A-level LHM12 A-Levelinductive 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 A-level LHM12
Dimension
Sense distance 2mm±10%
Flush type DC10~30VDC NPN NO LHM12-3002NA
NC LHM12-3002NB
NO+NC LHM12-3002NC
PNP NO LHM12-3002PA
NC LHM12-3002PB
NO+NC LHM12-3002PC
Two-wire system NO LHM12-3002LA
NC LHM12-3002LB
AC90~250VAC NO LHM12-2002A
NC LHM12-2002B
NO+NC LHM12-2002C
Sense distance 8mm±10%
Non-flush type DC10~30VDC NPN NO LHM12-3004NA
NC LHM12-3004NB
NO+NC LHM12-3004NC
PNP NO LHM12-3004PA
NC LHM12-3004PB
NO+NC LHM12-3004PC
Two-wire system NO LHM12-3004LA
NC LHM12-3004LB
AC90~250VAC NO LHM12-2004A
NC LHM12-2004B
NO+NC LHM12-2004C
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 18×18×1 (A3 iron)
Repeatability 0.02
Response frequency 200Hz/25Hz
Ambient temperature -25℃-+75℃
Insulation resistance 50MΩ
Shell material Metal
Protection grade IP67
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