3-7
2. Raise the pressure in the rigid vessel to 250 mmHg with the balloon pump. Then, wait
for 5 seconds to let the measured values becoming stable.
3. Record the current pressure value, and meanwhile use a time counter to count the time.
Then, record the pressure value after 60s.
4. Compare the two pressure values and make sure the difference should not be greater
than 6 mmHg.
NIBP Calibration
Tools required:
T-shape connector
Approprating tubing
Balloon pump
Metal Vessel with volume 500 ± 25 ml
Reference manometer (calibrated with accuracy equal to or better than 0.75 mmHg)
Follow this procedure to perform a NIBP calibration:
1. Perform procedures 1 to 4 in the NIBP Accuracy Test section.
2. Select [Main Menu]→ [Maintenance >>]→ [Factory Maintenance >>]→ enter the
required password→ [Calibrate NIBP >>].
3. Set [NIBP Pressure] to 150 mmHg in the [NIBP Measurement Circuit]. Raise the
pump pressure to 150 mmHg. After the pressure value is stabilized, select the
[Calibrate] button to start a calibration.
5. Set patient category to [Adu/Ped] in the [Overpressure Protection Circuit], and raise
the pressure to 330 mmHg. After the pressure value is stabilized, select [Calibrate] to
start a calibration.
6. Set the patient category to [Neo] in the [Overpressure Protection Circuit], and raise
the pressure to 165 mmHg. After the pressure value is stabilized, select [Calibrate] to
start a calibration.
All calibration results are displayed in the [Calibrate NIBP] menu. If the calibration fails,
check the test system for leakage and perform another calibration.
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