It is specially designed to detect the strength of the submental belt under the safety cap.

《GB/T2811-2007 safety hat》
《GB/T2812-2006 test method for safety helmet》

1. The standard 1# head model, with stable support, is used with the simulated artificial chin.
2. The head die is connected with high precision pressure sensor.
3. LED digital display each stage of the force value.