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IEC Test Equipment Pendulum Hammer Test Apparatus For Mechanical Strength
Standard:
IEC 60668-2-75-2014 Environmental testing – Part 2-75: Tests – Test Eh: Hammer tests clause 5 Test Eha: Pendulum hammer and Annex D;
IEC 60884-1 'Plugs and socket-outlets for household and similar purposes – Part 1: General requirements' clause 24.1, figure 22-26.
Application:
Accessories, surface mounting boxes, screwed glands and shrouds shall have adequate mechanical strength so as to withstand the stresses imposed during installation and use.
The specimens are checked by applying blows by means of the pendulum hammer test apparatus as described in IEC 60068-2-75 (test EHA), with an equivalent mass of 250 g. IEC Test Equipment
Parameter:
| Model | HC9921 |
| Pendulum | Length: 1000mm External diameter: 9mm Wall thickness: 0.5 mm Made by steel |
| Release mode | Manual |
| Mounting bracket | Weight: 10 kg ± 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. |
| Striking element | 150g, equivalent mass 200g. (200g striking element for option). IEC Test Equipment |
| Mounted box | a sheet of plywood, 8 mm nominal thickness and approximately 175 mm square, secured at its top and bottom edges to a rigid bracket which is part of the mounting support.
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| Standards | IEC 60068-2-75, IEC60884-1 |
