Helmet vertical spacing infrared positioning tester for EN 397 safety compliance

Produced by: Standard International Group (HK) Limited

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Standards

(1)GB/T 2812-2006:Test method of safety helmet

(2)GB 2811-2019:Head protection—Safety helmets

(3)EN 397:Protective helmets for industry

(1)Digital display: Uses a digital display scale for intuitive readings and to avoid human error.

Modular design: Supports the replacement of different head forms, adapting to various safety helmet sizes.

(2)Efficient and convenient: Automated measurement process improves testing efficiency.

(3)Compliant with standards: Strictly adheres to domestic and international safety helmet testing standards.

Technical Parameter	Description
Digital height gauge	Can display height in real - time, with a measuring range of 0 - 500mm
Positioning method	Adopts infrared positioning
Sample preparation for measurement	First, wear the test sample on the head mold specified by the standard according to standard requirements, and adjust it so that the heights on both sides of the hat hoop are consistent
Wearing height measurement	Measure the vertical distance from the lowest point of the bottom edge of the hat hoop on the side of the sample to the top of the head mold as the wearing height, record the measured value with an accuracy of 1mm
Measurement of X1	Measure the vertical distance from the position of the point on the edge of the minor axis of the helmet shell relative to the head mold to the top of the helmet shell as X1
Sample re - placement for X2 measurement	Remove the wearing system and cushioning liners, place the sample on the head mold again, and ensure that the posture of the helmet shell is the same as before removal
Measurement of X2	Measure the vertical distance between the same points as X2

(1)Height gauge

(2)Infrared positioning sensor

(3)Head model (including two specifications, #1 and #2. corresponding to different wearing height requirements)

(4)Digital display device (or touch screen control panel, used to display measurement data in real time)

(5)Loading device (used to apply a load of 50N ± 1N to stabilize the sample during testing)

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