Bacharach PCA 400, Руководство пользователя

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0024-9551 Revision 1
55
PCA
®
400 User Manual
IMPORTANT : The calibration range is from 9 to 1,500 ppm. An attempt to calibrate
outside of this range will cause the message “Applied Value High” or “Applied Value Low”
appear at the bottom of the screen.
IMPORTANT :
The calibration range is from 9 to 1,500 ppm. An attempt to calibrate
outside of this range will cause the message “Applied Value High” or “Applied Value Low”
appear at the bottom of the screen.
IMPORTANT : The calibration range is from 9 to 1,500 ppm. An attempt to calibrate
outside of this range will cause the message “Applied Value High” or “Applied Value Low”
appear at the bottom of the screen.
9. Enter the H
2
Portion of the Calibration Gas Mixture
Using the touch interface or keypad buttons, enter an applied value which exactly equals
the CO concentration stamped on the CO / H
2
cylinder.
5. Allow Reading to Stabilize
Wait until the measured reading stabilizes (approximately 3 minutes) , and press Save ( ) to calibrate
the CO measured value to that of the applied value. The display will advance to the TEST
GAS CO / H
2
screen.
6. Remove Calibration Cylinder
Turn OFF regulator and remove the 500 ppm CO cylinder.
7. Apply 1,000 ppm CO & 1,000 ppm H
2
to the Sensor
Attach a combination 1,000 ppm CO and 1,000 ppm H
2
cylinder to the regulator of the
calibration fixture.
8. Enter the CO Portion of the Calibration Gas Mixture
Using the touch interface or keypad buttons, enter an applied value which exactly equals
the CO concentration stamped on the CO / H
2
cylinder and press Save ( ) to advance to the
CALIBRATE H
2
screen.
4. Enter Applied Value
Using the touch interface or keypad buttons, enter an applied value which exactly equals
the concentration stamped on the CO cylinder.