HK-821 Office Chair Stability Testing Machine Seat Front Rear Stability Tester for Furniture Laboratory
HK-821 Office Chair Stability Testing Machine is specially designed for evaluating the front stability, rear stability, and side stability performance of chairs and office seating products. The equipment simulates real loading conditions by applying specified loads and horizontal forces to determine whether the chair tends to tip over during use. The machine is widely used for office chairs, household chairs, training chairs, commercial seating products, and laboratory furniture testing applications. It is suitable for furniture manufacturers, quality inspection departments, research institutes, and certification laboratories.
Designed for office chair and seating stability performance testing
Suitable for front stability, rear stability, and side stability evaluation
Applies standard specified load and horizontal force during testing
Manual weight basket lifting system for easy operation
Standards Compliance
EN 581-1/-2/-3 Outdoor Furniture Standards
EN 1022 Domestic Furniture Stability Test Standard
EN 1729-2 Educational Furniture Requirements
ANSI/BIFMA X5.1 Office Chair Standard








Dongguan Huakai Testing Equipment Technology Co., Ltd. is a professional manufacturer specializing in reliability and environmental testing equipment, with over a decade of industry experience. Unlike trading companies or OEM resellers, we are a vertically integrated manufacturer - owning our R&D, production, and quality control under one roof.
Every Huakai product is designed, engineered, and manufactured entirely in-house, giving us full control over precision, lead times, and customization depth that most suppliers simply cannot match.
Self-Developed, Not Sourced Our in-house engineering team holds multiple patents. We develop our own control systems, thermal management modules, and test software - not dependent on third-party core components that limit flexibility.
Fast Delivery Without Compromising Accuracy Standard models ship in as little as 7--15 business days. Our streamlined manufacturing process - not shortcuts - makes this possible.
Customization That Actually Goes Deep When clients require non-standard chamber sizes, unique temperature profiles, or integration with their existing data acquisition systems, we engineer a real solution - not just a relabeled catalogue product.
Global Compliance Built In All products are CE certified and comply with IEC, ASTM, MIL-STD, and GB standards. Our chambers have helped clients pass certifications across consumer electronics, EV batteries, automotive components, aerospace, and medical devices.
After-Sales You Can Rely On Factory engineers - not third-party agents - handle all technical support. Spare parts are stocked and dispatched within 24 hours. Remote diagnostics available for international clients.













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