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Take you to understand the laser rangefinder diffuse reflection problems
Usually in order to reduce errors, laser rangefinders will be placed on the measured end of a reflective surface, to reduce the diffuse reflection of the formation of errors, snipers with a telescopic laser rangefinders how to overcome this problem?It works in much the same way as sonar, but can signals that receive reflected light be easily interfered with by other wavelengths and intensifies of light in the environment?
Laser rangefinder (pulse) detection device generally used avalanche photodiode, it is only sensitive to a specific wavelength of light, wavelength matching if very small light intensity can be detected by it, wavelength mismatch, even if the light intensity is very large, can not be detected.The laser just has the good monochromatic characteristic, the commonly used wavelength is 905nm.So signals that receive reflected light are not simply interfered with by other wavelengths and intensives of light in the environment.
There are two kinds of laser ranging methods commonly used: pulse method and phase method.
The phase method measures the distance by measuring the phase deviation of the returned wave. This requires the cooperative target, which is said to put a reflection surface on the measured end. In this case, the range finder emits less power.
Snipers with telescopic laser rangefinder is generally used by the pulse method, that is, to announce a pulse, start timing, receiving the reflected pulse stop timing, achieve the purpose of ranging.In this case, when there is no cooperative target, the loss of diffuse reflected light wave energy is very serious, but generally does not affect the measurement.The reasons are stated above.Generally, the transmitting power of rangefinder will be increased to make certain compensation.
The application of laser rangefinder in architectural decoration design is introduced
In daily life, interior designers and architects often encounter problems in the design and decoration process, which is a headache due to various measurement difficulties or safety hazards that cannot be found near the measurement site.
Now, laser rangefinders can solve similar problems for you, and can easily measure distances away from the position or length of an object.
Handheld laser rangefinders, such as stairwells, elevators and other areas not directly in contact with the measurement target, can help you replace the traditional box rule measurement and save manpower.
Laser rangefinder is a new type of high performance hand-held rangefinder.It is patented and can measure distances from 0.05 to 200M.The measuring accuracy was ±1±1.5MM.It is quick to measure, easy to use and compact in design.Take it with you.
With this laser rangefinder, you don't need a lift table or extension ladder to measure the volume of a building or stairwell.
In traditional measurement, there are safety hazards that cannot approach the measurement position.The laser rangefinder has a red laser point, which allows you to clearly know the location of the measuring point. Only one person is required to operate it and no other tools (such as ladders) are needed.Even in hard-to-reach areas, all measurements can be taken to prevent maximum injury accidents.
In addition to the pocket portable design, the rangefinder can add and subtract length, so it doesn't have to lie on the floor because it measures the ceiling.
Large LCD backlit display, laser rangefinder allows you to easily read measurement data while aiming at a target.Using a laser rangefinder, people can start working at twice the speed of conventional methods.Measure distance, area, volume, triangle position Pythagoras theorem, etc.
Can be widely used in the following areas:
1.Construction industry: measurement of building distance, acceptance of building, calculation of pouring area and volume, etc.
2. Indoor industry: no area, doors and Windows, bracket dimension measurement.
3.Measurement industry: direct measurement of various distances or distance measurement that cannot be directly measured.
4.Electromechanical industry: telecommunication equipment installation, equipment distance measurement construction, durability measurement, distance measurement that cannot be directly measured.
5. The public security system measures the distance of incident handling.