how proximity sensor works

Bestseller No. 1
InduSKY 2pcs 8mm Inductive Proximity Sensor Detecting Distance Approach Sensor Cylinder Proximity Switch NPN NO DC 6-36V 300mA 3-Wire
  • 【High Quality】: Brass nickel-plated shell, not easy to rust and fade. With 115CM high-quality copper wire, strong and durable, and excellent electrical conductivity.
  • 【Sensitive Detection】: ABS material detection surface, the built-in intelligent sensing chip of the proximity switch can sensitively detect objects, when proximity switch is close to single target object, it will send control signal.
  • 【Strong anti-interference】:TVS tube protection, strong anti-interference ability. Non-contact output, and long service life.
  • 【Theory】: Output Type: NPN NO(Normal Open); Diameter of Head : 18mm;Detecting Distance: 8mm; Supply Voltage: DC 6-36V; Current Output : 200-300mA; Detect Object : Metal.
  • 【Application】: It is a component widely used in automatic control industry for detecting, controlling, and contactless switching. It is Widely used in mechanical automation, 3D printing limit positioning, paper making, light industry for limiting station, orientation taking count, speeding trial etc.
SaleBestseller No. 2
URBEST 8mm Detecting Distance Approach Sensor Inductive Proximity Switch NPN NO DC 6-36V Cylinder Type
  • Item Name : Inductive Proximity Switch; Model : LJ18A3-8-Z/BX; Package Qty: 1 Piece Switch
  • Wire Type : DC 3 Wire Type (Black, Brown, Blue);Switch Appearance Type : Cylinder Type; Material : Plastic, Alloy;
  • Theory : Inductive Sensor; Output Type: NPN NO(Normal Open);Diameter of Head : 18mm;Detecting Distance : 8mm
  • Supply Voltage : DC 6-36V;Current Output : 300mA;Detect Object : Iron;
  • Operating Temperature : -25C to +55C (Non-freezing Condition);Size : 7 x 3cm/2.8'' x 1.2'' (L*Max. Dia);Cable Length : 103cm / 40.55"
Bestseller No. 3
Taiss 1pcs LJC18A3-H-Z/BX 1-10mm Sensor Switch Capacitance Proximity Sensor Switch NPN NO(Normally Open) DC 6-36V 300mA M18 3-Wire
  • Special attention: There are two friends recently. The reaction product does not work, First note: our products are 100 % tested before they leave the factory. Solution: 1. Turn Switch control sensing distance behind the product; 2 .Send us an email and we will send you a new one.Product Name : Capacitive Proximity Switch; Model : LJC18A3-H-Z/BX;
  • Wire Type : DC 3 Wire Type (Brown, Black, Blue);Theory : Capacitance Sensor; Output Type : NPN NO(Normal Open);Diameter of Head : 16mm; Thread Diameter:18mm; Detecting Distance : 1-10mm
  • Detecting Object : Metal or Nonmetal Material; Supply Voltage : DC 6-36V;Current Output : 300mA;Response Frequency : 100Hz
  • Operating Temperature : -25 to +65 Celsius (Non-freezing Condition);Size : 7.5 x 3cm / 3"x 1.2"(L*Max. Dia);Cable Length : 120cm/47";External Material : Plastic, Alloy
  • Net Weight : 85g;Color : Silver Tone, blue, Gray; Package Content : 1 x Capacitive Proximity Switch
Bestseller No. 4
Pro Controller for Wii U, PowerLead Wireless Controller Gamepad for Nintendo Wii U Dual Analog Game Remote Joystick (White)
  • Designed for accessibility and extended gameplay comfort. The gamepad is designed with 3D rocker, 360° high precision.
  • Operate easily and quickly. Ergonomic grip, Non-slip texture, matte feel, long-term grip is not tired.
  • All controllers has passed the strict repeat keystrokes test, ensure the good performance of the buttons , provide stability and basically zero game delay.
  • High quality pressure sensitive D-Pad, high sensibility and accuracy action button, give you the fastest gaming experience.
