Patient Parameter Specifications
Appendix
6 - 12
0070-10-0666-01
Trio™ Operating Instructions
NIBP Measurement Cycle
There are two different modes of measurement operation: manual and interval modes.The
manual mode requires the operator to initiate the measurement cycle.The interval mode
follows a configured plan of automatically initiated measurement cycles.
The Maximum Measurement Cycle Duration is 180 seconds for Adult and Pediatric patients.
In interval mode and manual mode, the unit adjusts the inflation pressure according to the
previous systolic pressure. After the first successful measurement is made, the subsequent
inflation pressure b50 ±10 mmHg above the previous systolic pressure
measurement.
6.2.7
IBP Parameter Sub-System Performance Characteristics
The
Trio
monitor is capable of providing invasive blood pressure (IBP) measurements from a
maximum of 1 IBP channel.
The IBP channel will provide three pressure readings: systolic, diastolic, and mean pressures.
6.2.8
IBP Safety Requirements
The IBP function meets the safety requirements of EN 60601-2-34.
6.2.8.1
IBP Performance Requirements
Accuracy:
± 1 mmHg or 2% which ever is greater
(excluding transducer error)
Excitation:
5 Volts DC, +/-2% Minimum load resistance
is 300 ohms per transducer.
Transfer Function:
Is compatible with 5
μ
V/mmHg/Volt
nominal excitation transducers. Impedance
range 300 – 3000
Ω
.
Zero Offset Range:
The transducer zero offset range is ± 200
mmHg.
Zero Accuracy:
The zero accuracy is ± 1 mmHg.
Linear Input Range:
-50 to +300 mmHg, after zeroing.
Noise:
<0.5 mmHg RTI, DC to 15 Hz, 300
Ω
source impedance.
Drift:
<0.15 mmHg per degree Celsius. ± 1
mmHg over 24 hours.
Frequency Response:
DC to 16 Hz +/- 1 Hz, -3 dB
Resolution:
1 mmHg
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