Switched / Alarm Ultrasonic Linear Position Sensors and Switches
Last Updated: April 1, 2025
Description
Switched / Alarm Ultrasonic Linear Position Sensors and Switches are devices designed to detect and measure discrete distances to moving objects. They provide an output signal when a change of state is detected, which can be used for switching or alarm purposes. These sensors are particularly useful in environments where other sensing technologies might fail due to conditions like dust, moisture, or particle-laden air.
Working Principle
These sensors operate by emitting ultrasonic sound waves and measuring the time it takes for the waves to reflect back from an object. The time delay is used to calculate the distance to the object, allowing the sensor to determine its position. This method is advantageous because it can detect objects without physical contact, making it suitable for harsh environments. The sensors can provide analog current or frequency outputs, which are useful for transmitting signals over long distances, and they can also offer digital outputs for precise control.
Applications
Ultrasonic linear position sensors and switches are employed in various challenging environments. For example, they are used in industrial settings where dust or moisture might interfere with other types of sensors. They are also suitable for applications in arid conditions where traditional sensors might not perform well. Specific examples include monitoring the position of machinery parts in a factory or detecting the level of materials in a silo.
Advantages over other Ultrasonic Linear Position Sensors and Switches
One of the key advantages of switched/alarm ultrasonic sensors is their ability to provide a change of state output, which is crucial for applications requiring immediate action, such as triggering an alarm or switching a device on or off. This feature makes them more versatile compared to sensors that only provide continuous measurement outputs.
Limitations
A limitation of these sensors is their dependency on the medium of sound travel. The speed of sound can vary significantly in different gases, which can affect the accuracy of the measurements. Additionally, ultrasonic sensors might struggle with very small or soft objects that do not reflect sound waves effectively.
Considerations
When selecting switched/alarm ultrasonic linear position sensors, it is important to consider the initial costs, which can be higher than some other sensor types due to their advanced capabilities. Operating expenses are generally low, as these sensors do not require physical contact with the objects they measure, reducing wear and tear. However, accuracy can be affected by environmental conditions, so it is crucial to ensure that the sensor is suitable for the specific application environment. Replacement and maintenance costs are typically low, but regular calibration may be necessary to maintain accuracy.
from SensoPart
Detection regardless of object colour and surface. Compact miniature housing for use when machine space is limited. Synchronisation input – simultaneous operation of several sensors in highly limited spaces. Analogue output: 0 … 10 V or 4 … 20 mA [See More]
- Output: Voltage; Switched / Alarm
- Resolution: 0.2000
- Measurement Range: 0.7874 to 5.51
- Operating Temperature: -13 to 158
from GIMATIC S.r.l.
Ultrasonic sensor. • M18x1 mm ultrasonic sensors. • PNP/NPN digital output with NO or NC programmable logic. • 40-300 mm sensing range with programmable point via External Teach. • M12, 4 pin connector output. • Short and lightweight plastic body. • Lock nuts and... [See More]
- Output: Switched / Alarm
- Measurement Range: 40 to 300
from Automation24, Inc.
The UGT580 square-shaped ultrasonic sensor from ifm electronic with a transducer frequency of 300 kHz, programmable switching output and scalable 4-20 mA analog output, has a range of 40-300 mm. The ultrasonic sensor UGT580 is easy to place into operation with the help of the programming buttons. [See More]
- Output: Current; Switched / Alarm
- Sampling Frequency: 0.3000
- Measurement Range: 1.57 to 11.81
- Operating Temperature: -4 to 158
from Automation24, Inc.
The UGT581 cube-shaped ultrasonic sensor from ifm electronic with a transducer frequency of 300 kHz, programmable switching output and scalable 0-10 V analog output, has a range of 40-300 mm. The ultrasonic sensor UGT581 is easy to place into operation with the help of the programming buttons. Its... [See More]
- Output: Voltage; Switched / Alarm
- Sampling Frequency: 0.3000
- Measurement Range: 1.57 to 11.81
- Operating Temperature: -4 to 158
from Automation24, Inc.
The UGT582 cube-shaped ultrasonic sensor from ifm electronic with a transducer frequency of 230 kHz, programmable switching output and scalable 4-20 mA analog output, has a range of 60-800 mm. The ultrasonic sensor UGT582 is easy to place into operation with the help of the programming buttons. Its... [See More]
- Output: Current; Switched / Alarm
- Sampling Frequency: 0.2300
- Measurement Range: 2.36 to 31.5
- Operating Temperature: -4 to 158
from Automation24, Inc.
The UGT583 cube-shaped ultrasonic sensor from ifm electronic with a transducer frequency of 230 kHz, programmable switching output and scalable 0-10 V analog output, has a range of 60-800 mm. The ultrasonic sensor UGT583 is easy to place into operation with the help of the programming buttons. Its... [See More]
- Output: Voltage; Switched / Alarm
- Sampling Frequency: 0.2300
- Measurement Range: 2.36 to 31.5
- Operating Temperature: -4 to 158
from Automation24, Inc.
The UGT584 cube-shaped ultrasonic sensor from ifm electronic with a transducer frequency of 200 kHz, programmable switching output and scalable 4-20 mA analog output, has a range of 80-1200 mm. The ultrasonic sensor UGT584 is easy to place into operation with the help of the programming buttons. Its... [See More]
- Output: Current; Switched / Alarm
- Sampling Frequency: 0.2000
- Measurement Range: 3.15 to 47.24
- Operating Temperature: -4 to 158
from Automation24, Inc.
The UGT585 cube-shaped ultrasonic sensor from ifm electronic with a transducer frequency of 200 kHz, programmable switching output and scalable 0-10 V analog output, has a range of 80-1200 mm. The ultrasonic sensor UGT585 is easy to place into operation with the help of the programming buttons. Its... [See More]
- Output: Voltage; Switched / Alarm
- Sampling Frequency: 0.2000
- Measurement Range: 3.15 to 47.24
- Operating Temperature: -4 to 158
from Automation24, Inc.
The UGT592 cube-shaped ultrasonic sensor from ifm electronic with a transducer frequency of 300 kHz, NO/NC programmable switching output, has a range of 40-300 mm. The ultrasonic sensor UGT592 is easy to place into operation with the help of the programming buttons. Its high protection rating of... [See More]
- Output: Switched / Alarm
- Sampling Frequency: 0.3000
- Measurement Range: 1.57 to 11.81
- Operating Temperature: -4 to 158
from Automation24, Inc.
The lcs+340/DD square-shaped ultrasonic sensor from microsonic, with a transducer frequency of 120 kHz and 2 PNP switching outputs which are programmable as NCC or NOC, has an operating range of 350-3,400 mm. By using the programming button, the lcs+340/DD ultrasonic sensor can easily be put into... [See More]
- Output: Switched / Alarm
- Sampling Frequency: 0.1200
- Measurement Range: 13.78 to 134
- Operating Temperature: -13 to 158