Lead

Standard 12 leads.I,II,II,aVr, aVl, aVf, V1 to V6

Input current

less than 1 x 10^-1A

Skin voltage tolerance

+300mV

Patient leakage current

less than 10µV

Calibration voltage

1mV

Frequency response

1-75Hz + 0.4dB - 3.0dB

Time constant

3.2 sec.

Noise level

15 µV(p-p)

Filter

"HUM" 50Hz - 3dB

CMRR

"EMG" 35Hz - 3dB
more than 60dB

Gain control

"2" (20mm/mV) "1"(10mm/mV) "1/2"(5mm/mV)

CRT output

resistance,single endes
less than 100 Ω
voltage 1v/1mV
frequency response 250Hz

Input sensitivity

10mm/1V

Pen deflection and linearity

±20mm 10%

Chart Paper

50mm/20m or 50mm/30m

Paper speed

25mm/sec. 50mm/sec.

Zero position return

0.2mm

Safety requirement

in comformity with safety standard BC9706.1, Class 1, Type B

AC power

220V±22V 50Hz±1Hz

DC power

0.5 hour continuous operation

Charging time

10 hours

Ambient temperature
and hunidity

5 - 40 C 10 - 95% RH at work
0 - 50 C 10 - 95% RH in storage

Dimensions

330 x 285 x 85 mm

Weight

less than 5kg

Power consumption

30W