1. Lead: 12-lead synchronous acquisition, display and printing
 
2. Gains: 2.5 mm/mV, 5mm/mV, 10mm/mV, 20mm/mV, AGC, graded gains: 10/5 mm/mV, 20/10 mm/mV
 
3. Digital filter: AC filter: 50Hz/60Hz, EMG filter: 25Hz/35Hz/45Hz, drift filter: 0.05 Hz/0.15 Hz/0.25 Hz/0.50 Hz, low pass filter: 70Hz/100Hz/150Hz
 
4. Calibration voltage: 1mV 1%
 
5. Noise level: ≤ 15uVp-p
 
6. Frequency characteristics: 0.05 Hz-150Hz
 
7. Time constant: ≥ 5S
 
8. Input impedance: ≥ 50 M Ω
 
9. Input loop current: ≤ 50 nA
 
10. Resistance voltage: 650mV
 
11. Total simulation ratio: ≥ 105 dB
 
12. Rhythmic lead mode: single channel and three channels are selected, and 12 leads per channel are optional.
 
13. Recording speed: 5mm/s, 10mm/s, 12.5 mm/s, 25mm/s and 50mm/s.
 
14. Recording paper: Support roll paper/folding paper: Specification: 210mm, and has output printing formats such as 12x1, 6x2, 6x2 + 1R, 3x4 + 3R, 3x4, one-minute rhythm lead, average template, automatic analysis, Chinese automatic diagnosis report, etc. It can record detailed information such as lead mark, gain, paper feeding speed, patient information and analysis report.
 
15. 5.7 "LCD with backlit buttons
 
16. AC and DC dual-purpose, built-in environmentally friendly and durable lithium battery, which can work continuously for more than 2 hours.
 
17. 12-lead waveform can be stored in the last 2 minutes.
 
18. As many as 122 arrhythmia types were analyzed.
 
19. It can store and play back the data of 300 patients, and expand the memory capacity through U disk.
 
20. It has lead connection schematic diagram, which can accurately judge the electrode with poor contact and prompt the information of each lead falling off.