Pendulum Hammer Test Apparatus KR9921
Standard: IEC60068-2-75 Environmental testing – Part 2: Tests – Test Eh: Hammer tests, IEC60068-2-63, IEC62262 Degrees of protection provided by enclosures for electrical equipment against external mechanical impacts (IK code), IEC60439-5 Low-voltage switchgear and controlgear assemblies - Part 5:Particular requirements for assemblies for power distribution in public networks
Application: This device is suitable for mechanical impact strength test to electric cabinets and other sheet metal, shell of Non metal electric energy metering cabinet, substation cable switchboard and cable junction box
Test sample: The shell of electric energy metering cabinet, substation cable switchboard and cable junction box and similar equipment
Feature: Equipment using the car structure, can be moved left and right, forward and backward, the upper and lower impact point height adjustable, and the impact angle 0-90°adjustable. The device is a low energy pendulum impact device for 2J and above.
Parameters:
| Model | KR9921A | KR9921B |
| Pendulum | Length: 1000mm; external diameter: 9mm; steel pipe wall thickness: 0.5mm. Composition of the equivalent mass with impact element |
| Impact point | Up and down adjustable, stroke 200-1200mm, height can be customized |
| Impact element | 2,5,10,20,50J impact hammer | 5kg Horn impact hammer |
| Drop height | Scale display |
| Release mode | Mechanical |
| Dimension | 1300*500*2300mm |
Impact energy, equivalent mass and drop height table
| Energy/J | 2 | 5 | 10 | 20 | 50 |
| Equivalent mass /kg | 0.5 | 1.7 | 5 | 5 | 10 |
| Drop height ±1%mm | 400 | 300 | 200 | 400 | 500 |
| Notes: 1. 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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Durable Impact Testing Machine Pendulum Test Apparatus KR9921 IEC60068-2-75 Images
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