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YHJ-300JA Explosion proof laser rangefinder

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YHJ-300JA Explosion proof laser rangefinder       I. Product OverviewThe YHJ-300J(A) Mine-used Intrinsically Safe Laser Rangefinder (hereinafter referred to as the rangefinder) uses lens lenses with multi-layer full coating technology, which can obtain higher imaging resolution. It can accu...


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YHJ-300JA Explosion proof laser rangefinder      

 

I. Product Overview

The YHJ-300J(A) Mine-used Intrinsically Safe Laser Rangefinder (hereinafter referred to as the rangefinder) uses lens lenses with multi-layer full coating technology, which can obtain higher imaging resolution. It can accurately measure targets within the range of 0.05 to 300 meters.
The rangefinder is suitable for working environments such as the coal mining face, return air roadway, and electromechanical chamber in underground coal mines. The instrument uses a chip with excellent functions and high reliability to achieve its overall functions. It can achieve long-distance measurement, and the measurement range can reach 300 meters without the need for a reflector plate. Even if the laser spot is no longer visible at a long distance, the integrated telescope can be used to easily find the target. It has the characteristics of simple operation, convenient maintenance, good sealing performance, and safety and reliability. The rangefinder has been reviewed and inspected by the national designated legal and authoritative institution. The rangefinder is used in underground coal mines.

 

II. Product Features

  1. The accuracy is as high as ±2mm, which is suitable for high-precision measurement of roadway height and area.
  2. It is of the mine-used intrinsically safe type and can be used in explosive environments such as underground coal mines.
  3. It has the function of calculating area and volume.
  4. It can indirectly measure by applying the Pythagorean theorem.
  5. It has addition and subtraction functions.
  6. It has a continuous measurement function.
  7. It has the function of tracking the maximum and minimum distances.
  8. It has a multi-line display.
  9. The double-injection molded anti-slip soft rubber conforms to ergonomics.
  10. Explosion-proof type: Mine-used intrinsically safe type. The explosion-proof mark is: Exib I Mb.
  11. Protection level: IP54

  

III. Main Technical Indicators

  • Measuring range: 0.05 – 300 meters
  • Basic error: 0.02 meters
  • Measurement accuracy: 1mm
  • Measurement units: m/in/ft
  • Display: LCD
  • Laser type: 635nm, with a power of less than 10mW
  • Dimensions: 135 mm×53 mm×30mm
  • Weight: 165g
  • Body structure: Waterproof
  • Automatic shutdown: 150s
  • Automatic laser cut-off: 20s
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