
Root
Chapter 13: Service and Maintenance
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138
Masimo
Overpressure Test
Note:
This section is provided as a reference and intended for qualified service professionals
only.
Pass Criteria
International standards for automated NIBP devices require that the pressure must not
exceed 300 mmHg on adults and pediatric patients and 150 mmHg on neonatal patients
with a tolerance of 10% for 15 seconds or greater than 10% for 3 seconds. The overpressure
pass criteria for the Advantage module are:
Adults, Pediatrics 300 ± 10mmHg
Neonates 150 ± 5mmHg
Test Method
The steps outlined below are for manually performing an overpressure test. Some or all of
these steps may be incorporated into a service tool provided by the medical device
manufacturer.
1.
Connect a manometer, volume and hand bulb to Module using "T" adapters.
2.
Touch the "Test" button on the display.
3.
Increase the pressure to approximately 250mmHg using the hand bulb.
4.
VERY SLOWLY increase the pressure from 280 to the overpressure point. Once it is
reached, the valves will open and the pressure will rapidly reduce to 0mmHg.
5.
If one of the overpressure values is not within the pass criteria above, return the
module for service to an authorized service center.
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