P1 Patient Monitor User’s Manual
8
A.8 Measurement Specifications
The product shall meet the following measurement specifications. If there is no
special indication, the definition of the index shall preferentially refer to the special
standard of the parameter.
A.8.1 ECG Specifications
A.8.1.1 Standard
Meet standards of IEC 60601-2-27
Meet standards of IEC 60601-2-25
A.8.1.2 Performance indicators
Electrosurgery
protection
Cut mode: 300W
Coagulate mode: 100W
Recovery time: ≤10s
In compliance with the requirements in clause 202.6.2.101 of
IEC 60601-2-27.
Lead-off detection
current
Measuring electrode: <100nA
Driving electrode (RL): <1 uA
Tall T-wave
rejection capability
1.5mV
HR averaging
method
Under normal circumstances, the 12 most recent RR intervals
are averaged to compute the HR.
If the last 3 consecutive RR intervals are greater than 1200ms
(i.e., HR is less than 50bpm), the 4 most recent RR intervals are
averaged to compute the HR.
The HR value displayed on the monitor screen is updated every
second.
Response to
irregular rhythm
Meet the requirements of Clause 201.7.9.2.9.101 b) 4) of IEC
60601-2-27.
The heart rate value displayed after the 20-seconed stabilization
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