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The YHJ-1500 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 offers flexible coarse adjustment over a 360° range with precise fine adjustment; adjustment is convenient and braking 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 can be powered by either the DXH6/4.3 intrinsically safe battery pack for mining or the optional KDY127/5 intrinsically safe DC power supply for mining, enabling operation on both AC and DC power in underground environments. The instrument is primarily used in coal mine roadways during excavation to provide accurate positioning of center and waist lines, as well as directional alignment for the installation of transport pipelines, conveyor belts, ventilation ducts, water pipes, and cable routes. Coarse adjustment is achieved through a 360° rotatable locking mechanism, while mounting is facilitated by a fixing rod and a suspension assembly locking device, ensuring quick and secure instrument fixation with unrestricted 360° horizontal and vertical coarse adjustment. A fine-adjustment mechanism allows for minute horizontal and vertical adjustments within a range of at least 1.5°. The laser module is powered by the DXH6/4.3 intrinsically safe battery pack for mining or the optional KDY127/5 intrinsically safe DC power supply for mining, emitting a laser beam; the instrument generates this beam and then uses the optical system to produce a long-range pointing laser beam with an effective range of up to 1,500 meters.
The YHJ-800 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 offers 360° full-range coarse adjustment with highly precise fine adjustment; adjustment is convenient and braking 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 can be powered by either the DXH6/4.3 intrinsically safe battery pack for mining or the optional KDY127/5 intrinsically safe DC power supply for mining, enabling operation on both AC and DC power in underground environments. The instrument is primarily used in coal mine roadways during excavation to provide accurate positioning of center and waist lines, as well as directional alignment for the installation of transport pipelines, conveyor belts, ventilation ducts, water pipes, and cable routes. Coarse adjustment is achieved through a 360° rotatable locking mechanism, while mounting is facilitated by a fixing rod and a suspension assembly locking device, ensuring quick and secure installation with unrestricted 360° horizontal and vertical coarse adjustment. Fine adjustment within a range of at least 1.5° can be performed in both horizontal and vertical directions via a micro-adjustment mechanism. The laser module is powered by the DXH6/4.3 intrinsically safe battery pack for mining or the optional KDY127/5 intrinsically safe DC power supply for mining, emitting a laser beam; the instrument generates this beam and then uses the optical system to produce a long-range pointing laser beam with an effective range of up to 800 meters.
The YHCD-1500J intrinsically safe laser rangefinder and positioning pointer for mining applications is an integrated instrument that combines electronics, optics, and precision mechanics. It offers functions such as long-range laser pointing, distance measurement, angle measurement, and height measurement. The instrument features a split design with a separate host unit suspended at a high position and a controller mounted at a lower, more convenient operating height, connected by an explosion-proof cable. The controller manages the power supply for the laser pointer and displays the projection angle and range of the laser line. The instrument boasts an aesthetically pleasing appearance, compact size, light weight, and explosion-proof characteristics. Equipped with a suspension assembly, it can be quickly secured to anchor bolts and adjusted over a 360° range—allowing for coarse adjustment and precise fine-tuning—with easy operation and reliable braking. The point laser projected by the instrument features a small spot size, high brightness, and minimal spot drift. It provides high-precision distance and angle measurements and enables real-time monitoring of the laser pointer’s status. To accommodate underground power supply conditions in coal mines, this product can be powered either by a dedicated battery DC supply or by a dedicated AC-to-DC power adapter. This equipment can provide accurate distance measurement, precise centerline and waistline alignment, laser-based angle measurement, and straight-line targeting for tasks such as laying transport pipelines, conveyor belts, ventilation ducts, water pipes, and cables at coal mine working faces or other tunnel construction sites.
The LRP-15C laser rangefinder and positioning instrument features an integrated opto-mechano-electrical design, enabling measurement of target azimuth, range, longitude, latitude, and other parameters. It is suitable for applications such as remote fire-point localization, ecological monitoring, and emergency rescue. This instrument employs 1535 nm wavelength laser ranging technology, a large-aperture optical transceiver design, and a proprietary photoelectric conversion algorithm, resulting in longer measurement ranges and higher accuracy. A 5× optical sighting system with a reticle facilitates precise target acquisition. The device is equipped with an LCD display that shows range, azimuth, longitude, latitude, and other information. Power is supplied by a high-capacity 5000 mAh rechargeable lithium battery, providing over 12 hours of continuous operation.
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