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Total Flowrate Check And Adjustment In Purge Mode; Measurement Path Flowrate Check And Adjustment - Philips IntelliVue MP70 Service Manual

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9 Anesthetic Gas Module

Total Flowrate Check and Adjustment in Purge Mode

To make the flowrate measurements and any necessary adjustment:
Enter the service mode of the monitor and let the Philips M1026A Anesthetic Gas Module
1
complete the warm-up phase (the
In the
2
access the
Enter the
3
Select
4
Select
5
Connect a flowmeter to the exhaust port of the Philips M1026A Anesthetic Gas Module.
6
Note the actual flowrate by following the instructions accompanying the flowmeter. If the actual
7
flowrate is outside the tolerance, it must be adjusted. If no adjustments are required, select Stop
Flow Cal .
Total Flowrate in Purge Mode
310 ml/min
8
Remove the Philips M1026A Anesthetic Gas Module top cover (see "The Top Cover" on
Flowrate
page 230)
Adjustment
Correct the flowrate by adjusting potentiometer
9
value is achieved.
10 If you have made adjustments you must save the settings. Therefore select Store Flow Cal and
Flowrate
confirm when prompted.
Calibration
The system then runs through various flowrates and switches the pump off before it saves the
values internally.
The flow display in the Calibration window reflects these changes and the status "Flow Cal
Stored" appears.
11 Disconnect the flowmeter from the exhaust port.

Measurement Path Flowrate Check and Adjustment

The flowrate of the measurement path is checked using a test fixture in the form of a modified
watertrap. In order to perform the flow rate check, the following equipment is required:
• Flow Split Test Tool M1026-60136
• Electronic Flowmeter M1026-60144
Check that the test fixture is still valid for use. It must be less than two years old. The test fixture is
N O TE
1
labelled with a "Received" date that needs to be filled in when the test fixture is received.
The flow value that is labelled on the test fixture is to be used to perform the measurement path
2
flowrate check. It is only valid for this test fixture.
Check the test fixture visually for leaks. Regularly perform a leakage check with the test fixture
3
attached instead of the watertrap. Block both lines (drainage and measurement) at the same time
190
Setup Gas Analyzer
Gas Analyzer Calibration
Setup Gas Analyzer
.
Flow Rate
for purge flow (310 ml/min).
Purge
Checking and Calibrating the Anesthetic Gas Module
INOP disapears).
GA WARMUP
menu select
Service Window
window.
menu and select
Start Flow Cal
Tolerance
+/- 15 ml/min
on the Main PC board until the required
R125
then select
Calibration
.
to

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Intellivue mp60

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