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PRODUCTS CENTER
The YHJ-600(A) intrinsically safe laser alignment instrument for mining is an integrated device that combines electronics, optics, and precision mechanics. It features an aesthetically pleasing design, compact size, light weight, and explosion-proof characteristics. The instrument can be quickly mounted on anchor bolts via a suspension assembly and allows for coarse adjustment over a 360° range with fine, highly accurate adjustments; adjustment is convenient and the locking mechanism is reliable. The product incorporates a self-developed optical system and supports both red and green light sources, with beam spot size and effective range tailored to meet the requirements of underground mining operations. It is powered by a PL205667 3.7 V battery pack, eliminating the need for external power connections on site, which makes it suitable for widespread use in facilities without AC power or in locations subject to frequent relocation, enabling continuous long-term operation. The instrument is primarily used in coal mine underground roadways to provide precise positioning of center and waist lines during excavation, as well as directional alignment for the installation of transport pipelines, conveyor belts, ventilation ducts, water pipes, and cable routes. By integrating electronics, optics, and precision mechanics and employing the long-life, continuously operable PL205667 3.7 V battery pack, this instrument is particularly well-suited for work environments where power supply connections are challenging. Coarse adjustment is achieved through a 360° rotatable locking mechanism, while mounting is facilitated by a fixing rod and a suspension assembly with locking devices, making instrument installation both convenient and rapid. A fine-adjustment mechanism enables lateral and longitudinal adjustments within a range of no less than ±1.5°.
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