Dimension | 255mm×205mm×65mm |
Weight | about 1.2kg |
Display | 800×480 dots 7 inch color TFT LCD |
Operation | Push button + touch screen |
Environment | transport and Storage | Work |
|
Temperature | -20℃~55℃ | 5℃~40℃ |
Relative humidity | 25%~95% | 25%~85% |
Atmospheric pressure strength | 70kPa ~106kPa | 70kPa ~106kPa |
Power supply | AC power | supply Rated voltage = 90V-240V |
Rated frequency=50Hz/60Hz |
Rated power = 35VA |
DC power supply (built-in rechargeable lithium battery) | Rated capacity = 2200mAh |
Rated voltage = 10.8V |
Discharge termination voltage ≥9V |
Charging mode: constant current/constant voltage |
Charging current (standard) = 0.2C5A (440mA) |
Charging voltage (standard) = (13±0.1V) |
Continuous maximum charging current = 2200mA |
Continuous maximum discharge current = 2200mA |
Cycle life ≥ 300 times |
Power consumption | 35VA (max) |
Fuse specification | T200mA 250V Ø5×20 |
Recorder | Recording method | Thermal dot matrix recording |
Recording paper specifications | Reel thermal recording paper |
Recording paper width | 112mm |
Effective recording width | 105mm |
Paper speed | 10 mm/s, 25mm/s, 50mm/s (±3%) |
Recording accuracy | ±5% (X-axis), ±5% (Y-axis) |
Heart rate calculation | Calculation method | Peak detection |
Heart rate range | 30BPM~300BPM |
Calculation accuracy | ±1 BPM |
ECG host | input method | Floating ground, defibrillation protection, pacing pulse suppression |
Leads Standard | 12 leads, automatic lead change |
Acquisition mode | 12-channel synchronization |
A/D conversion | 12-bit / 16-bit / 24-bit |
Measurement range | > ±5mV |
Time constant | ≥ 3.2s |
Frequency response | 0.05Hz ~ 150Hz |
Sensitivity | 2.5, 5, 10, 20 (mm/mV) |
Input impedance | 50M (10Hz) |
Input loop current | ≤ 50nA |
Input voltage range | < ±5 mVpp |
Calibration voltage | 1mV±3% |
Noise level | < 15Vp-p |
Inter-channel interference | ≤ 0.5mm |
Patient leakage current | < 10A (220V-240V/50Hz) |
Patient auxiliary leakage current | < 0.1A (DC) |
Dielectric strength | 4000V rms |
Filter | AC filtering On/Off |
Baseline drift filtering |
Myoelectric interference filtering 25Hz, 35Hz, OFF |
Low-pass filtering 150Hz/100Hz/75Hz |
Common Mode Rejection Ratio (CMRR) | >100dB |