Autonics PR18-5DP Inductive Proximity Sensor – M18, 5 mm, PNP, DC 3-Wire
Autonics PR18-5DP is an M18 inductive proximity sensor with a 5 mm sensing distance and a PNP DC 3-wire output.
Ideal for reliable metal detection in PLC-based industrial automation and control panels.
The Autonics PR18-5DP is a rugged inductive proximity sensor designed to detect metal objects only. Featuring an M18 threaded housing, 5 mm sensing distance (flush/shielded), and PNP DC 3-wire output, it is well-suited for PLC-controlled machines and industrial automation systems requiring stable, repeatable sensing.
Detects metal objects only (inductive principle)
Robust M18 cylindrical housing
5 mm sensing distance (flush / shielded)
PNP, DC 3-wire output
Red LED operation indicator
Reverse polarity & short-circuit protection
High repeatability and fast response
IP67 protection for harsh industrial environments
| Parameter | Value |
|---|---|
| Model | PR18-5DP |
| Sensor Type | Inductive Proximity Sensor |
| Housing Size | M18 |
| Installation | Flush (Shielded) |
| Sensing Distance | 5 mm |
| Setting Distance | 0 – 3.5 mm |
| Standard Target | Iron 18 × 18 × 1 mm |
| Output Type | PNP |
| Wiring | DC 3-Wire |
| Supply Voltage | 12–24 V DC (10–30 V DC operating) |
| Current Consumption | ≤ 10 mA |
| Control Output | Max. 200 mA |
| Response Frequency | Approx. 500 Hz |
| Indicator | Red LED |
| Protection Rating | IP67 |
| Ambient Temperature | −25 °C to +70 °C |
| Cable Length | 2 m |
| Body Material | Nickel-plated brass |
| Sensing Face | PBT |
PLC-based automation systems
Conveyor & material handling
Packaging & assembly machines
CNC & special-purpose machines
Control & junction panels
Position, limit & counting detection
1 × Autonics PR18-5DP Sensor
2 × Mounting nuts
1 × Washer
Instruction leaflet
Q1. What material can PR18-5DP detect?
Only metal objects (inductive sensing).
Q2. What is the difference between PR18-5DP and PR18-5DN?
PR18-5DP has PNP output; PR18-5DN has NPN output.
Q3. Is this suitable for PLC inputs?
Yes. PNP DC 3-wire sensors are commonly used with modern PLC digital inputs.
Q4. Can it be used in dusty or oily environments?
Yes. IP67 protection ensures reliable operation.
Q5. What is the sensing distance?
5 mm for a standard iron target.
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