Rad-97 Service Manual Chapter 5: Performance Verification Procedures
Masimo Corporation 55 www.masimo.com
Noninvasive Blood Pressure Module Tests
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).
Procedure
1. Connect the manometer (A), 500mL bottle (B) or cuff wrapped around solid object (C), and hand bulb (D) to the NIBP module (E) using "T" adapters and
connection tubing.
2. Power ON the manometer.
• Verify the manometer has been zeroed.
• Set the unit of measurement to mmHg.
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