Open Access
Table 2
Working information of equipment and instruments.
| Name | Measuring range | Precision | Sample frequency |
|---|---|---|---|
| Mechanical testing machine | 0–1 KN | 10−3 KN | 50 Hz |
| Adjustable pressure pump | 0–0.023 MPa | 10−3 Mpa | |
| Self-made barometric gauge | 0–0.1 MPa | 10−3 Mpa | 50 Hz |
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