Pendulum Hammer Test Apparatus HC9921
Standard: IEC60884-1 2013 clause 24.1 and figure 22~26, IEC60669-1, IEC60068-2-75
Application: This device is suitable for mechanical strength test to plugs and socket-outlets, surface type mounting boxes, screw glands, gland covers, switch and other electrical accessories for household and similar purposes.
Test sample: plugs and socket-outlets, surface type mounting boxes, screw glands, gland covers, switch and other electrical accessories.
Feature: The mounting bracket can be moved up and down, left and right moving, and the impact angle can be adjusted. The device is a low energy pendulum impact device for 2J and below.
Parameters:
1. Pendulum: Length: 1000mm; external diameter: 9mm; steel pipe wall thickness: 0.5mm; material: steel; weight: 100±1g
2. Mounting bracket: weight: 10±1 kg; it is well-set and the Horizontal direction and the vertical direction can be adjusted. The whole bracket can be rotated 90°through the rotation axis.
3. Striking element: 150g, equivalent mass 200g. (200g striking element for option).
4. Impact energy, equivalent mass and drop height table
| Energy/J |
0.14 |
0.2 |
(0.3) |
0.35 |
(0.4) |
0.5 |
0.7 |
1 |
2 |
5 |
10 |
20 |
50 |
| Equivalent mass /kg |
0.25 |
(0.2) |
0.25 |
(0.2) |
0.25 |
(0.2) |
(0.2) |
0.25 |
0.25 |
0 .25 |
0.5 |
1.7 |
5 |
5 |
10 |
| Drop height ±1%mm |
56 |
(100) |
80 |
(150) |
140 |
(200) |
(250) |
200 |
280 |
400 |
400 |
300 |
200 |
400 |
500 |
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Notes:
- See note in IEC 60068-2-75 3.2.2
- In this part, the energy (J) is calculated taking the standard acceleration due to the earth’s gravity(g), rounded up to the nearest whole number, that is 10m/s².
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5. Operation: manual release the striking element
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Steel Pendulum Impact Tester HC9921 1000mm Length Manual Operation Images
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