3-5
3.2.2 NIBP Tests and Calibration
NIBP Accuracy Test
Tools required:
T-shape connector
Appropriate tubing
Balloon pump
Rigid Vessel with volume 500 ± 25 ml
Reference manometer (calibrated with accuracy equal to or better than 0.75 mmHg)
Follow this procedure to perform the test:
1. Connect the equipment as shown below.
2. Before inflation, check that the reading of the manometer should be 0. If not,
open the valve
of the balloon pump to let the whole airway open to the atmosphere. Close the valve of the
balloon pump after the reading is 0.
3. Select [Main Menu]→ [Maintenance >>]→ [NIBP Accuracy Test].
4. Check the manometer values and the monitor values. Both should be 0mmHg.
5. Raise the pressure in the rigid vessel to 50 mmHg with the balloon pump. Then, wait for
10 seconds until the measured values become stable.
6. Compare the manometer values with the monitor values. The difference should be
within ±3 mmHg. If it is beyond ±3 mmHg, calibrate the monitor by referring to NIBP
Calibration.
7. Raise the pressure in the rigid vessel to 200 mmHg with the balloon pump. Then, wait
for 10 seconds until the measured values become stable and repeat step 6.
Monitor
Connector for NIBP cuff
Manometer
Tubing
Balloon pump
Rigid vessel
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