  • Wirelessly connect.This wireless controller for Wii U pro console uses Bluetooth to wirelessly connect with Wii U console and the effective distance is within 8 meters. Have a stable connection signal and no need to worry about delay and dropped calls. At the same time, the distance of 8 meters allows your child and you to play the game without special proximity to the game console. To protect you and your child's vision, without worrying about the child's health problems.
Bestseller No. 5
HTC Vive Virtual Reality System
  • FLEXIBLE PLAY AREA - Use VIVE seated, standing or in a space up to 11'5" x 11'5". SteamVR Tracking provides the most ideal experience possible, so play the way that works for you.
  • FULLY IMMERSIVE - Realistic movement and actions from precise, 360-degree controller and headset tracking with realistic graphics, directional audio and HD haptic feedback in the virtual world
  • POWERED BY STEAM VR - Enjoy over 1500 games for SteamVR, plus everything you love about Steam, including new releases, automatic game updates and millions of your closest friends
  • PLAY SAFER - The Chaperone system warns you when you reach the boundaries of your play area and the headset's front-facing camera gives you a glimpse of the real-world when you need it
  • VIVE VIDEO - An immersive, cinematic VR video player for standard, 3D, 180 and 360 degree videos. Available free on VIVEPORT and Steam.
Bestseller No. 6
YPLANG for iPhone 8 Screen Replacement, LCD Display 3D Touch Screen Digitizer Full Assembly with Proximity Sensor, Ear Speaker and Front Camera (iPhone 8 White FBM)
  • 【GREAT REPLACEMENT】USE to replace faulty, defective, cracked, dead iPhone 8 display screen full assembly. This iPhone 8 screen replacement kit includes everything you need to successfully fix the phone.
  • 【PERFECTT PACKAGE】:Pre-installed LCD screen, installation manual, 3 x Magnetic screwdrivers, crowbar, wiper, suction cup, screen protector, SIM card opener and plastic triangle opening tool. Screens and tools are packed in protective bag and are not easily damaged or crushed.
  • 【QUALITY SATISFACTION】:All iPhone 8 screen pass strict technical tests before shipping to avoid happening of the black screen, ghost touch, stripe lines before shipping. 3 months warranty for non-human factors. If there is a problem, please find your order and contact us at any time, we will solve it for you as soon as possible.
  • COMPATIBILITY】Only fit for iPhone 8 LCD screen replacement Black (A1863, A1905, A1906). Not compatible for 8 Plus 5.5 inch. You can check on the backside of your phone, please do not confuse it with other version.
  • 【EASY INSTALLATION】: All our customers receive an email covering YouTube links on how to install, and everyone can do it easily. You can watch YouTube video to install the new screen.YPLANG screen replacement for iPhone 8 with 3 prongs is Proximity Sensor,Front Facing Camera,Earpiece Speaker.Our replacement screen will reduce the risk when you replace small parts from your old screen. (NO home button,you need to transfer from your old phone.
Bestseller No. 7
Frostory Car Reverse Backup Parking Sensor Radar System, Buzzer beeps, Detection Distance:30~150CM, Waterproof Sensors (22mm Diameter 2.3M Cable) 4 Packs X60D (Black)
  • Double CPU and upgraded chip for improve coverage and detection (0-2.5m)
  • Water-resistant, anti-freeze, operating temperature:-40 ~ +80. Work in almost any weather
  • BiBiBi beeps progressively when close to obstacle
  • Rated working voltage:10V~16V DC
  • Easy to install
SaleBestseller No. 8
Woods 59413 59413WD Outdoor Conduit Lighting Control With Photocell and Swivel Mount (Hardwired, Black)
  • ENERGY-SAVING OUTDOOR LIGHT CONTROLLER: the photocell in the outdoor lighting control charges using sunlight and automatically switches on lights at dusk and off at dawn, giving you energy savings and convenience without the need for manual operation
  • EASY-TO-USE OUTDOOR LIGHTS CONTROL WITH SWIVEL BASE: the swivel base of the outdoor light control can be positioned at the precise spot, focusing light on where you need it to be is effortless
  • SMART OUTDOOR MOTION LIGHT CONTROL: the delay feature in the outdoor motion sensor light control prevents the accidental triggering off the light due to a stray animal, the headlights of a passing car or lightning
  • VERSATILE OUTDOOR LIGHT CONTROLS: this outdoor lighting control is great for controlling outdoor lighting on walkways, driveways; the outdoor lighting control is compatible LED, CFL, fluorescent, incandescent and other types of bulbs
  • OUTDOOR LIGHT CONTROLLER WITH SWIVEL BASE SPECIFICATIONS: AC 120 input voltage; threaded diameter 1.06 inch
Bestseller No. 9
Motion Sensor Alarm, Wireless Security Driveway Alarm, Home Motion Sensor Detect Alert with 3 Sensor and 2 Receiver,38 Chime Tunes - LED Indicators
  • EARY TO USE-Easy, Fast, Wire Free Installation, Infrared sensor detects motion and sends a signal to the receiver. Chose from 38 Ringtones with Bright LED Light.
