3-Channel Electrocardiograph Features: ● Sharp and Clear 4.3 inch color screen ● 12 lead ECG simultaneously display ● Built-in Database and store more than 1000 pieces of ECG data ● Digital signal processor for filter feature ● Auto-measurement, auto-analysis and auto interpretation functions ● Ergonomic and compact ● Both AC and DC power supply with built-in lithium rechargeable battery Function Parameter ● 4.3 Inch Color display ● Resolution: 320×240 pixels or higher ● Input way: Floating and defibrillation protection ● Lead: Standard 12 leads ● Patient leakage current: <10μA ● Input impedance: ≥100MΩ(10Hz) ● Time constant: ≥3.2s ● CMRR: >123dB ● Filter: AC Filter(AC50/60 Hz), EMG Filter (25 Hz/35 Hz ), DFT Filter, Low-pass Filter ● Recording way: Thermal printing system ● Specification of recording paper: 80 mm(W)×20 m(L) high-speed thermal paper ● Gain control(sensitivity): 2.5, 5,10, 20, 40, 10/5, 20/10mm/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, PR interval, P Duration, QRS Duration, T Duration, QT/QTc interval, P/QRS/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: ±950 mV ● 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 ● Pacing detection channel: all leads ● Accuracy of input signal: ±5%. ● Amplitude quantization: ≤5μV/LSB ● Interchannel time deviation: <100 μs ● Product size: 315mm(L)×210mm(W)×75mm(H) ● Net weight: 1.6kg Operation: ● Environment temperature: 5℃~40℃ ● Relative humidity: 25%~95%(no condensation) ● Atmospheric pressure: 700 hPa~1060 hPa ● Power supply: Voltage: 100-240 V～ Frequency: 50 Hz, 60 Hz Input power: ≤150 VA Battery: 7.4 V, 5000 mAh rechargeable lithium battery Transportation and Storage: ● Environment temperature: -20 ℃～+55 ℃ ● Relative humidity: ≤95% ● Atmospheric pressure: 500 hPa～1060 hPa