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Harbin Optical Instruments Factory 哈尔滨光学仪器厂

400-030-0319

+86-451-84286338

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YHCD-1500J Intrinsically Safe Laser Ranging and Positioning Pointer for Mining

Product Overview

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.

Technical Indicators

1. Explosion-proof type: intrinsically safe for mining  

2. Explosion-proof marking: Ex ib I Mb

3. Laser type: continuous wave laser, circular beam spot

4. Effective laser range: 1500

5. Effective Range, Spot Diameter, and Spot Drift

5.1 The beacon shall be clearly visible as a spot at a distance of 1,500 m.

5.2 The spot diameter of the pointing device at an effective range of 200 m shall less than or equal to For a 20 mm beam, the spot drift shall not exceed 10 mm.

At an effective range of 800 m, the spot diameter of the aiming device shall less than or equal to For a 40 mm beam, the spot drift shall not exceed 10 mm.

At an effective range of 1500 m, the spot diameter of the aiming device shall less than or equal to For a 60 mm beam, the spot drift shall not exceed 10 mm.

6. The lateral and longitudinal adjustment ranges of the pointer instrument’s fine-tuning mechanism shall be ≥ 4 .5°.

7. Other Functions

7.1. Pitch angle measurement range and accuracy of the pointing instrument: Range: ±90 o , Accuracy: ±0.1 o

7.2. Ranging range and accuracy of the direction-finding instrument: Range: 0.1 m to 200 m; Accuracy: ±0.01 m.

8. Supply Voltage: DC 3.5 V – DC 6 V

9. Operating current: less than or equal to 350mA

10 , Continuous operating time: Continuous operating time ≥ 24 hours (when equipped with a intrinsically safe battery box for mining use)

24-hour continuous operation (associated mining-grade potting and intrinsically safe DC power supply)

11. External dimensions: 222 mm × 221 mm × 200 mm (main unit), 142 mm × 163 mm × 38 mm (controller);

12. Weight: (main unit + controller) approximately 4.0 kg

13. Intrinsically Safe Parameters: U I : DC 5.8V, I I : 1.3A, C I ：0 micro- F, L I : 0 mH

14. Laser output power < 150 mW.

Color Page Download

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