50mm IP67 Inductive Non Flush Sensor

LMF39-3050NA Main features: Compact volume. High precision of repeated location. Diversified exterior structures. Good performance of anti-interference. Many output forms. High on-off frequency. Wide voltage range. Dust proof, vibtation proof, water proof and oil proof. With short-circuit protection and inverted connecting protection. Long service life.


Working principle inductive proximity switch

  Inductive proximity switch is composed of three parts: oscillator, switch circuit and magnified output circuit. The oscillator will generate an alternating electric field. When hemetal object approaches this electric field and reaches the induction distance, whirlpool will generate in metal object, resulting in attenuation of vibrati on and then stop. The changeof vibration and stop of oscillator is treated by begid stage magnified circuit and convertedto switching sign, triggering driving con-contact detection.


Main features

  • Compact volume

  • High precision of repeated location

  • Diversified exterior structures

  • Good performance of anti-interference

  • Many output forms

  • High on-off frequency

  • Wide voltage range

  • Dust proof, vibtation proof, water proof and oil proof

  • With short-circuit protection and inverted connecting protection

  • Long service life


Structural categoryPlane installation type
Non-flushDetection distance1 -50mm
10-30 VDCNPNNOLMF39-3050NA
Two wire systemNOLMF39-3050LA
NCLMF39 -3050LB
90~ 250 VACSCR Controllable siliconNOLMF39 -2050A
NO+NCLMF39 -2050C
Relay outputLMF39-2050JC
Control outputDC200mA
SCR/Relay300mA/ 2A
Output voltage dropDC/ACDC<3V , AC<10V
Consumption currentDC<15mA , AC<10mA
Standard detected object120×120×1(A3iron)
Repeated precision0.5
DC/AC Response frequency50Hz/10Hz
Working environment temperature-25℃~ +75℃
Insulation resistance50MΩ
Shell material
Protection gradeIP67



YUMO sensor catalouge-13

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