Procurement managers rarely finalize PR18-8AC without reviewing Autonics Photoelectric Sensor, Contrinex Proximity Sensor and Autonics Tcn4 Series, ensuring that the chosen component meets budget, compliance, and delivery conditions.
Autonics PR18-8AC Proximity Sensor
The Autonics PR18-8AC Proximity Sensor provides an 8mm sensing distance with Normally Closed output and a sturdy M18 sensing side diameter for accurate metal object detection. Manufactured by Autonics, this proximity sensor from the PR Series ensures dependable operation with hysteresis max. 10 of sensing distance and a standard sensing target 25Γ25Γ1mm (iron). It operates on an AC 2-wire type 100β240VAC~ power supply, supports up to 20Hz response frequency, and includes IP67 protection for reliable industrial performance.
| Brand | Autonics |
| Product Type | Proximity Sensor |
| Model Number | PR18-8AC |
Autonics PR18-8AC Proximity Sensor β Technical Specifications
| Specification | Value |
|---|---|
| Sensing side diameter | M18 |
| Sensing distance | 8mm |
| Hysteresis(distance) | Max. 10% of sensing distance |
| Standard sensing target | 25Γ25Γ1mm(iron) |
| Current specification | Leakage current: Max. 2.5mA |
| Control output | Normally Closed |
| Wire type and power | AC 2-wire type100-240VAC~ |
| Installation | Non-flush |
| Cable Standard/material | Standard cable |
| Body length | Standard type |
| Insulation type | Double insulation or reinforced insulation(mark: @(INS), dielectric strength between the measuring input part and the power part: 1kV) |
| Residual voltage | Max. 10V |
| Environment_Ambient temperature | -25 to 70β, storage: -30 to 80β |
| Environment_Ambient humidity | 35 to 95% RH, storage: 35 to 95% RH |
| Protection structure | IP67(IEC standard) |
| Material | Brass(nickel plated) |
| Response frequency | 20Hz |
| Weight | Approx. 130g(approx. 118g) |
The Autonics PR18-8AC is designed for consistent performance with an 8mm sensing distance and an M18 cylindrical body suitable for non-flush installations. Operating on an AC 2-wire system with 100β240VAC input, it integrates easily into older and modern control circuits. Featuring a Normally Closed output and double insulation with 1kV dielectric strength, this sensor ensures safe and reliable operation. With a leakage current capped at 2.5mA and residual voltage under 10V, it provides stable signals without interference. Its nickel-plated brass body and IP67-rated protection resist water, oil, and dust, making it dependable in demanding environments. Weighing approximately 130g, it is compact yet robust, offering long-term durability and minimal maintenance requirements.
Applications of the PR18-8AC extend across conveyor lines, packaging machinery, and automotive assembly systems where reliable detection of iron targets is essential. Maintenance engineers value its compatibility with AC power systems, which eliminates the need for external converters, while students in automation training use it to learn about industrial-grade non-flush inductive sensing. The 20Hz response frequency makes it ideal for moderate-speed processes, ensuring detection accuracy without delays. Built for performance and longevity, the Autonics PR18-8AC is trusted in both OEM setups and retrofit projects.
As part of the established Autonics Proximity Sensors portfolio, this Cylindrical Inductive Proximity Sensor delivers energy efficiency, mechanical strength, and reliable signal integrity across diverse industrial applications. Engineers and buyers consistently recognize the PR18-8AC for its balance of safety, precision, and easy integration, making it a preferred choice among wholesalers, dealers, and distributors. For complete technical details, visit the official Autonics Sensors & Controllers catalog.
