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E3M is a kind of electrocardiograph, which is able to sample 12 leads ECG signals simultaneously and print out the ECG waveform with thermal printing system. Its functions are as follows: recording and displaying ECG waveform in auto/manual mode; measuring ECG waveform parameters automatically, and automatic analysis and diagnosis; pacing ECG detection; prompt for electrode-off and out of paper; optional interface languages(Chinese/English, etc.); built-in lithium battery, powered either by AC or DC; arbitrarily select the rhythm lead to conveniently observe abnormal heart rate; case database management, etc.
1)Sync collection for 12-lead ECG, adopt digital signal processing technology and get high-quality ECG waveform via power frequency filter, baseline filter and EMG filter of ECG signal.
2)Display of 1/3/6/12-lead ECG, print mode, sensitivity, paper speed and filter state, etc. on one screen, convenient for contrastively diagnosing.
3)Multiply printing modes and formats, including manual, auto 4x3, auto 3x4+1, auto 3x4, auto 2x6+1, auto 2x6, etc. Waveform length printed can be adjusted, and with timed print function, which meets different requirements.
4)With the functions of auto-analysis and auto-diagnosis for routine ECG parameters, which reduces the doctor’s burden.
5)Build-in memory, which is convenient for doctor to review case and statistic.
6)Multi- language(Chinese, English) interface and report.
7)Optional ECG-Sync software, connect with PC by USB2.0 interface to form a ECG workstation, import real-time data to the software for analyzing and report printing, and old cases stored in Electrocardiograph can be uploaded to PC.
8)Power supply: AC/DC and built-in rechargeable lithium battery, which meets the requirements of visiting a patient at home and body examination.
Input way: Floating and defibrillation protection
Lead: Standard 12 leads
Patient leakage current: <10µA
Input impedance: ≥100MΩ(1Hz)
Frequency response:0.01~150 Hz(-3 dB)
Time constant: ≥3.2s
CMRR: >123 dB
Filter: power frequency(AC50/60 Hz), myoelectricity(25 Hz/35 Hz (-3 dB)), baseline drift filter
Recording way: Thermal printing system
Specification of recording paper: 80 mm(W)×20 m(L) high-speed thermal paper
Time base selection(paper speed):6.25 mm/s, 12.5 mm/s, 25 mm/s, 50 mm/s, error: ±5%
Gain control(sensitivity): 2.5, 5, 10, 20 mm/mV, accuracy is ±2%; Standard sensitivity: 10 mm/mV±0.2 mm/mV
Auto record: record setup according to auto record format and mode, automatically change leads, automatically measure and analyze.
Rhythm record: record setup according to rhythm record format and mode, automatically measure and analyze.
Manual record: record according to manual record format.
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
Product safety type: Class I type CF defibrillation-proof applied part
Polarization resistance voltage: ±950mV
Noise level: ≤12 µVp-p
ECG signal input sampling frequency: 32 kHz
Waveform data processing sampling frequency: 1 kHz
Sampling precision: 24-bit
The minimum detection signal: 10 Hz, 20 µV(peak-peak value) deflected sinusoidal signal can be detected
Accuracy of input signal: ±5 %
Amplitude quantization: ≤5µV/LSB
Interchannel time deviation: <100 µs
Calibration voltage：1 mV±2 %
Input circuit current：≤0.01 uA
50Hz interference suppression filter：≥20 dB
Pacing detection channel: all leads
DC: 7.4V/5000mAh rechargeable lithium battery
Degree of protection against ingress of liquid: IPX0
Working mode: continuous working
A lead cable
A limb electrode
A chest electrode
A thermal recording paper
A power cord
An earth wire
A user manual
Relative humidity: 25%~95%(non-condensing)
Atmospheric pressure: 700 hPa~1060 hPa
Transport and storage environment
Temperature: -20 ℃～+55 ℃
Relative humidity: ≤95%
Atmospheric pressure: 500 hPa~1060 hPa
Net weight: 1.5Kg
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