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Low Temperature Pressure Impact Test Equipment IEC60884 Figure 27
Product information:
The specimens are subjected to an impact test by means of an apparatus as shown in figure 27.
The apparatus, positioned on a pad of sponge rubber 40 mm thick, is placed together with the specimens in a freezer at a temperature of (–15 ± 2) °C, for at least 16 h.
At the end of this period, each specimen, in turn, is placed in the normal position of use as shown in figure 27, and a weight is allowed to fall from a height of 100 mm. The mass of the falling weight is (1 000 ± 2) g.
After the test, the specimen shall show no damage within the meaning of this standard.
Technical parameters:
The height of falling: 10~250mm is adjustable.
| Low-temperature impact test sample | Standard | Weight of the drop hammer (g) | The height of the impact mm | Remark |
| The socket box and the similar electrical enclosure | GB2099.1-2008 clause24.4, figure 27 | 1000±2 | 100 | standard |
| The bolt with insulation sheath | GB2099.1-2008 clause30.4, figure 42 | 100±1 | 100 | standard |
| The electric cable with PVC sheath | GB2951.4 clause8.5,figure 2 | 100,200,300,400, 500,600,750,1000,1250,1500g | 100 | Optional |
For the samples of laying of cable, the weight of the drop hammer required are as follows:
| The external diameter of the samples(D/mm) | The weight of the drop hammer /g |
| D≤4.0 | 100 |
| 4.0＜D≤6.0 | 200 |
| 6.0＜D≤9.0 | 300 |
| 9.0＜D≤12.5 | 400 |
| 12.5＜D≤20.0 | 500 |
| 20.0＜D≤30.0 | 750 |
| 30.0＜D≤50.0 | 1000 |
| 50.0＜D≤75.0 | 1250 |
| 75.0＜D | 1500 |
For the samples of flexible cable and telecommunication cable, the weight of the drop hammer required is as follows:
| The external diameter of the sample D/mm | The weight of drop hammer /g |
| D≤6 | 100 |
| 6.0＜D≤10.0 | 200 |
| 10.0＜D≤15.0 | 300 |
| 15.0＜D≤25.0 | 400 |
| 25.0＜D≤35.0 | 500 |
| 35.0＜D | 600 |
