Simple ECG Specifications

Specifications:
Certifications	US FDA510(k), CE 0197, Canada
Input impedance	> 10M ohm
Input dynamic range	+/- 2 mV
Bandwidth	0.15 - 40 Hz
CMRR (Common Mode Rejection Ratio)	> 95 db
A/D conversion	12 bits
Sampling frequency	-250 samples/s
Measurement time	~30 seconds
Display	240 x 128 LCD display panel
Input	Dry conduction electrodes and/or external auxiliary electrodes
Output	USB interface
Software	Compatible with Windows 98/98 SE/2000/XP
Please note:	The software we provide is not compatible with Macintosh
Power Supply	1.5V (AAA) x 2
Size	124 x 78 x 22 mm
Weight	150g (Not including batteries)
Measurement Range:
Average heart rate	45 to 180 bpm
ST value	3 to +3 mm
QRS interval	< 0.20 sec

Parameters	Reference Range
Average Heart Rate	60 < HR < 100 bpm
ST Segment (ST)*	-2 < ST < +2mm
QRS Interval (QRS)*	0.08 sec < QRS < 0.12 sec
PR Interval	0.12 ~ 0.20 sec
QT/QTc	0.32 ~ 0.44 sec/0.41 ~ 0.44 sec

*HR, ST and QRS are viewable on the monitor of the device. PR and QT/QTc are provided in the analysis software after the data has been downloaded to the computer.

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