Qins Instruments
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| Brand | Qins Instruments |
|---|---|
| Origin | Shanghai, China |
| Model | QJWE543L-1 |
| Test Force Range | 2–100% of Full Scale |
| Force Accuracy | ±1% (within 2–100% FS) |
| Dynamic Force Ripple | ≤2% |
| Actuator Stroke | ±50 mm (customizable) |
| Frequency Range | 0.01–80 Hz (standard), extendable to 0.001–1000 Hz |
| Frequency Resolution | 0.001 Hz |
| Control Bandwidth | 10 kHz |
| Waveform Options | Sinusoidal, Triangular, Square, Trapezoidal, Sawtooth, Half-Sine, Half-Triangle, Random, and User-Defined or External Input Waveforms |
| Control Modes | Force, Displacement, and Strain Closed-Loop Control with Seamless Mode Switching |
| Compliance | Designed for ASTM E466, ASTM E606, ISO 1099, and GB/T 3075 fatigue testing standards |