SPECIFICATIONS
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21-22-0335 Rev D
Page 37 of 40
9. SPECIFICATIONS
ECG AND HR
Table 9 indicates the Specifications associated with ECG and HR Parameter.
DEVICE MARKINGS
Type CF Equipment (Defibrillation-proof)
ECG
3 wire ECG connector
GENERAL
Patient Populations
Adult and Pediatric
Accessories
3-lead cable
Input Connector
7-pin connector
Displayable Leads
3-lead cable: I, II, III
HR Resolution
1 bpm (beats per minute)
Measurement Range
15 to 300 bpm
Measurement Accuracy
±2 bpm or ±1%, whichever is greater
Response Time
Per IEC 60601-2-27, change from 80 to 120 bpm: < 7 seconds
Per IEC 60601-2-27, change from 80 to 40 bpm: < 11 seconds
Report Interval
1 second
HR Averaging Scheme
Average of the 10 most recent, valid R-R intervals, discarding the
shortest and longest interval
Time To Alarm - Tachycardia
IEC 60601-2-27, ECG Complex B1: < 10 sec (5 sec typical)
IEC 60601-2-27, ECG Complex B2: < 10 sec (9 sec typical)
Notch Filter Frequency
50Hz, 60 Hz, Off
Filter Bandwidth
Monitor Mode: 0.67 Hz to 40 Hz (-3 dB)
Diagnostic Mode: 0.05 to 40 Hz (-3 dB)
Dynamic Range AC
±5 mV, per IEC 60601-2-27
Dynamic Range DC
±300 mV, per IEC 60601-2-27
Electrode Impedance
>2.5 MOhm, per IEC 60601-2-27
Defibrillation Protection
Complies with IEC 60601-2-27
Pacer Pulse Detection
Lead I, II or III
Pacer Pulse Rejection
Rejects all pulses of amplitude ±2mV to ±700mV and duration
0.1 to 2 ms, per IEC 60601-2-27, Clause 201.12.1.101.13
Tall T-Wave Rejection
Rejects T-Waves less than or equal to 120% of a 1mV QRS and a Q-T
interval of 350 ms, per IEC 60601-2-27, Clause 201.12.1.101.17
HR Response to Irregular
Rhythm
IEC 60601-2-27, ECG Complex A1: HR is 80 bpm
IEC 60601-2-27, ECG Complex A2: HR is 65 bpm
IEC 60601-2-27, ECG Complex A3: HR is 120 bpm
IEC 60601-2-27, ECG Complex A4: HR is 91 bpm
Active Noise Suppression
RL drive (< 5 µA)
Pulse Tone
Yes
Standards Conformance
IEC 60601-2-27, ECG Monitoring
Table 9: ECG & HR Specifications
