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CAP18-8N-2M Capacitive Proximity Sensor – GX Sensor

The CAP18-8N-2M Capacitive Proximity Sensor from GX Sensor is a high-performance industrial sensing device designed to detect both metal and non-metal objects without physical contact. Capacitive proximity sensors are widely used in automation systems to detect materials such as plastic, glass, liquid, powder, wood, and metal.

This M18 threaded capacitive sensor provides an adjustable sensing distance of 2.0–8.0 mm, making it suitable for a wide range of industrial applications including packaging machines, filling machines, automation equipment, and material detection systems.

The CAP18-8N-2M model features NPN output with both NO (Normally Open) and NC (Normally Closed) switching options, ensuring flexible integration with PLC systems and industrial controllers. With an IP65 protection rating, the sensor is resistant to dust and water, making it ideal for harsh industrial environments.

Industries such as manufacturing, packaging, automotive, pharmaceutical, and food processing commonly rely on capacitive proximity sensors for accurate detection and reliable automation.

CAP18-8N-2M Capacitive Proximity Sensor Overview

The CAP18-8N-2M is designed with a durable M18 threaded housing, allowing easy installation in industrial panels or machinery. It offers adjustable sensing sensitivity, enabling operators to fine-tune the detection distance depending on the material type.

Key Features

Adjustable sensing range 2.0 – 8.0 mm
NPN Output (NO + NC)
M18 cylindrical threaded body
IP65 protection rating
Built-in yellow LED indicator
10-40V DC operating voltage
Fast 1.5 ms response time
PVC cable connection (2 meters)

This sensor is engineered for stable switching performance, long service life, and high repeat accuracy, making it a reliable choice for modern industrial automation systems.

Popular Capacitive Sensor Brands

Several leading global manufacturers produce high-quality capacitive proximity sensors used in industrial automation, robotics, packaging machines, and smart manufacturing systems. Below are some well-known brands along with their popular models.

SICK

SICK is a globally recognized German manufacturer specializing in industrial sensors, safety systems, and automation technology. The company is known for its high precision sensing solutions used in factories, logistics, and robotics. Their capacitive sensors offer reliable detection, robust construction, and excellent switching performance in demanding industrial environments.

Popular Models:

CM18-08NPP-KC1
CQ28-10NPP-KC1
CM12-04NPP-KC1

Omron

Omron is a Japanese multinational company well known for automation components, industrial sensors, and control systems. Their capacitive proximity sensors are widely used for liquid level detection, plastic detection, and packaging machine automation. Omron sensors are valued for their long service life, stable sensing accuracy, and easy PLC integration.

Popular Models:

E2K-C25ME1
E2K-C25MF1
E2K-C20ME2

Autonics

Autonics is a well-known South Korean manufacturer producing industrial sensors, controllers, and automation devices. Their capacitive sensors provide stable sensing performance and adjustable sensitivity, making them ideal for industrial detection applications. Autonics sensors are commonly used in packaging lines, conveyors, and production machinery.

Popular Models:

CR18-8DN
CR18-8DP
CR30-15DN

Balluff

Balluff is a German automation company specializing in industrial sensors, networking systems, and RFID technology. Their capacitive sensors are designed for accurate detection of liquids, powders, and non-metal materials. Balluff sensors are widely used in automotive production, machine building, and factory automation.

Popular Models:

BCS M18T4D2-PSC15G-S49G
BCS M30T4D2-PSC15G-S04G
BCS M12T4D2-PSC15G-S49G

Pepperl+Fuchs

Pepperl+Fuchs is a German company specializing in industrial sensors and explosion-proof automation equipment. Their capacitive proximity sensors are known for high durability, excellent detection stability, and industrial-grade reliability. These sensors are widely used in hazardous environments, chemical industries, and process automation systems.

Popular Models: