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8.3.3 Flow Calibration ‘ FLoW’
1. Use the ‘
▲
’ up or ‘
▼
’ down buttons to select the flow calibration ‘ FLoW’ submenu and press ‘
✓
’ to accept.
2. The flow icon with the dot at the bottom starts flashing in order to tell the user that the unit is ready to read
the zero flow offset.
3. The inhibit ‘
’ icon is also displayed indicating that no alarm outputs will be generated during this process.
4. Press ‘
✓
’ to confirm and the icon goes steady and a count down from 10 is shown as the zero flow offset
is read.
5. The display will show the flashing flow icon with the dot 1/4 ways up to tell the user to set the set point
1flow (350 cc/min).
6. Press ‘
▲
’ up or ‘
▼
’ down keys to adjust the reading on the external flow meter to the setpoint 1 target value.
(NOTE: The reading must be +/- 50 cc/min of target to be accepted).
7. Press ‘
✓
’ to confirm and the target value flashes.
8. Press ‘
▲
’ up or ‘
▼
’ down to enter the actual value read on the external flow meter.
(NOTE: Holding down the button will increase the increment speed).
9. Press ‘
✓
’ to confirm and the icon goes steady and a count down from 10 is shown as the setpoint 1
value is read.
10. The display will show the flashing flow icon with the dot 3/4 ways up to tell the user to set the set point
2 flow (650 cc/min).
11. Press ‘
▲
’ up or ‘
▼
’ down keys to adjust the reading on the external flow meter to the set point 2 target value.
(NOTE: The reading must be +/- 50 cc/min of target to be accepted).
12. Press ‘
✓
’ to confirm and the target value flashes.
13. Press ‘
▲
’ up or ‘
▼
’ down to enter the actual value read on the external flow meter.
(NOTE: Holding down the button will increase the increment speed).
14. Press ‘
✓
’ to confirm and the icon goes steady and count down from 10 is shown as the setpoint 2 value
is read.
15. If successful the display shows UPdt (update) and the flow calibration is complete.
16. Press ‘
▲
’ up or ‘
▼
’ down to select another submenu.
17. Press ‘X’ to return to set-up, calibration and test menu selection.
8.3.4 mA Calibration ‘mA 4-20’
1. Use the ‘
▲
’ up or ‘
▼
’ down buttons to select the mA calibration ‘ mA4-20’ submenu and press
‘
✓
’ to accept.
2. The display shows 4.00 mA indicating that the analog output should be reading 4 mA
3. The inhibit ‘
’ icon is also displayed indicating that no alarm outputs will be generated during this process.
4. Use the ‘
▲
’ up or ‘
▼
’ down buttons to adjust the analog output to read 4.00 mA.
5. Press ‘
✓
’ to accept.
6. The display will show 20.00 indicating that the analog output should be reading 20 mA
7. Use the ‘
▲
’ up or ‘
▼
’ down buttons to adjust the analog output to read 20.00 mA.
8. Press ‘
✓
’ to update the changes (UPdt displayed) and return to step 1.
9. Press ‘
▲
’ up or ‘
▼
’ down to select another submenu.
10. Press ‘X’ to return to set-up, calibration and test menu selection.
11. Press ‘X’ again to return to normal operation.