• Input circuit : Floating
• Calibrating Voltage: 1mV± 5%
• Input current: < 50μ A
• CMRR: > 103dB
• A/D: 12bit
• Frequency Response: 0.05Hz--150Hz
• Filter: AC 50/60Hz EMG: 35-45Hz
• Skin Voltage Tolerance: ± 300mV
• Sensitivity Setting: 5, 10, 20mm/mV, conversion deviation≤ 5%
• Noisy Level: μ 5Vp-p
• Safety standard: IEC class I, type CF
• Lead selection: Automatic and Manual
• Operation mode: Automatic and Manual
• Display: LCD 160*96,   visual size: 34*60
• Recording system: Thermal-array printing  
• Power supply: AC220± 10%, DC 7.4 lithium battery
• Size: 190*90*40
• Weight: About 800g