LJ18A3 8 Z BX DC6 36V Inductive Proximity Sensor Detection Switch Cable NPN Normally Open font
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LJ18A3 8 Z BX DC6 36V Inductive Proximity Sensor Detection Switch Cable NPN Normally Open font
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LJ18A3-8-Z BX DC6-36V Inductive Proximity Sensor Detection Switch Cable NPN Normally Open Electronic Wire 18mm

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LJ18A3-8-Z BX DC6-36V Inductive Proximity Sensor Detection Switch Cable NPN Normally Open Electronic Wire

LJ12A3-8-Z Product Description

Working Principle:

Inductive proximity switches, also known as inductive proximity sensors, metal sensors. The switch contains high-frequency oscillation circuit, detection circuit, amplifier circuit, the solution circuit and the output circuit. When the power is supplied to the switch, the oscillator in the high frequency oscillation circuit generates an alternating electromagnetic field on the detection surface of the switch. When there is a metal close to the switch detection surface, the eddy current inside the metal absorbs the energy of the alternating electromagnetic field in the oscillator. The oscillator is weakened or stopped. Oscillator energy changes in the two states, the detection circuit is converted to a level signal, through the amplifier circuit to amplify the level signal after the trigger circuit to trigger the output transistor transistor circuit to produce a switch signal. Thereby detecting the presence or absence of the metal. To achieve the purpose of metal detection.

Characteristic Parameter:

  • Lag distance: detection distance of 10% or less
  • Detection of objects: metal body
  • Power supply voltage: DC type: DC12-24V (6-36V) Pulsation (P-P) 10% or less, AC type: AC110V-250V 50 / 60HZ
  • Current consumption: NPN PNP type 13MA or less
  • Control output: DC type: 300MA or less, AC type: 400MA or less
  • Self-protection: DC type: power supply wrong protection, surge absorption protection, load short circuit protection.
  • Use of the environment: Temperature: -30 degrees to 70 degrees (no ice without cream -30% RH – 95% RH)
  • Insulation resistance: 50 megohm (DC500 megohm table) between the charging part and the shell
  • Withstand voltage: AC1000V 50 / 60HZ 1min between the charging part and the shell
  • Temperature effects: temperature range -30 degrees to 65 degrees. 23 degrees, plus or minus 15% within the detection distance; Temperature range: -25 ~ 60 degrees, 23 degrees, plus or minus 10% within the detection distance
  • Voltage effect: rated power supply voltage range plus or minus 15%, the switch detection distance of positive and negative 10%; power supply voltage exceeds the rated voltage plus or minus 15% will open when the damage
  • Design structure: IP67 (IEC specification)
  • Material: Metal parts: brass, plastic parts: PBT

Product Parameters:

  • Power supply voltage: 6-36VDC
  • Detection distance: 8MM (effective detection distance 0-8MM)
  • Load current: 300MA
  • Output type: NPN three lines (non-embedded)
  • Output status: NO (NO)
  • Detection of objects: metal objects
  • Material: Metal parts (copper) Plastic parts (PBT)
  • External lead: 1.2 m (standard, customizable)
  • Output indication: LED (red)
  • Shape Specifications: Diameter: 18MM Thread Length: 40 Total Length: 70MM

NPN: refers to the sensor signal output level signal: low (negative), common positive PNP: only sensor signal line output level signal: high (positive), total negative DC VDC: When the sensor indicates that the power supply for the VDC, it is strongly recommended to use switching power supply. AC VAC: When the sensor is marked for VAC, it can be used within the indicated AC voltage range Normally open (NO): refers to when the switch is detected when the output of a signal, no detection is not output Normally closed (NC): refers to when the switch is not detected when the output is not detected when not output a signal

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