This is a non-contact sensor that uses ultrasonic waves.
Features
■High-precision distance measurement function
The distance to the detected object can be measured with an accuracy of ±1cm.
■Can detect any object
It is less affected by material, color, and transparency, and can stably detect a variety of objects. Detection may not be possible depending on the size of the object.
■Can be installed anywhere
It can be installed anywhere, indoors or outdoors. Even outdoors, it is virtually unaffected by rain, wind, and temperature changes.
■Various uses
It can be used for various other purposes such as obstacle detection, crime prevention, abnormal water level warning in rivers, etc.
Mechanism of object detection using ultrasound
■Distance measurement using ultrasonic waves
The distance to the object is measured by applying ultrasonic waves to the object and measuring the time it takes for the reflected waves to return.
■Object detection
For example, measure the distance between the installed sensor and the ground and store this as the reference distance. In this state, if some object comes between the sensor and the ground, the sensor measures the distance to the object, recognizes that it is different from the memorized reference distance, and detects an object between the sensor and the ground. detects the existence of
■What is ultrasound?
Generally, sounds (sound waves) that have a high frequency and cannot be heard by the human ear are called ultrasound waves. The frequency of sound that can be heard by the human ear (audible range) is approximately 30Hz to 20kHz, and sounds above approximately 20kHz are called ultrasound.
■Features
・This device is an object detection sensor with an ultrasonic distance detection function.
・Can be used for various purposes such as water level sensing, vehicle sensing, and crime prevention.
・Detectable distance is 0.5 to 3.5m (when long horn is installed)
・Dustproof and waterproof structure (IP65 equivalent)
・The detection area can be changed by changing the length of the horn.
・The detection distance can be easily changed using the distance adjustment volume inside the main unit.
・You can change the number of transmitted pulses using the dip switch inside the main unit (10PLS/50PLS)
- Stable operation even in extremely cold weather with outside temperature sensor and heater
- Internal noise is suppressed by driving the ultrasonic element with a sine wave voltage.
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