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The dEMG System is specially designed to record the motor unit action potentials in the surface EMG signal. The system applies sophisticated artificial intelligence algorithms to extract these action potentials from the sEMG signal in a process referred to as EMG decomposition, dEMG. The end result provides a window into the neural activity that regulates muscle contractions.

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dEMG Technology



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System Requirements

Minimum Recommended
Operating System
64-bit Windows Vista 64-bit Windows 7
2 GHz Dual Core 3 GHz Quad Core (Intel® i7)
4 GB 8 GB
Hard Drive
250 GB 1 TB
Monitor Resolution
1280 x 1024 1920 x 1200
Graphic Card
256 MB of VRAM 1 GB of VRAM
Windows Experience Index
4.0 5.5



Array Sensor
Inter-Electrode Spacing 5 mm
Case Dimension 41 x 20 x 5 mm
Number of Channels 4 single differential EMG channels
Cable Length 1.67 m
Case Material Polycarbonate plastic
Input Module
Dimensions 89 x 83 x 32 mm
Weight 100 g
Cable Length 7.62 m (up to 15 m)
Cable Diameter 6.5 mm
Bagnoli™ Amplifier
Number of Channels 16 analog
dEMG Sampling Rate 20 kHz
dEMG Amplification 1000 ± 1%
Overall Amplification per Channel 0, 100, 1000, 10000, Custom (AUX setting)
Max Output Voltage Range ± 5 V
Channel Frequency Response 20±5 to 450±50 Hz, 80 dB/decade
System Noise (R.T.I.) ≤ 1.2 µV (rms)
Channel Output Isolation 3750 V (rms) for the specified bandwidth
Output Signal Connectors 16 BNC connectors
68-pin 0.05’’ pitch high-density D-Sub male
Signal Quality Check Line Frequency Interference (50 or 60 Hz)
Channel Saturation Check (± 4.8 V threshold)
Signal Quality Warnings Yellow LED
Selectable Audio Buzzer
Operating Temperature 15° C to 40° C
Case Dimensions 406 mm x 152 mm x 70 mm
Weight 2.1 kg
Power Requirements 2500 mW (± 6 V)


Signal Quality Check Integrated, automatic
Method of Motor Unit Measurement Non-invasive
Supported Force Range >0% – 80% Maximal Voluntary Contraction
Supported Force Rate 5%-20% MVC/s
Supported Constant-Force Duration 10-52 s
Supported dEMG Sensors Up to 2
Supported sEMG or Auxiliary Sensors Up to 8
Supported Feedback Mode Force or EMG Root-Mean-Square Biofeedback
Minimum sEMG Signal-to-Noise Ratio 3:1
Minimum Begin and End Baseline Duration 3 s
Motor Unit Data Visualization MU action potential shapes
MU firing instances
Decomposition accuracy
MU firing rates
Statistical Analysis Inter-pulse intervals
Firing normality
Firing stationarity
Regression Analysis Firing rates
Recruitment thresholds
Inter-pulse intervals
Compliance Check Integrated, automatic
Data Visualization Up to 20 data sets at a time
Data Export Text Files