PRT08-2DO Autonics Inductive Proximity Sensor
Autonics PRT08-2DO Inductive Proximity Sensor – M8, 2 mm, NPN, DC 3-Wire
Autonics PRT08-2DO is a compact M8 inductive proximity sensor with 2 mm sensing distance and NPN DC 3-wire output.
Designed for accurate metal detection in space-constrained PLC-controlled automation.
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The Autonics PRT08-2DO is a miniature cylindrical inductive proximity sensor engineered to detect metal objects only in compact industrial automation setups. With its M8 threaded housing, 2 mm sensing distance (flush type), and NPN DC 3-wire normally open output, it delivers fast and stable detection for PLC panels, small machines, jigs, and OEM equipment where space is limited but reliable sensing is essential.
Key Features
Detects metal objects only (inductive sensing principle)
Ultra-compact M8 cylindrical housing
2 mm sensing distance (flush / shielded)
NPN, DC 3-wire Normally Open (NO) output
Suitable for PLC digital inputs
Red LED operation indicator
Reverse polarity & short-circuit protection
IP67 protection for industrial environments
Technical Specifications
| Parameter | Value |
|---|---|
| Model | PRT08-2DO |
| Sensor Type | Inductive Proximity Sensor |
| Housing Size | M8 |
| Installation | Flush (Shielded) |
| Sensing Distance | 2 mm |
| Setting Distance | 0 – 1.4 mm |
| Standard Target | Iron 8 × 8 × 1 mm |
| Output Type | NPN, Normally Open (NO) |
| 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. 1 kHz |
| 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 |
Applications
PLC-based automation systems
Compact control panels
Small jigs & fixtures
Pick-and-place machines
OEM electronic machinery
High-speed metal presence detection
What’s in the Box
1 × Autonics PRT08-2DO Sensor
2 × Mounting nuts
Instruction leaflet
FAQ
Q1. What material can PRT08-2DO detect?
Only metal objects.
Q2. Is this sensor suitable for PLC inputs?
Yes. It has NPN DC 3-wire output, commonly used with PLC digital inputs.
Q3. What is the sensing distance?
2 mm with a standard iron target.
Q4. What is the difference between PRT08-1.5DO and PRT08-2DO?
PRT08-2DO offers a slightly higher sensing distance (2 mm) for better tolerance.
Q5. Can it be used in oily or dusty environments?
Yes. IP67 protection ensures reliable operation.