Gambro AK 95 S, Service Manual

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AK 95 / AK 95 S Service Manual
HCEN 9138 Rev. 10.2005
Calibrations
1. Disconnect tube no. 23909 at the HPG
pressure transducer, see fig. below.
2. Plug the left side of the HPG pressure
transducer. Use a plug and a stright silicon
connector from the calibration kit.
3. Connect the Gambro reference instrument
to the right side of HPG pressure trans-
ducer via the calibration tube set.
4. Zeroset the reference instrument, wait for
stable reading.
5. Start the AK 95 S, enter the Service
menu and select Calibrations .
6. Select Transducer , External and
HPG PRESSURE TRANSDUCER
from the selection diagram.
7. Press to confirm the selected trans-
ducer.
8. Apply zero pressure by opening the two
clamps A and B on the calibration tube
set. Set the “REF SET” value on the
AK 95 S to 0 mmHg.
9. Press to enter the setting.
10. Close clamp A. Apply a pressure of approx.
-500 mmHg, shown on the reference
instrument. Close clamp B.
11. Set the “REF SET” value on the AK 95 S
to the reading on the reference instrument
and press twice.
12. Open clamp A and B, then close clamp A
again. Apply a pressure of approx. +500
mmHg, shown on the reference instru-
ment. Close clamp B.
13. Set the “REF SET” value on the AK 95 S
to the reading of the reference instrument
and press .
14. Press
START
UF
STOP
to load the calibration values
into the EEPROM.
HPG Pressure Transducer Calibration
15. When the EEPROM storage is ready,
press to exit.
If a calibration error occurs:
• Try to do the calibration again.
• If the error occurs a second time:
Change the transducer and the transducer
board.
Report to your Gambro service representa-
tive the error message on the error dis-
play.
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