Mindray BeneVision N19, Service Manual

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3-4 BeneVision N22/BeneVision N19 Patient Monitor Service Manual
3.2.2 NIBP Tests
3.2.2.1 Leakage Test
Tools required:
 NIBP cuff for adult patient
 NIBP hose

Cylinder
Follow this procedure to perform the test:
1. Set Patient Category to Adult.
2. Connect the NIBP cuff to the NIBP connector on the patient monitor.
3. Wrap the cuff around the rigid cylinder as shown below.
4. Select Main Menu → Maintenance → enter the required password → Module → NIBP → NIBP Leakage
Test. The message NIBP Leakage Test is displayed in the NIBP parameter area.
5. The cuff automatically deflates after 20s, which means NIBP leakage test is completed.
6. If no message is displayed in the NIBP parameter area, it indicates that the system has no leak. If the message
NIBP Pneumatic Leak is displayed, it indicates that the system may have a leak. In this case, verify the connections
and make sure that the NIBP cuff, hose, and connectors are not leaking. Then, perform the test again.
You can also perform a manual leakage test:
1. Perform steps 1-4 in the NIBP Accuracy Test section.
2. Raise the pressure in the rigid vessel to 250 mmHg with the squeeze bulb. Then, wait for 5 seconds until the
measured values become stable.
3. Record the current pressure value and meanwhile count time with a timer. Then, record the pressure value after
counting to 60 seconds.
4. Compare the two values and make sure the difference is not greater than 6 mmHg.
Hose
Cylinder
Monit
Cuff
NIBP connector