SPECIFICATIONS
Model 7600/7800 Operation Manual
Cardiotach
Range: 10 to 350 BPM (Pediatric / Neonate)
10 to 300 BPM (Adult)
Accuracy: ±1% ±1 BPM
Resolution: 1 BPM
Sensitivity: 300 µV peak
Heart Rate Averaging: Exponential averaging calculated once a second with a maximum
response time of 8 seconds.
Response Time – Model 7600:
– Change from 80 to 120 BPM: 8 seconds
– Change from 80 to 40 BPM: 8 seconds
Response Time – Model 7800:
– Change from 80 to 120 BPM: 2 seconds
– Change from 80 to 40 BPM: 2 seconds
Response to irregular rhythm: A1: 40 BPM, A2: 60 BPM, A3: 120 BPM, A4: 90 BPM
(According to IEC specification 60601-2-27, 201.7.9.2.9.101-b-4)
Tall T Wave Rejection: Rejects T waves ≤ 1.2 * R-wave
Pacer Pulse Rejection
Width: 0.1 to 2 ms at ±2 to ±700 mV
Overshoot: Between 4 and 100ms and not greater than 2mV.
Fast ECG Signals: 1.73 V/s
Detector Disabling: User selectable.
CAUTION: Pacemaker pulses are not present in any rear panel outputs.
Alarms
High Rate: 15 to 250 BPM in 5 BPM increments
Low Rate: 10 to 245 BPM in 5 BPM increments
Asystole: R to R interval >6 seconds
Lead Off: Detached lead
Check Lead: Imbalance between leads > 0.5V
Time to alarm for Tachycardia:
B1 and B2: < 10 seconds
Note: B1 Half Amplitude produces a LOW SIGNAL warning message
in < 5 seconds (Not an alarm)
(According to IEC specification 60601-2-27, 201.7.9.2.9.101-b-6)
Alarm Sound Pressure Level: 76 dBA (Alarm volume set to Low) to
88 dBA (Alarm volume set to High)
Alarm Tones: Conforms to IEC 60601-1-8:2006 Table 3, High Priority Alarms
Test Mode
Internal:
ECG 1 mV/100 ms referred to input @ 70 BPM
Simulator:
ECG waveform amplitude: 1mV
Simulator Range: 10 – 250 BPM.
Simulator Rate: In steps of 30, 60, 90, 120, 150, 180, 210 and 240 BPM.
Adjustable in increments of 1 BPM.