Test Filter; Checking Calibration Of The Co; Test Gas - Dräger Babylog VN500 Instructions For Use Manual

Monitoring

Checking calibration of the CO

with test filter
Perform the calibration check of the CO
with test filter in intervals of one month.
Before the check
Prerequisite: Babylog VN500 is switched on and at
least the three-minute warm-up phase for the
CO sensor has elapsed.
2
Perform CO zero calibration in ambient air.
2
Starting the calibration check of the CO
with test filter
Prerequisite: The CO
2
1 Touch the Check sensor (B) tab.
Sensors/Parameters
A
C
2 Remove the sensor from the cuvette and con-
nect it to the test filter (E) on the sensor cable.
E
3 Touch the Filter check (C) button.
Babylog VN500 starts the CO
displays the course and result of the filter check in
the message field (D).
134
sensor
2
sensor
2
sensor
2
(A) page is opened.
D
sensor check and
2
Instructions for Use Infinity Acute Care System – Babylog VN500 SW 2.n
If the check was successful
Babylog VN500 displays the message Filter check
successful. The test value is within the permissible
tolerance.
Fit the CO
2
If the check was not successful
Babylog VN500 displays the message Filter check
failed. The test value is outside the permissible tol-
erance.
Check CO
2
calibration of the CO
Checking calibration of the CO
with test gas
Carry out the check when the test values are not
adhered to during the calibration check of the
CO sensor with test filter.
2
B
The calibration check with test gas can only be car-
ried out after zero calibration has been performed in
ambient air.
CAUTION
For the check and calibration only use a test gas
which consists of CO
deviations of ±0.5 Vol% CO
Before the check
Prerequisite: Babylog VN500 is switched on and at
least the three-minute warm-up phase for the
CO sensor has elapsed.
2
Perform CO
Connecting the test gas supply
The test gas must only consist of CO
1 Use the reusable cuvette from the calibration
set!
2 On the Zero calib. on/off page, select the cu-
vette type Reusable.
sensor back on the cuvette.
calibration with test gas or perform
sensor.
2
and N ! Otherwise display
2 2
may occur.
2
zero calibration in ambient air.
2
2
sensor
2
and N !
2