PR18 Otto 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 PR18
Dimension
Sense distance 5mm±10%
Flush type DC10~30VDC NPN NO PR18-5DN
NC PR18-5DNB
NO+NC PR18-5DN3
PNP NO PR18-5DP
NC PR18-5DPB
NO+NC PR18-5DP3
Two-wire system NO PR18-5DO
NC PR18-5DC
AC90~250VAC NO PR18-5OA
NC PR18-5OC
NO+NC PR18-5OC3
Sense distance 8mm±10%
Non-flush type DC10~30VDC NPN NO PR18-8DN
NC PR18-8DNB
NO+NC PR18-8DN3
PNP NO PR18-8DP
NC PR18-8DPB
NO+NC PR18-8DP3
Two-wire system NO PR18-8DO
NC PR18-8DC
AC90~250VAC NO PR18-8OA
NC PR18-8OC
NO+NC PR18-8OC3
Output current DC 200mA
AC 300mA
Output voltage peak DC type below 3V、Two wire type below 3.9V、 AC below l0V DC<3V, AC<10V
Consumption current DC type 8mA at 12V, 15mA at 24V, AC below 10mA DC<15mA, AC<10mA
Standard detected object 30×30×1 (A3 iron)
Repeatability 0.05
Response frequency 200Hz/25Hz
Ambient temperature -30℃-+85℃
Insulation resistance 50MΩ
Shell material Metal
Protection grade IP67
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