| Parameter |
Specifications |
| Leads |
Standard 12-wire ECG |
| Input Type |
Floating input with defibrillation protection |
| Patient Leakage Current |
< 10 μA |
| Input Impedance |
≥ 5 MΩ |
| Frequency Response |
1 Hz ~ 75 Hz |
| Time Constant |
> 3.2 s |
| CMRR |
> 60 dB |
| EMG Noise Filter |
25 / 35 Hz (-3 dB) |
| Recording Method |
Thermal array printing system |
| Recording Paper Width |
210 mm / 216 mm thermal paper |
| Automatic Recording Speed |
25 mm/s, 50 mm/s (Error: ±5%) |
| Rhythm Recording Speed |
25 mm/s, 50 mm/s (Error: ±5%) |
| Manual Recording Speed |
5, 6.25, 10, 12.5, 25, 50 mm/s (Error: ±5%) |
| Sensitivity Selection |
2.5, 5, 10, 20, 40 mm/mV (Error: ±5%)
Default Sensitivity10 mm/mV ±0.2 mm/mV
Auto Recording ModeAuto format setting with auto lead switching, measurement, and analysis
Manual Recording ModeManual lead selection and measurement line adjustment
Measurement ParametersHR, PR Interval, P Duration, QRS Duration, T Duration, QT Interval, QTc, P Axis, QRS Axis, T Axis, R(V5), S(V1), R(V5)+S(V1)
Safety ClassificationClass I, Type CF Defibrillation-Proof Applied Part
DC Polarization Voltage±300 mV
Noise Level≤15 μVp-p
Fuse Specifications2 × φ5×20 mm AC slow-blow fuse; T1.6A/250V
Power SourceAC 100–240V, 50/60Hz; DC 7.4V 3700mAh Rechargeable Lithium Battery
Operating Temperature+5°C ~ +35°C
Operating Humidity≤80% RH
Operating Atmospheric Pressure86 kPa ~ 106 kPa
Storage Temperature-10°C ~ +55°C
Storage Humidity≤95% RH
Storage Atmospheric Pressure50 kPa ~ 106 kPa