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4.2.5 NIBP Requirements
4.2.5.1
NIBP Calibration Check
Note: Proceed to section 4.2.6 if NIBP system has already been calibrated and checked in accordance with
section 3.4.1.
The linearity and calibration for both pressure transducers (PT1 and PT2) shall be verified from 0 to 290
mmHg, the tolerance shall be ? 3 mmHg across the whole range.
Set up unit and calibration kit as per diagram on page 41.
Switch UUT on.
Enter Service mode as detailed in section 3.3.2.
Select NIBP from sub menu.
Select CHECK from sub menu.
Apply the following pressures as measured by your Pressure Gauge and confirm that the DINAMAP
Compact readings are as per the following table for both PT1 and PT2 channels.
Applied Pressure mmHg (mBar)
0
(0)
58 (77.3)
116 (155)
174 (232 )
232 (309)
290 (387)
If the Calibration Check is satisfactory continue from section 5.2.6 otherwise refer to section 3.4.2 of this
Manual if calibration is required.
4.2.5.2
Pressure System Leakage Test.
Apply a pressure of 200mmHg (267mBar) to the DINAMAP
Confirm that after 36 seconds the pressure has not dropped by more than 5mmHg (6.66mBar).
4.2.5.3
Overpressure Limit Tests
Proceed to section 4.2.6 if NIBP system has already been calibrated and checked in accordance with
section 3.4.2.
4.2.5.3.1
Neonate Overpressure Limit Check
Enter Super Service Mode as detailed in section 3.3.2.
Select NIBP from Super Service Test menu.
Select VSENSE from sub menu.
Select VAL2 from sub menu.
Increase applied pressure until overpressure failsafe occurs.
Confirm the following:
Pressure at failsafe point is between 150mmHg to 165mmHg (200mBar to 220mBar)
The system pressure falls to less than 20mmHg (26.6mBar) within 4 seconds.
Switch off UUT.
54
PT1 & PT2 Linearity Check Table
™
DINAMAP
™
Compact UUT Measured Pressure
mmHg
0 -0,+3
58 ? 3
116 ? 3
174 ? 3
232 ? 3
290 ? 3
COMPACT unit using the NIBP calibration kit.
™
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