4-5
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.
NIBP Overpressure Protection Circuit Test
Tools required:
T-shape connector
Approprating tubing
Balloon pump
Metal Vessel with volume 500 ± 25 ml
Reference manometer (calibrated with accuracy equal to or greater than 1 mmHg)
Follow this procedure to perform a NIBP calibration:
1. Perform procedures 1-4 in the NIBP Accuracy Test section.
2. Select Main Menu
→Maintenance→enter the required password→Factory Maintenance→NIBP.
3. Set Patient Category to Adult/Ped in the Overpressure Protection Circuit Test. Raise the pump pressure to 320-
330 mmHg. After the pressure value is stabilized, select the Test button to start a calibration, and the NIBP menu will
display Test successful, When raise the pump pressure out of the range of 320-330 mmHg, and select the Test
button to, the NIBP menu will display Test Failed.
4. Set Patient Category to Neo in the Overpressure Protection Circuit Test, and raise the pressure to 160-165 mmHg.
After the pressure value is stabilized, select Test to start a calibration. and the NIBP menu will display Test successful,
When raise the pump pressure out of the range of 160-165 mmHg, and select the Test button, the NIBP menu will
display Test Failed.
Hose
Cylinder
Monitor
Cuff
NIBP
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