

Calibration Kit (P/N 0024-7059)

•

Gas Cylinder (100 ppm NO

in Nitrogen, P/N 0024-1157)

6.10.2. Procedure

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

CALIBRATION LIST screen (refer to Calibration on page 66).

2. Use the ▲▼ buttons to highlight NO

, and then press ENT to display

the CALIBRATE NO

screen.

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Bacharach PCA3 Spécifications Page 78