Fresenius Medical Care 4008 E Technical Manual page 171

Part 3: Calibrate the venous pressure
CAL. VENOUS PRESSURE
Select Confirm
(Esc)
key
Venous PRESSURE
Ven. PRESS. CHECK
back to menu ?
4-6
Fresenius Medical Care 4008 4/08.03 (TM)
key
Confirm
key
Confirm
key
Select
(Esc)
key
Confirm
key
Note
Pressure gauge accuracy: ±1 % of the measured value.
ven.press: ±0 mmHg
Activate various pressure
values. The values on the
display, the venous pressure
display and the external
reference instrument must
be identical. Check whether
the scale limits can be
reached.
Tolerance: ±10 mmHg
Select
(Esc)
key
instrument and set the value on the
display by pressing the
Note:
If calibration of this
function is not possible,
the "CAL. VEN. P_MODULE"
mode must first
be performed
in the air detector.
ven.zero.: ±0 mmHg
Venous pressure transducer
at the air detector
open to atmosphere
Override
(Tone Mute)
key
ACKNOWLEDGED
approx. 3 sec
ven.gain.: + 500 mmHg
Connect the external
reference instrument
Apply ≤500 mmHg to the
venous pressure transducer.
Read the external reference
(+/–) keys.
Override
(Tone Mute)
key
DATA STORED
approx. 3 sec
Select
(Esc)
key