​​​​​​​Technical Specifications
Input mode: Floating & defibrillation protected
Frequency response: 0.05Hz–150Hz
Time constant: ≥3.2 seconds
Input impedance: ≥50MΩ
Sampling frequency: 1000Hz
Sampling accuracy: 12-bit
Sensitivity: 2.5, 5, 10, 20, 40 mm/mV ±5% (Standard: 10mm/mV ±2%)
Noise level: <15µV p-p
Patient leakage current: <10µA
Input circuit current: ≤50nA
Calibration voltage: 1mV
CMRR: >60dB (normal), >100dB (with filter)
EMG filter: 25Hz / 35Hz (-3dB)
Power frequency filter: AC 50/60Hz (-20dB)
Paper size: 80mm × 20m
Paper speeds: 5–100 mm/s (Auto, Manual, Rhythm)
Safety classification: Class I, type CF, defibrillation-proof
Measurement parameters: HR, PR, QRS, QT, QTc, Axis values, RV5, SV1, RV5+SV1