Fresenius Medical Care 4008 E Technical Manual page 23

Venous pressure system test
Test description:
Verification of the lower limit by checking the venous zero point.
The upper limit is tested by detuning the venous pressure unit in positive direction.
(The venous line clamp is closed during the test.)
Illustration:
LP 632
CPU 2
X632/B27
X631/A20
LP 631
CPU 1
LP 635
(4008 E)
Display
LP 924
(4008 H)
1-16
Fresenius Medical Care 4008 4/08.03 (TM)
X632/C16
X632/C18
X632/C17
X632/B28
X631/A21
LP 630
Mother
board
LP 649
(4008 B)
board
LP 922
(4008 S)
Testgenerierung/Generation of Test
Rueckmeldung/Acknowledgement
LDSA
PV_DET
P_VEN
LP 633
Input
board
X633L/B5
DATA BUS
LP 634
Output
board
X634R/C18
X351/1 X351/2
P VEN
X351/4 X351/10