The helmet wearing height testing machine is a testing device used to evaluate the comfort and safety performance of helmets. It precisely measures the wearing height parameters to ensure that the helmet fits the human head according to design requirements. In the manufacturing process, manufacturers use this device to quantitatively test helmet samples, verifying whether the vertical distance between the headband, liner, and the top of the head is reasonable.

Application

Measure the wearing height of helmets to ensure the accuracy and safety of helmet – wearing positions.

Standard

(1)EN 397: Industrial safety helmets

(2)GB 2812: Head protection—General test methods

Feature

(1) Height measurement scale with 1mm accuracy

(2)Rigid base (electroplated surface)

Technical Parameters

Accessoriess

(1)Standard head model

(2)Digital display ruler

(3)Foot measuring device

(4)Fixing bracket

(5)Adjustment mechanism

(6)Data logger

(7)Leveling tool

(8)Fastening clamp

Test Procedures

Select the head form: According to the standard, use head form #1 when the wearing height is ≤85mm; use head form #2 when the wearing height is >85mm.

Install the digital scale: Fix the digital scale to the selected head form using the provided mounting holes.

Zero the scale: Pull the digital scale to the bottom and press the zero button.

Adjust the measuring caliper: Measure the distance between the side straps of the helmet and adjust the measuring caliper to the appropriate length.

Wear the helmet: Place the helmet normally on the selected head form.

Read the value: Pull the digital scale until the measuring caliper touches the side straps, and read the value B1.

Calculate the wearing height: Subtract B1 from 280 to obtain the helmet wearing height.

FAQ

1. What is a Helmet Wearing Height Testing Machine?

This device measures the vertical position or wearing height of a helmet on a headform, ensuring proper fit and coverage for optimal protection.

2. How does the wearing height test work?

The helmet is placed on a standardized headform, and sensors measure the vertical distance from a reference point on the headform to the helmet’s inner surface. Adjustable settings allow testing of different helmet sizes.

3. What types of helmets can be tested?

It can test industrial safety helmets, construction helmets, bicycle helmets, motorcycle helmets, and other protective headgear requiring correct vertical positioning.

4. What parameters are measured during testing?

The tester measures helmet height, clearance from the headform, and sometimes lateral alignment. Data ensures consistent fit and compliance with safety standards.

5. Why is helmet wearing height testing important?

Proper wearing height ensures maximum coverage of the head, reduces injury risk, and maintains comfort. It also helps manufacturers comply with safety standards such as EN 397. ANSI Z89.1. or ISO.

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