Fresenius Medical Care 4008 S Service Manual

Chapter 9: Calibration / adjustment
Fresenius Medical Care 4008 S (Version V10) SM-EN 7/01.13 9-11
9.1.11 Without menu display: Calibrating the Single-Needle blood pump
(Single-Needle pressure) (optional)
Set the hex switch on P.C.B. LP 624 (pos. 1) to position F.
If the error message E02 appears on the blood pump display, reset it with the Start/Stop key.
Single-Needle pump: the lower switching point is fixed (75 mmHg).
– the upper switching point depends on the stroke volume, see table below:
Stroke volume (ml) 10 15 20 25 30 35 40 45 50
Upper switching point
(mmHg) ±7 mmHg
110 130 150 172 195 219 244 270 299
Connect the syringe, which is
connected to the external
reference instrument, to the
SN pressure transducer.
Apply exactly 250 mmHg
to the pressure transducer.
Check the SN stroke volume.
Set stroke volume,
e.g. 30 ml.
Finally return the
hex switch
to position 3.
Then select
SN.BP-Rate CHECK
If the switching points are
outside the tolerance range,
repeat the calibration procedure.
Using a syringe and the external
reference instrument, check
the lower (fixed to 75 mmHg) and
the upper switching point.
(Depending on the stroke
volume selected, the upper
switching point can be found
in the table).
Acknowledge by pressing
the Start/Stop key on the
SN blood pump.
The values are stored.
Press the Start/Stop key
on the SN blood pump.
The SN pressure transducer
is open to atmosphere
(SN blood pump).

Fresenius Medical Care 4008 S Specifications

General

Brand	Fresenius Medical Care
Model	4008 S
Category	Medical Equipment
Language	English