CR18-8DN Autonics Proximity Sensor (Capacitive Sensor)
Autonics CR18-8DN Capacitive Proximity Sensor (M18, DC NPN, NC)
The Autonics CR18-8DN is an M18 capacitive proximity sensor with an 8 mm sensing distance and a DC NPN normally-closed output.
Ideal for detecting non-metallic materials such as plastic, liquid, powder, and granules in industrial automation.
The Autonics CR18-8DN is a cylindrical M18 capacitive proximity sensor designed for reliable detection of metallic and non-metallic objects. With an 8 mm sensing range and DC NPN normally-closed output, it is widely used in material level detection and presence sensing applications across industries.
Unlike inductive sensors, capacitive sensors can detect plastics, liquids, powders, grains, and other non-conductive materials, making this model ideal for packaging, process automation, and OEM machinery.
Key Features
Capacitive sensing technology for non-metallic materials
M18 cylindrical threaded body
8 mm adjustable sensing distance
DC 3-wire, NPN, Normally Closed (NC) output
Stable detection of solids, liquids, and granular materials
LED operation indicator
Industrial-grade housing for long service life
Technical Specifications
| Parameter | Specification |
|---|---|
| Sensor Type | Capacitive Proximity Sensor |
| Model | CR18-8DN |
| Body Size | M18 |
| Sensing Distance | 8 mm (adjustable) |
| Output Type | NPN, Normally Closed (NC) |
| Power Supply | 12–24 V DC |
| Wiring | 3-wire |
| Output Current | ≤ 200 mA |
| Indicator | LED (Operation status) |
| Housing Material | Metal (threaded body) |
| Protection Rating | IP65 / IP67 (typical for series) |
| Operating Temperature | -25 to +70 °C |
Applications
Plastic container detection
Liquid level sensing through non-metal tanks
Powder and granule level detection
Packaging machinery
Food & beverage processing equipment
Pharmaceutical machinery
Automation panels and OEM machines
What’s in the Box?
Autonics CR18-8DN Capacitive Proximity Sensor
Mounting nuts (2 Nos)
Product leaflet/instruction manual
FAQ
Q1. Is this sensor suitable for detecting liquids?
Yes. Being a capacitive sensor, it can detect liquids even through non-metal containers.
Q2. What does “DN” mean in CR18-8DN?
DN indicates DC NPN output with Normally Closed (NC) logic.
Q3. Can this sensor detect plastic materials?
Yes. It is ideal for plastic, powder, granules, and other non-metallic materials.
Q4. Is sensing distance adjustable?
Yes. The sensing range can be fine-tuned using the built-in sensitivity adjustment.
Q5. Is it suitable for automation panels?
Yes. It is commonly used in control panels, OEM machines, and industrial automation systems.