Best Proximity Sensors of 2025

The Twidec Inductive Proximity Switch is a cylinder-shaped sensor designed to detect iron objects within a 4mm range. The switch is operated with a DC 6-36V supply voltage and has a 300mA current output. It comes with a 1.2m cable and weighs only 44g. The switch is made of plastic and alloy materials and is easy to install.

The Taiss Inductive Proximity Switch is a cylinder-type sensor with a metal shell, designed to detect iron objects at a distance of 4mm (+/-10%) using inductive technology. It has a 3-wire type, NPN NC output and can operate at a supply voltage of DC 6-36V. With a column sensor diameter of 10.4mm/0.4" and thread diameter of 12mm/0.5", it has a total size of 66 x 21mm/2.6'' x 0.8'' (L*Max.D) and comes with a 1.16m/35.7'' cable. The Taiss Inductive Proximity Switch is made of plastic and metal and weighs only 100g.

Haldzemo Sensor SN04-N is a 3-wire NPN NO inductive proximity sensor with a 4mm detection distance and a supply voltage range of 5-30VDC. It features an LED working indicator that lights up when metal objects are detected. The wiring method is straightforward, with brown connecting to positive, blue to negative, and black to the load. This sensor is ideal for the machine tool industry, frequency counters, automatic control systems, and DIY 3D printers. With its precise detection capabilities and easy installation, Haldzemo Sensor SN04-N offers convenience and efficiency for various applications.

The AMEIP Proximity Sensor is a compact and reliable device designed for detecting various metals with a detection range of 4mm ± 10%. Its brass nickel-plated shell ensures durability, resisting rust and fading over time. The high-quality copper wiring enhances its electrical conductivity, making it a strong and dependable choice for your automation needs. This sensor is perfect for applications in mechanical automation, machine tools, and assembly lines, providing you with efficient and accurate detection capabilities that enhance operational productivity.

The InduSKY Inductive Proximity Sensor is a high-quality component used in automatic control industries for detecting and contactless switching. Its ABS material detection surface and built-in intelligent sensing chip allows for sensitive detection with an output type of NPN NO. The proximity switch has a strong anti-interference ability with TVS tube protection and a non-contact output, making it durable and long-lasting. Ideal for mechanical automation, 3D printing limit positioning, and other industrial applications.

This inductive sensor from Twidec can detect metal objects up to 10mm away with a supply voltage range of 5-30VDC. The output state is normally open NPN three lines and features an LED indicator for output. With a thread diameter of 12mm and a load current of 150MA, this sensor is made of durable metal and copper plastic components. The package includes one NJK-5002C Hall Effect Sensor with a net weight of 50g.

The GoHz M12 Proximity Sensors are designed to detect various metals at short distances, making them ideal for quick and precise applications. Their durable brass nickel-plated shell ensures resistance to rust and wear, providing long-lasting performance. With robust copper wiring, you can count on excellent electrical conductivity, which enhances reliability in your electronic devices. Furthermore, these sensors come equipped with essential safety features like reverse power and short circuit protection, allowing you to directly connect them to a PLC or replace smaller switches with ease.

The EC Buying Ultrasonic Sensor is designed for precise distance measurement, ranging from 2cm to 500cm with a fine resolution of 0.3cm. This feature allows you to achieve accurate readings for various applications, whether you're working on robotics or automation projects. Connecting the sensor is straightforward, thanks to its VCC, trig, echo, and GND pins, making integration easy for you. Additionally, its low power consumption of less than 2mA is perfect for battery-operated devices, ensuring you can use it without draining your power source quickly. With reliable performance, you can trust this sensor for consistent results in your projects.

Haldzemo Sensor 4mm NPN NO is a versatile inductive proximity sensor ideal for various applications. With a 4mm detection distance and 12mm diameter, this sensor is perfect for precise proximity detection. Operating at 6-36VDC with a 300mA current output, it provides reliable performance. The convenient wiring method simplifies installation - brown connects to positive, blue to negative, and black to the load for signal output. When close to a target object, it sends out a control signal, making it essential for tasks like station limiting, orientation count, and speed trials in industries like machine and paper making.

The RATTMMOTOR Proximity Sensor is designed for reliable detection with a sensing range of 4mm, making it ideal for applications where precise measurements are crucial. It operates on a voltage range of DC 6-36V, allowing for versatility in various setups. The sensor features a three-wire configuration—brown, black, and blue—for easy installation, ensuring that users can quickly integrate it into their systems. Additionally, it utilizes an NPN output type, providing a normally open connection that enhances user control and responsiveness in automation tasks.