  • LONG RANGE CONNECTIION-Working Range up to 328 feet (100 meters) Optimum distance between receiver and transmitter, more conducive to motion sensor alarm warn you of arrival and departure of family members.
  • APPLICABL PLACE-Ideal for front doors, window frames, driveways, walking paths, and anywhere in your home you want to be alerted to motion. Provide you with safe protection.
  • Wireless Plug-in Receiver: The sensor uses 3 AAA batteries (Not Included).The portable wireless plug-in receiver plugs into any standard outlet. Detection time delay in between motion sensor alerts is configurable from 15 seconds to 30 seconds, just place the motion sensor alarmat the entrance to your driveway and the receiver inside your home.
  • MULTIPLE SENSORS- 3 Sensor and 2 Receiver- Receiver support to pair with multiple sensors, Sensors can be installed on different floors (rooms) to ensure that alert chime. Please note that this not waterproof.Keep it away from rains or cover adequately.
Bestseller No. 10
Wireless Driveway Alarm, Motion Detector, Outdoor Motion Sensor Weather Resistant (1 Black Sensor Only)
  • Protect Your Family & Property - With Wireless Driveway Alarm, be alerted the moment visitors, vehicles, or even potential intruders enter your property lines, driveway, front porch, gate, shed, walkways and garage. Also great for being alerted if your kids get to close to the swimming pool or areas they shouldn’t go. Each sensor can be placed up to 1000ft/300m away from the receiver (depending on obstacles and environment).
  • Fully Customizable and Expandable - Create up to four unique detection zones with 4 sensors each, meaning up to 16 total sensors per receiver protecting your property. LED lights on the receiver indicate which sensor zone has detected movement so you can act quickly. THE ALARM SOUND OF THE 4TH ZONE CAN BE CUSTOMIZED FROM AMONG 36 AVAILABLE MELODIES. If you need custom ringtones, please install the PIR sensor in the 4th zone.
  • Avoid False Alarms with Adjustable Sensor Windows - Rotate the cap on the PIR (Passive Infrared) sensor to adjust its detection angle between 30°, 45°, and 60°. Proper adjustment can help avoid false alarms from passing cars, small animals, or even leaves in the wind. Our sensor uses Passive Infrared Technology to pick up motion AND heat, meaning dead leaves won’t activate it.
  • Super Easy to Install & Diy - Takes only a few minutes to set up. The recommended installation height for the PIR sensor is 3.3-4.9ft(1.0-1.5m). The PIR sensor detecting distance is 16.4-26.2ft(5-8m). Install the PIR sensor in key monitoring areas such as the entrance to a garage, store, or house. Please kindly install the sensor 3-4 feet off the ground, which can keep wind and many small animals from triggering the sensor.
  • Excellent Quality - The PIR sensor is made of double waterproof/weatherproof material rated IP65 and has been extensively tested in extreme weather. Suitable for both outdoor and indoor use. Note: Package Includes 1 x Receiver, 2 x PIR Sensors, 2 x Base for PIR Sensor Installation, 8 x Wall Plugs, 8 x Screws, 1 x Screwdriver, 1 x Instruction Manual.

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