Did you know? The proximity sensors the world is using today comes a long way because 62 years ago, around 1958, the first proximity sensors were invented that changed the world of automation.
To further understand what proximity sensors are, let us look at the features and types of proximity sensors.
Features of Proximity Sensors
Non-contact Sensing. Can detect the presence of an object without any physical contact.
Unaffected by Surface Condition. There are no changes, even detecting objects with different colours.
Suitable for Wide Range of Applications. It's usable in any damp and temperature condition.
Longer-lasting. It can last longer because there are no moving parts that depend on the operating cycle.
Quick Response. Even without touch or physical contact, proximity sensors offer a quicker response rate.
Types of Proximity Sensors
Capacitive Proximity Sensors. Aside from metallic and non-metallic objects, this can also detect liquid, powder, and granular without any physical contact.
Ultrasonic Proximity Sensors. It can detect the presence of an object directly through emitting high-frequency of ultrasonic range.
Inductive Proximity Sensors. It can only detect all metal objects.
IR Proximity Sensors. IR stands for Infrared that can detect the presence of an object by emitting a beam on a certain surface.
Photoelectric Sensors. A type of proximity sensor that can use a high-end photoelectric technology that can detect all sorts of objects.
Magnetic Proximity Sensors. As for this device, it can only detect magnetic objects through a specific range.
LiDAR Proximity Sensors. Like photoelectric sensors, this can also use a higher-end sensing technology that can provide excellent maximum detection range with quick updates. However, the price is exceeding high compared to other proximity sensors.
With all of this information, have you understood what proximity sensors are? If your answer is no, and you want to know more about these devices, then contact this sensor supplier called Pepperl+Fuchs Asia in Singapore, and see if their sensors are worth your budget!
