1.Input circuit : Floating

2.Calibrating Voltage :1mV±5%

3.Input current :<100nA

4.CMRR :>103dB

5.A/D :12bit

6.Frequency Response: 0.05Hz--150Hz

7.Filter :AC  50/60Hz  EMG:  35-4Hz

8.Skin Voltage Tolerance :±300mV

9.Sensitivity Setting     5 10 20mm/mV,  conversion deviation≤5%

10.Noisy Level :≤15Vp-p

11.Safety standard :IEC class I, type CF

12.Lead selection  :Automatic and Manual

13.Operation mode :Automatic and Manual

14.Display :LCD 160*96 visual size: 34*60

15.Recording system :Thermal-array printing

16.Power supply:  AC220V±10%         DC 7.4 lithium battery

17.Size:190*90*40

18.Weight: 800g