SM8 Hall Type Proximity Switch
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Explanation of The Meaning Of Proximity Switch Model

A proximity switch is a position sensor that can detect the presence of obiects without direct contact, it is widely used in various industrial automation and control systems for control the movement of mechanical equipment, monitoring the position of items on the production line, counting, etc, Proximity switches can provide fast and reliable detection functions, and as they do not require physical contact, they can reduce wear and tear damage, extend service life. Proximity switches can be mainly divided into the following categories based on their working principles:

1. inductive proximity switch: detects obiects by utilizing their influence on the electromagnetic field. When a metal object approaches, it will change the electromagnetic field around the switch, triggering the switch action, This type of proximity switches are commonly used to detect metal obiects.

2. Capacitive proximity switch: achieves detection by detecting the influence of objects on the electric field. when an object approaches, it will change the capacitance between the two plates of the capacitor, triggering the switch. Capacitive approach the switch can be used to detect both metallic and non-metallic objects.

3. Hall type proximity switch: a device that identifies objects approaching by detecting changes in magnetic fields. When a magnetic object approaches a sensor, it changes the magnetic field around the sensor. Due to the changes in the magnetic field. A voltage diference is generated on both sides of the hall sensor, and the Hall voltage is converted into an electronic signal. This type of proximity switch is usually used to detect magnetic objects.

 

Model SM8
Dimension
Sense distance 10mA±10%
Flush type DC2~24VDC NPN NO SM8-3010NA
NC SM8-3010NB
PNP NO SM8-3010PA
NC SM8-3010PB
Supply voltage 2-24VDC
Detectable objects Permanent magnet
Low Level Output Voltage 200mV
Output high-level current 0.1uA
Power supply currentt 8mA
Switching frequency 320KHZ
Switching point magnetic strength 22mT
Housing material Metal
Ambient temperature -25℃-+75℃
Protection grade IP67
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