3 Testing and Maintenance Tests
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Tests
Some of the following testprocedures must be performed in service mode. To enter service mode select
Operating Modes in the main menu. Then select Service Mode and enter the password.
If required, open the screen menu in the monitor info line at the top of the screen and select
Service to access the service screen. This is required particularly for Anesthetic Gas Module testing
procedures.
Visual Test
Inspect the system for obvious signs of damage. Also check external leads and accessories.
The expected test result is pass: the system has no obvious signs of damage.
Power On Test
1 Switch on the monitor and connect the MMS.
2 Observe whether the system boots up successfully and if an ECG wave appears on the screen.
The expected test result is pass: the monitor boots up and displays an ECG wave. The wave might be a
flat line if no simulator is attached.
NBP Tests
This section describes NBP test procedures.The monitor must be in service mode to perform these
tests.
NBP Accuracy Test
This test checks the performance of the non-invasive blood pressure measurement. Connect the
equipment as shown:
Tools required:
• Reference manometer (includes hand pump and valve), accuracy 0.2% of reading.
• Expansion chamber (volume 250 ml +/- 10%)
• Appropriate tubing.
In service mode, the systolic and diastolic readings indicate the noise of NBP channels 1 and 2
respectively. When static pressure is applied, the reading in NBP channel 1 should be below 50. The
value in parentheses indicates the actual pressure applied to the system.
Expansion Chamber
Manometer
To NBP Input
Tubing
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