Research Article
Validity and Reliability of the Newly Developed Surface Electromyography Device for Measuring Muscle Activity during Voluntary Isometric Contraction
Table 3
Technical specifications of newly developed sEMG device (PSL-EMG-Tr1; PhysioLab Co., Ltd., Busan, Korea) and BTS-FREEEMG (BTS-FREEEMG1000; BTS Bioengineering, Milan, Italy).
| | | PSL-EMG-tr1 | BTS-FREEEMG1000 |
| | | | |
| | Price | ∼$500 USD | ∼$25,000 USD |
| | Dimensions (mm) | 48 L × 93 W × 15.5 H
Lead wire length
1,100 mm (main 500 mm; branch 600 mm) | EMG probes:
41.5 L × 24.8 W × 14 H main electrode Ø 16 × 12 satellite electrode | | USB receiver: 82 L × 44 W × 22.5 H | | Charger: 350 L × 185 W × 20 H |
| | Weight (g) | EMG device: 47 g
Lead wire: 41 g | EMG probes: 10 g | | USB receiver: 80 g | | Charger: 1450 g |
| | Channels | 1 channel | Up to 10 wireless probes | | Bandwidth (Hz) | 3–2,000 | 25–500 Hz | | Gain (V/V) | 25 | 2,000 | | Sampling rate (Hz) | 30,000 | 1,000 | | Common mode rejection (dB) | 73 | 92 |
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