1. Structural Design and Materials: Determines Overall Durability
Pole Material: High-strength aluminum alloy or carbon fiber are preferred, offering lightweight, corrosion-resistant, and fatigue-resistant properties, preventing deformation over long-term use.
Connection Structure: Check the locking mechanism between the lifting sections for precision and reliability. High-quality products use double snap rings, self-locking pins, or hydraulic self-holding technology to prevent accidental retraction.
Base Design: Wide triangular or square bases provide greater stability, and combined with anti-slip pads and magnetic fixing devices, improve adhesion to metal platforms or slippery surfaces.
2. Wind Resistance: A Key Safety Indicator
The nominal wind resistance rating should reach level 8 or above (≥20.8m/s), with some high-end models reaching level 9, suitable for coastal, mountainous, and other high-wind environments.
Whether it supports the installation of three-way windproof cables (wind ropes) is a watershed moment in quality; reputable products will have a pre-installed pull ring interface at the top.
Verification can be done through a gentle push test: After raising the lamp, gently push the upper middle section; minimal shaking and no abnormal noise are desirable.
3. Light Source Configuration and Illumination Effect
LED Chip Brand: Preferred light sources are those from leading international manufacturers such as CREE, OSRAM, and Lumileds, offering high luminous efficacy, long lifespan (≥50,000 hours), and stable color temperature.
Measured Illuminance: Check if the illuminance at 20 meters is ≥200 lx. Some inferior products falsely advertise power, resulting in insufficient actual brightness.
Heat Dissipation Design: High-quality lamps are equipped with a die-cast aluminum fin + fan dual heat dissipation system to prevent light decay or burnout during prolonged operation.
4. Lifting System Reliability
Hydraulic/Electric System: High-end models use imported hydraulic pumps or IP65 protected motors, ensuring smooth, uninterrupted operation and a lifespan of tens of thousands of cycles.
Manual Crank: Gear transmission should be smooth and without resistance. High-quality products feature torque buffering design to reduce operator fatigue.
Check for automatic limit and overload protection functions to prevent damage to the mechanism due to misoperation.
5. Safety Certifications and Compliance Markings Legitimate products should have CE, IP65/IP66 protection ratings, and RoHS environmental certification. Some industrial-grade equipment also requires ATEX explosion-proof certification.
The casing should have a clear nameplate indicating manufacturer information, power, voltage, wind resistance rating, production date, etc. Avoid products without markings or with unclear information.