Page 7.2
SCHILLER AT-2plus 6-Channel ECG Unit
SERVICE HANDBOOK Issue d May 2002
Chapter 7
Technical Data
Technical Data
Technical data subject to change without notice.
Dimensions: 400 x 330 x 100 mm
Weight: 5.0 kg ( 5.35 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: 4 hours normal use - 300 printouts
Power Consumption: Recording: 40 VA max
Leads: Standard / Cabrera
Paper Speed: 5 / 10/ 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 / 200 dots per inch (amplitude axis)
40 dots per mm / 1000 dots per inch (time axis 25mm/s)
Recording Tracks: 6 channels, positioned at optimal width on 200 mm, automatic
baseline adjustment
Automatic Lead Programs: Printout of all 12 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: Circular input memory for 10 s, 12-lead ECG.
Memory Option: Memory for ca. 45 ECG recordings with transmission facilities
over an RS-232 interface.
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: ±9.5 mVAC
Max. electrode potential: ±300 mVDC
Time constant: 3.2 s
Frequency response: 0.05 to 150 Hz (-3 dB)
Input impedance: >2.5MOhms at 10Hz
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