Comen N10 - Page 250

Product Specifications
II-4
interval range
Width range (ADU)
70ms~120ms
Width range (NEO/PED)
40ms~120ms
No response for the signals
below:
a) Signals with amplitude (p-v RTI) ≤ 0.15mV
(except PED mode);
b) Signals with 1mV amplitude and 10ms width
(except NEO/PED mode).
Trigger amplitude
200µV (lead II)
Power frequency tolerance
>100µV (p-v)
Drift tolerance
Triangle wave amplitude (p-v
RTI)
4mV
QRS wave amplitude (p-v
RTI)
0.5 mV
QRS wave amplitude width
100ms
QRS wave repetition-rate
80bpm
Input dynamic range
Input signal amplitude
±8mV
RTI
320mV/s
DC offset voltage
±850mV
Output signal variation
±10%
Attenuation before no-
display
Not lower than 50%
System noise
≤25µV (Vpp)
Multichannel crosstalk
<5%
Gain
1.25 mm/mV (×0.125), 2.5 mm/mV (×0.25), 5 mm/mV (×0.5), 10 mm/mV (×1),
20 mm/mV (×2), 40 mm/mV (×4) or Auto, error: <±5%.
Variation range of sensitivity (when ±850mVd.c. offset voltage is applied): ±5%.
Gain change per minute
≤0.66%/min
Gain change per hour
No more than ±10%
Frequency response
In Surgery mode: 1 Hz-20 Hz (-3.0dB~+0.4dB);
In Monitor mode: 0.5Hz-40 Hz (-3.0dB~+0.4dB).
In Diagnosis mode: 0.05Hz-150 Hz (-3.0dB~+0.4dB);
In ST mode: 0.05Hz-40Hz (-3.0dB~+0.4dB).
Sweep speed
6.25 mm/s, 12.5 mm/s, 25 mm/s, 50 mm/s;
error: no more than ±10%
Output display
Channel width
Min. 30mm
Aspect ratio
0.4s/mV
Accuracy of signal
reproduction
Total error: ±20%or ±100µV, whichever is greater
Frequency response established by method A and D
Calibration signal
1mV; error: ±5%
Common mode rejection
a) In Diagnosis mode: >90dB;
b) In Monitor mode: >106dB;