Root NIBPT Chapter 16: Service and Maintenance
www.masimo.com 150 Masimo
Power-On Self Test
To conduct a Power-On Self Test
1. Connect Root to AC power, and verify that the AC Power Indicator is illuminated.
2. Power On Root. Within five (5) seconds, all available indicators will illuminate, the
device will emit a tone, and the Masimo logo will display.
NIBP Module Calibration Test
Note: This section is provided as a reference and intended for authorized service personnel
only.
Pass Criteria
International standards for automated NIBP devices require that the maximum static
pressure accuracy shall be ± 3mmHg or 2% or the reading, whichever is greater. This is a
stringent requirement and all test equipment must be in excellent working order to properly
perform this test. It is important to verify the calibration before changing it. Historical data
has shown that the transducers rarely need to be re-calibrated although we still suggest that
the calibration be verified annually.
Equipment
• Calibrated Manometer*
• Pneumatic "T" Adapters
• 500mL bottle or regular-sized cuff wrapped around solid object
• Hand Bulb
• Connection Tubing
*Verify the manometer has been calibrated within the last 12 months. Calibration accuracy
shall be within ±0.02% to ±0.25% FS (Full Scale) and a measurement uncertainty of ±1 LSD
(Least Significant Digit).
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