Mortara Surveyor S4, Service Manual, Page: 58 / 67

DEVICE SPECIFICATIONS
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Power Requirements & Battery
Disposable Battery Type Three (3) AA alkaline batteries
Disposable Battery Life 12 Hours
Rechargeable Battery Type Rechargeable Lithium-Ion battery pack
Rechargeable Battery Run-Time 20 Hours
Battery Charging Time 8 Hours
ECG Specifications
ECG
12-lead ECG with specific Signal Acquisition Module (SAM10)
7-lead ECG with specific Signal Acquisition Module (SAM 5)
Simultaneous Leads
Available
10-wire: I, II, III, aVR, aVL, aVF, V1, V2, V3, V4, V5, V6
5-wire: I, II, III, aVR, aVL, aVF, V
3-wire: I, II, or III
Acquisition Rate: 40,000 samples/s. for pacemaker detection, 500 samples/s. for analysis
Resolution: .117µV originally, reduced to 2.5 µV for processing and transmission
Dynamic Range ± 350mV
ECG Gain ½x, 1x, 2x
Trace Speed slow, normal, fast
CMRR: According to applicable standards (IEC 60601-2-25 and/or IEC 60601-2-27)
Pacemaker Spikes When used with 4-wire, 5-wire or 10-wire ECG cable detect and report pacemaker
spikes up to 2 ms duration with 1 samples precision
Max. Auxiliary Patient
Current:
< 10 µA
Frequency Response: 0.05 to 150 Hz
Input Impedance: >2.5 M Ω at 10 Hz
Electrodes: Compatible with Ag/AgCl disposable electrodes
HR Report from the Central
Station Less than one second. Heart rate is only available when the S4 is actively
communicating with the Central Station.
Minimum QRS Amplitude: 160µV
Recovery from
Defibrillation Discharge
Less than 5 seconds, compliant with IEC 60601-2-25 and/or IEC 60601-2-27.