Bacharach Portable Combustion Analyzer Spécifications télécharger pdf (Page 77)

PCA



3 Manual

0024-9472 Rev 3 77

NOTE: The calibration range is from 250 to 11,000 ppm.

An attempt to calibrate outside this range will cause the

message “Bad Calibration Wrong CAL Entry” to appear in

the following step.

Figure 6-13. CO

HIGH

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 CO 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.

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.

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Bacharach Portable Combustion Analyzer Spécifications Page 77