trena laser range finder rangefinder digital distance meter 40M 60M 80M 100M medidor Laser ruler Roulette tester tool | Инструменты

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Introduction: Thanks for purchasing our series products--the hand-held laser range finder. First of all, before using this product please read the safety policy and direction for use. Our Laser distance meter is specially designed to measure the distance precisely. It comes with the function of measuring AREA, VOLUME, ADDITION, SUBTRACTION easily. It can also store 20 data. The laser distance meter is hand-held and easy to operate. You can measure the distance in Metric / Imperial. By the way, According to the principle of physical optics, black objects will absorb light, is not conducive to reflective, please try to choose reflective objects to measure.   Precautions: 1. There shall be quite big error in measurement accuracy with +/-3mm+40PPM under the poor measuring conditions. (such as too stronger environmental light, too higher or lower temperature reflection coefiicient on the measured points) 2. Under the circumstances with strong sunlight or bad reflection of the project, please use the baffle board accordingly.   Package content:(without battery) Listing1: 1 * Laser Distance Meter(H-40M) +  1 * Portable pouch +  1 * Hanging rope +  1 * Reflective baffle board +  1 * User manual +  1 * Retail box   Listing2: 1 * Laser Distance Meter(H-60M) +  1 * Portable pouch +  1 * Hanging rope +  1 * Reflective baffle board +  1 * User manual +  1 * Retail box   Listing3: 1 * Laser Distance Meter(H-80M) +  1 * Portable pouch +  1 * Hanging rope +  1 * Reflective baffle board +  1 * User manual +  1 * Retail box   Listing4: 1 * Laser Distance Meter(H-100M) +  1 * Portable pouch +  1 * Hanging rope +  1 * Reflective baffle board +  1 * User manual +  1 * Retail box