Gambro AK 95 S, Service Manual

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AK 95 / AK 95 S Service Manual
HCEN 9138 Rev. 10.2005
Calibrations
13. Set the “REF SET” value on the AK 95 S to
the reading on the reference instrument
and press .
14. Press
START
UF
STOP
to load the calibration values
into the EEPROM.
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.
1. Disconnect tube no. 50 at the Expansion
chamber. Connect the Gambro reference
instrument to tube no. 50 via the calibra-
tion tube set. Use the angled-silicone
connector from the calibration kit.
2. Disconnect tube no. 11 at the degassing
chamber or at the outlet of the flow pump
and plug the silicone connector. Use a plug
from the calibration kit.
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
DEGASSING 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 o 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 instrument. Close
clamp B.
Degassing Pressure Transducer Calibration
to tube 50