Page 7.2
SCHILLER AT-2 6-Channel ECG Unit
SERVICE HANDBOOK Issue 2.1 November 1998
Chapter 7
Technical Data
Technical Data
Technical data subject to change without notice.
Dimensions: 400 x 330 x 100 mm
Weight: 4.25 kg ( 5.05 kg with full paper tray)
Mains Supply: 100 to 115 / 220 to 240 VAC, 50/60 Hz
Battery: Built-in 12 V lead-acid battery (rechargeable)
Battery Capacity: 6 hours normal use - 300 printouts
Power Consumption: Recording: 28 VA max
Leads: Standard / Cabrera
Paper Speed: 5 / 25 / 50 mm/s (direct)
Sensitivity: 5 /10 / 20 mm/mV, either automatically adjusted or manually
selected
Chart Paper: Thermoreactive - Z-folded, 210 mm wide, perforation 280
mm
Printing Process: High-resolution thermal print head, 8 dots per mm
Recording Tracks: 6 channels, positioned at optimal width on 200 mm, automatic
baseline adjustment
Automatic Lead Programs: 6 channel representation of 12 simultaneously acquired
standard leads
Data Record: Listing of ECG recording data
Version C: ECG measurement results (intervals, amplitudes,
electrical axes), Sokolow Index, average complexes with
optional measurement reference markings, and interpretation.
ECG Storage: Memory for 10 s, 12 lead ECG
Circular input memory for 10 s, 12-lead ECG.
Frequency Range of Digital Recorder: 0 to 150 Hz (IEC)
0 to 150 Hz (AHA)
ECG Amplifier: Simultaneous, synchronous registration of all 9 active
electrode signals (= 12 standard leads)
Sampling frequency: 1000 Hz
Digital resolution: 5 µV
Dynamic range: ± 10 mVAC
Max. electrode potential: ±300 mVDC
Time constant: 3.2 s
Frequency response: 0.05 to 150 Hz (-3 dB)
Input impedance: > 10 MOhms
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