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
