Digital EMG measuring system Description
Features
- Wire, 4-channel EMG measuring
- Digital EMG system by RS232C-interface
- Real time analysis more than 50 as muscle contraction, Muscle fatigue, SEF, MEF, event-related muscle response
Specifications
|
LXM 1104-RS232 EMG Amp | |
|
Input impedance | |
|
- Differential |
10 12 || 1 ( Ω|| pF ) |
|
- Common mode |
10 12 || 12 ( Ω|| pF ) |
|
Operational input voltage | |
|
- Ordinary voltage |
± 5V |
|
Frequency response, filter bandwidth | |
|
- Lower frequency response |
0.1Hz |
|
- Upper frequency response |
500Hz |
|
- Notch interference filter |
50 dB rejection @ 60 Hz(S/W control) |
|
High CMRR |
106 dB |
|
Low input offset voltage |
± 200 μ V |
|
Low input offset drift |
± 2 μ V/°C |
|
Low input noise |
20nV/ root(Hz) at f = 1kHz (G =100) |
|
Low non-linearity error |
0.001% max |
|
Inst. amp input protection |
Up to ± 40V ( Inst. Amp) |
|
Input signal range (Vpp) |
Above ± 2 μ V |
|
Output signal range (Vpp) |
Below 5V |
|
RS-232C interface | |
|
Sampling rate control |
128Hz, 256Hz, 512Hz (S/W control) |
|
Signal gain control |
15 Stage (software) |
|
A/D converter resolution |
12Bits |
|
Final digital output |
RS-232 serial data |
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