German GOBETTI sensors GOBETTI models GOBETTI prices

GOBETTI sensors are sensors that use laser technology for measurement. They consist of a laser emitter, a laser detector, and a measurement circuit. Laser sensors are a new type of measuring instrument; their advantages include the ability to perform non-contact long-distance measurement, high speed, high precision, large measuring range, and strong resistance to optical and electrical interference.

GOBETTI sensor applications

The most widespread application of distance sensors is in mobile phones. Smartphones on the market all contain distance sensors. When a user answers a call, the phone is close to the ear, which can easily lead to accidental operations (such as puffed cheeks from laughter accidentally hanging up the call). Therefore, distance sensors are needed to monitor the distance in real time; when the distance is too close, the screen is automatically turned off to prevent accidental operations. In addition, distance sensors are widely used for measuring mine shaft depth, detecting aircraft altitude, and exploring outdoor environments. With continuous technological development, they also show prominent performance in wearable devices (such as smart belts).

GOBETTI sensor working principle

When time-of-flight laser sensors are in operation. Time-of-flight laser sensors must measure the transmission time extremely precisely because the speed of light is very fast. For example, the speed of light is approximately 3´108m/s. To achieve a resolution of 1mm, the electronic circuit of the transmission time ranging sensor must be able to resolve the following extremely short time interval: 0.001m¸(3´108m/s)=3ps. Resolving a time interval of 3ps places excessive demands on electronic technology and is too costly to implement. However, today's inexpensive time-of-flight laser sensors cleverly avoid this obstacle by using a simple statistical principle, namely the law of averages, to achieve a resolution of 1mm while ensuring response speed.

GOBETTI sensor industry applications

1) Application in taxi meter testing systems: To further promote energy saving and emission reduction and address the metrology needs of the electric vehicle industry, a mobile electric taxi meter testing system has been officially launched. The testing device is roughly divided into two parts: a main unit about the size of a password case, placed on the rear seat of the car, and a distance sensor attached to the car body. According to reports, the device uses the driving distance measurement method. As the driver drives the car for a certain distance, the testing device and the meter sample synchronously. The entire testing process is expected to be completed in about seven to eight minutes. 2) Extensive uses in the automation field: Nowadays, in addition to ultrasonic sensors and standard photoelectric sensors, automatic detection and control methods have added a new solution for long-distance measurement and inspection—the time-of-flight laser distance sensor. It provides application flexibility for various occasions, including the following: (1) Equipment positioning. (2) Measuring the level of material in bags. (3) Measuring the distance and height of objects on conveyor belts. (4) Measuring log diameter. (5) Protecting overhead cranes from collisions. (6) Error-free inspection applications. (7) Aircraft ground clearance monitoring.

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