Fresenius Medical Care 4008 E Technical Manual page 172

Part 4: Calibrate the venous pressure measurement in the air detector
CAL. VEN. P_MODULE
Confirm
key
ven.press: XXX mmHg
The venous pressure transducer
is open to atmosphere
(air detector module)
Readjust the zero-point
potentiometer (P3/LP450) in
the air detector until the
display indicates ±0 mmHg
ven.press: ±0 mmHg
Connect the syringe, which is
connected to the external
reference instrument, to the
venous pressure transducer.
Apply >400 mmHg to
the pressure transducer.
Use the slope potentiometer
(P4/LP450) to set the value of
the external reference
instrument on the display.
Select
(Esc)
key
Note:
Check zero point and slope;
if necessary, repeat the procedure.
Note:
When adjusting the
air detector,
execute the
CAL. VENOUS PRESSURE
menu item.
LP 450
Pot 3
Select
(Esc)
key
Pot 4
Fresenius Medical Care 4008 4/08.03 (TM)
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