Safety Helmet Chin-strap Strength Tester
The Safety Helmet Chin-strap Strength Tester is designed to evaluate the tensile strength and reliability of chin straps on industrial, sports, and specialized safety helmets. It ensures compliance with national and international safety standards, supporting quality control, R&D, and certification testing.
Application
(1) Tensile strength testing of industrial safety helmet chin straps
(2) Quality inspection for sports and recreational helmets
(3) Compliance verification for GB/T 2812-2006 and ISO/EN 397
(4) Research and development of helmet safety designs
(5) Batch testing in helmet manufacturing for global certification
(6) Assessment of strap materials and attachment durability
Standards
(1) GB/T 2812-2006 – Safety Helmets
(2) GB/T 2811-2019 – Head Protection Vocabulary and Test Methods
(3) ISO/EN 397 – Industrial Safety Helmets (Equivalent Compliance)
(4) CE Certification (Conformité Européenne)
Features
(1) Motorized Tensile Stage: Adjustable 0–500 mm/min with real-time force-displacement graphing
(2) Dynamic Force Feedback: 0.1 N resolution load cell with peak force memory
(3) Self-Calibrating System: Auto-tare and linearity checks before each test
(4) Modular Head Assembly: Fits adult, child, and custom helmet sizes (50–65 cm circumference)
(5) Quick-Swap Anthropomorphic Mandibles: Facilitates rapid helmet mounting
(6) Durable Construction: Aircraft-grade aluminum frame with corrosion-resistant sensors
(7) User Interface: LED display visualizing force curves during dynamic loading
(8) Safety Systems: Emergency shutoff and overload protection at 2,200 N
Parameters
| Parameter | Specification |
|---|---|
| Force Range | 0–2,000 N (200 kgf capacity) |
| Load Rate | 20 N/min ±2 N/min (adjustable) |
| Max Load Time | 150 N achieved within 60 s |
| Force Resolution | 0.1 N (10 gf) |
| Head Model | Quick-swap anthropomorphic mandible |
| Power Supply | 220V AC, 50/60Hz (single-phase) |
| Dimensions | 600 mm (W) × 450 mm (D) × 1,200 mm (H) |
| Weight | 80 kg (net) |
Accessories
(1) Testing Kit: 2x adult-size head forms (56 cm/58 cm circumference), 5x calibration grade load cells (10 N–2,000 N)
(2) Software Suite: License key for ChinStrapTest Pro (Windows/macOS), 1-year free access to cloud-based tensile analysis tools
(3) Calibration & Safety: NIST-traceable force gauge, 2x safety glasses (EN 166 rated)
(4) Maintenance Kit: Spare drive belts and bearings, machine cleaning solution (non-corrosive)
(5) Documentation: Multilingual quick-start guide (printed + digital), GB/T/ISO compliance certificates
Test Procedures
(1) Mount helmet onto anthropomorphic mandible.
(2) Secure chin strap in clamp fixtures.
(3) Set load rate and test parameters via touchscreen interface.
(4) Start tensile test; monitor force-displacement curve in real time.
(5) Record peak force and evaluate strap performance against standards.
(6) Export test report for QC or certification purposes.
Maintenance Information
(1) Inspect mandibles, clamps, and load cells regularly for wear or damage.
(2) Clean frame and fixtures with non-corrosive solution.
(3) Verify calibration of force measurement system periodically.
(4) Lubricate moving parts according to maintenance schedule.
(5) Store in dry environment to maintain precision and extend service life.
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