Product Description
Model & Length Specifications
Standard specifications cover 15FT(4.57m), 20FT(6.09m). Retracted length for 15FT version reaches 1.34m with outer diameter 45mm; 20FT version retracts to 1.47m, outer diameter 50mm. Buyers can select proper specifications based on actual cargo‑transport limit‑height requirement and overhead‑line clearance detection needs. Extra‑long customized sizes can be arranged for special engineering sites
Material & Functional Performance
The main rod body adopts high‑strength fiberglass‑epoxy composite material. The material brings excellent dielectric insulation performance, effectively avoiding electric‑shock hazard when operators conduct measurement near live overhead cables. The whole measuring ruler can complete cargo load‑height measurement and overhead‑wire vertical‑gap inspection without power‑cut operation. The surface adopts anti‑UV baking paint treatment, resisting outdoor sunlight ageing, rain‑water erosion and temperature fluctuation in harsh open‑air operation environment. Dual‑scale marking includes metric and imperial units to adapt measurement habits of different regions across the globe
Structural Design
Multi‑section sleeve‑type telescopic splicing design is adopted. Reinforced spring‑button locking mechanism fixes each rod section firmly after stretching, avoiding unexpected shrinkage during field measuring. The top is equipped with foldable adjustable cross‑bar assembly made of lightweight aluminum alloy. Operators can rotate cross‑bar angle within 0‑90 degrees according to different measuring targets. Clear scale marks are printed on rod surface, not easy to wear away under long‑time repeated friction. The bottom anti‑collision protective cap reduces impact damage when placing the measuring ruler on hard ground
Application Scenarios
It is widely deployed for highway freight inspection stations, large logistics‑park freight yards, railway‑transport cargo‑height checking, power‑grid overhead‑line patrol maintenance teams. Besides truck‑cargo limit‑height measurement, this tool also applies to vertical‑distance detection for overhead transmission lines, bridge clearance measurement, large‑warehouse goods‑stack height inspection. Target purchasers include international EPC contractors, state‑owned power asset operators, large logistics‑transport groups, highway‑facility management institutions
Product Information
Packaging & Logistics
Standard export package includes single‑unit canvas storage bag plus outer carton protection. Shock‑absorbing filler inside carton prevents rod‑body scratch and collision damage during long‑distance sea‑land mixed transportation. LCL consolidation and full‑container shipment are both supported. Custom printed shipping marks are acceptable for project orders
OEM / ODM Customization Service
Multiple customization options are open for bulk project purchasers. Customers can adjust effective measuring length, rod‑wall thickness, outer‑diameter parameter and scale‑mark unit. OEM logo marking on rod surface and customized‑printed canvas carry‑bag are supported. ODM development is available for special‑purpose measuring‑tool demands for engineering projects. Sample confirmation is arranged before mass‑production to avoid parameter deviation
Buyer
Can this measuring ruler work nearby live high‑voltage power lines?
Yes. Its fiberglass‑epoxy rod body owns non‑conductive insulation property. Still, operators shall keep safe working distance according to local power‑safety regulations. Do not touch live wires directly with the measuring‑ruler body
Q2: What measuring error range can users expect?
Under normal operating conditions, measuring error stays within ±1cm. Severe scratch or scale‑mark abrasion will affect reading accuracy, please inspect scale regularly
Can you provide documents for tender‑bid submission?
Yes. We can offer finished‑product test reports and relevant material inspection records for bidding. These documents will be delivered together with bulk goods or sent by electronic file in advance
Is special‑length customization available? What is MOQ for custom orders?
Extra length customization is supported. MOQ depends on technical complexity, please communicate with our sales team for detailed project solution
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