Gima ECG90A Manuel D'utilisation page 8

1.3.7 Time constant: ≥3.2s
1.3.8 CMRR: >105 dB
1.3.9 Filter: power frequency(AC50/60 Hz), myoelectricity(25 Hz/35 Hz (-3 dB)), baseline drift
filter
1.3.10 Recording way: Thermal printing system
1.3.11 Specification of recording paper: 50 mm(W)×20 m(L) high-speed thermal paper
1.3.12 Time base selection(paper speed):
12.5 mm/s, 25 mm/s, 50 mm/s, error: ±5%
1.3.13 Gain control(sensitivity): 5, 10, 20 mm/mV, accuracy is ±2%; Standard sensitivity: 10
mm/mV±0.2 mm/mV
1.3.14 Auto record: record setup according to auto record format and mode, automatically
change leads, automatically measure and analyze.
1.3.15 Rhythm record: record setup according to rhythm record format and mode, automatically
measure and analyze.
1.3.16 Manual record: record according to manual record format.
1.3.17 Measurement parameters: HR, P-R interval, P Duration, QRS Duration, T Duration, Q-T
interval, Q-Tc, P Axis, QRS Axis, T Axis, R(V5) amplitude, S(V1) amplitude, R(V5)+S(V1)
amplitude
1.3.18 Product safety type: Class I type CF defibrillation-proof applied part
1.3.19 Polarization resistance voltage: ±610 mV
1.3.20 Noise level: ≤12 µVp-p
1.3.21 ECG signal input sampling frequency: 32 kHz
1.3.22 Waveform data processing sampling frequency: 1 kHz
1.3.23 Sampling precision: 24-bit
1.3.24 Pacing detection channel: standard II
1.3.25 The minimum detection signal: 10 Hz, 20 µV(peak-peak value) deflected sinusoidal
signal can be detected
1.3.26 Dimension: 207 mm(L)×96 mm(W)×62 mm(H)
1.3.27 Net Weight: 0.5 kg
1.3.28 Accuracy of input signal: ±5 %
1.3.29 Amplitude quantization: ≤5µV/LSB
1.3.30 Interchannel time deviation: <100 µs
1.3.31 Fuse specification: 2 AC delay insurance: T2A 250V
1.4 Main Characteristics
1.4.1 Display with 320×240 dots, high-resolution color LCD, operate either by touch screen or
function buttons, which is convenient and quick.
1.4.2 Sync collection for 12-lead ECG, use digital signal processing technology to conduct AC
filter, baseline filter and EMG filter on ECG signals, in order to get high-quality ECGs.
1.4.3 Display of 3/6/12-lead ECG on one screen, and print mode, sensitivity, paper speed, filter
state and other information, which facilitates comparative diagnosis.
1.4.4 The device can be powered either by AC or DC(can adapt to 50/60Hz AC frequency), with
built-in rechargeable lithium battery and charging circuit, perfect battery overcurrent and
overvoltage protection circuit.
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