1. Recording method: 12 lead synchronous continuous
2. Number of leads: 12
3. Recording time: > 24 hours
4. Power supply: One No. 5 battery
5. Amplifier frequency response range: 0.5-100HZ
6. Input impedance > 2.5M .
7. Loop current 0.1 A.
8. Sensitivity control: 10mm/mV, with an error of 士 5%.
9. Noise level 15 u Vp-p。
10. Common mode rejection ratio: > 60dB.
11. Amplitude frequency characteristic: Based on 10Hz, it should be (0.5~75Hz)+0.4db -3.0dB.
12. Low frequency characteristics: The time constant should be ≥ 3.2s.
13. Baseline drift: ≤lmm.
14. Temperature drift: within the
temperature range of 5 ℃ to 40 ℃,
The average baseline drift is ≤ 0.5mm/℃