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IEC60068-2-75 Test Ehc Vertical Hammer Electromagnet Release Tester Of 2J 5J 10J 20J 50J

vertical drop weight impact apparatus

Product Introduction

This device conforms to the standard requirement of the IEC60068-2-75 Test Ehc. It is for testing enclosure mechanical strength of household and similar electrical appliances, lamps. The device is released by the electromagnet, which can ensure the instantaneous release and the vertical drop. The lifting device is combined by screw guide rail, which can make the lower end of the conduit smooth contact with the surface of the specimen, the fixed drop height is the length of the guide rail, just contact no need to adjust, easy to use. Standard equipped with 2, 5, 10, 20, 50 J hammer and conduit, it is suitable for the enclosure mechanical strength test of most products.

Technical Parameters

Model JY-9A
Power supply 230V, 50Hz
Release mode Electromagnet release
Drop floor Nylon base 1000mm*1000mm; thickness 8mm; hardness HRR85-100.
Drop height 0-1000mm, Electric adjustment
Impact hammer 2J, 5J, 10J, 20J, 50J, stainless steel, matching 5 conduits.
Installation mode The hammers are by electromagnet, the conduits are by screw-in.
Standards IEC 60068-2-75

Table-Height of fall (the device is standard equipped with 5J impact energy):

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
Height of fall mm ±1% 56 100 80 150 140 200 250 200 280 400 400 300 200 400 500


1. See note in 3.2.2.

2. In this part of IEC 60068, the energy, J, is calculated taking the standard acceleration due to the earth’s gravity (gn), rounded up to the nearest whole number, that is 10 m/s²


  1. The power should be cut off after the test is completed, to prevent overheating of the electromagnet.
  2. The sample should be installed before the hammer is drop, impact is not allowed without installing the sample, avoid damaging the hammer.
  3. Please pay attention to being dampproof and dustproof and maintenance.
vertical drop weight impact apparatus
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