Helmet Retention Testing equipment / Helmet Detaching Testing machine with ECE R22.05 IS 4151 testing standard
Standard
It's conform ECE R22.05, IS4151 etc testing standard
Purpose
It's used for helmet stability testing
The Main Technical specifications
Product Name | Helmet retention testing equipment/Helmet detaching testing machine |
Testing standard | ECE R22.05 , IS 4151 etc |
The Initial Load | 3kg±0.1kg |
The fall mass | 10kg±0.01kg |
The Drop height | 0.5mm±0.01m |
Release ways | Manual release |
Electricity | 220V 50HZ (according differenet to decided) |
The Testing machine's main components
No | Name |
1 | Testing machine frame |
2 | Steel wire |
3 | Cable reel |
4 | Headform installation base |
5 | Weights |
Testing Procedure
1.The helmet previously conditioned at ambient temperature and hygrometry,
shall be placed on and secured to the appropriate headform
2.A device to guide and release a falling mass (the total mass being 3kg±0.1kg)
is hooked on to the rear part of the shell in the median vertical plane of the helmet
3.The falling mass of 10kg±0.01kg is then released and dropped in a guided free
fall from a height of 0.5m±0.01m, the guiding device shall be such as to ensure
that the impact speed is not less than 95 percent of the theoretical speed
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