Autonics Proximity Sensors – Inductive & Capacitive
Autonics proximity sensors are noncontact detection devices used to sense object presence in Indian industrial automation systems nationwide applications.
The Autonics Proximity Sensors, manufactured by Autonics, detect metallic or nonmetallic targets without physical contact using inductive, capacitive, or magnetic sensing principles under defined electrical conditions. They operate with specified sensing distances, response times, supply voltage ranges, output configurations, and repeatability characteristics to provide consistent presence signals for industrial automation equipment monitoring and process sequencing tasks within continuous production environments requiring predictable detection performance and stable signal interpretation over time under varied industrial operating conditions. Common category attributes include standardized cylindrical or rectangular housings, defined mounting threads, environmental protection ratings, operating temperature limits, electrical noise immunity, and repeatable switching behavior across industrial installation conditions. This entity is a proximity sensing device based on electromagnetic or electrostatic detection technology, solid state construction, inductive or capacitive classification, and discrete electrical switching interface types.
Autonics Proximity Sensors: PR Series
- Sensing Performance: Sensing distances (1.5 mm to 15 mm).
- Installation: Flush and non-flush installation options.
- Size Range: Diameters from Ø 8 mm to Ø 30 mm.
- Response Speed: Frequencies up to 1.5 kHz.
- Connection: M12 Connector
- Indication: Integrated operation indicator. (red).
Autonics Inductive Proximity Sensor: PRD Series
- Sensing Performance: Sensing distances range from 2 mm to 25 mm.
- Installation Options: Available in both flush and non-flush types.
- Size Variability: Sensing side diameters from Ø 8 mm to Ø 30 mm.
- Response Frequency: Ranges from 100 Hz to 1 kHz.
- Connection: Equipped with M12 Plug connectors.
- Power Supply: 12 – 24 VDC operating voltage
Autonics Proximity: PRFD Series
- Sensing Performance: Sensing distances from 2 mm to 12 mm.
- Size Options: Diameters ranging from Ø 8 mm to Ø 30 mm.
- Response Speed: Frequency response from 50 Hz to 150 Hz.
- Connection Type: M12 connectors.
- Indicators: Stability (green) and operation (red) indicators.
- Power Supply: 12 – 24 VDC, ripple P-P ≤ 10%.
Autonics Capacitive Proximity Sensor: CR Series
- Sensing Range: 8 mm to 15 mm sensing distances.
- Design: Sensing side diameters of Ø 18 mm and Ø 30 mm.
- Response Frequency: 50 Hz for DC 3-Wire, 20 Hz for AC 2-Wire
- Protection: Surge protection, with IP66/IP65 protection structure.
- Power Supply: 12 – 24 VDC for DC, 100 – 240 VAC for AC models.
- Connection: Cable types with Ø 4 mm and Ø 5 mm options, 2 m length.
Proximity Switch Autonics– PET18-5 Series
- Performance: 5 mm transmitting distance, ≤ 1 ms response time.
- Setting Range: 1 to 4.5 mm.
- Indicator: Operation indicator (red).
- Durability: Operates in -25 to 70 ℃, IP67 rated.
- Connection: Ø 5 mm, 2-wire, 2 m cable.
- Material: Nickel-plated brass, PBT, PVC cable.
Autonics Proximity Switch – PS Series
- Sensing Range: Sensing distances from 2.5 mm to 30 mm.
- Design: Sensing side lengths from 8 mm to 50 mm.
- Response Speed: Response frequencies from 50 Hz to 1 kHz.
- Output: Control output up to 200 mA, residual voltage ≤ 1.5 V.
- Power Supply: 12 – 24 VDC, operating voltage range 10 – 30 VDC.
- Connection: Cable types ranging from Ø 2.5 mm to Ø 5 mm, up to 2 m length.
Autonics proximity sensors are non-contact detection devices used in Indian industrial automation for presence position and distance detection applications. The product category includes inductive and capacitive sensing technologies, where an inductive proximity sensor range is defined exclusively for metallic targets and a capacitive sensor range applies to non-metal materials, liquids, and granular substances, with proximity sensor range in mm specified as 8 mm proximity sensor, proximity sensor 18mm PNP NO, and other cylindrical proximity sensor sizes supporting proximity sensor distance measurement and proximity sensor sensing distance requirements. Electrical output behavior is standardized through proximity sensor PNP configurations, including proximity sensor PNP 24VDC and sensor PNP 24VDC interfaces, enabling consistent switching logic for proximity sensors, proximity sensor Autonics models, and autonics proximity switch use cases where stable proximity sensor distance range and inductive proximity sensor sensing range are required. Within the :contentReference[oaicite:0]{index=0} sensor ecosystem, an autonics proximity sensor is defined as a solid-state, non-contact proximity sensor Autonics category device, constructed in cylindrical proximity sensor structures, classified by inductive or capacitive technology, specified by proximity sensor range, proximity sensor size, and range of proximity sensor parameters, and interfaced through discrete PNP transistor outputs operating on 24VDC control circuits.
Product List:
| Model No | Image | Sensor Head | Sensing distance | Response frequency | Control output | Protection structure |
|---|---|---|---|---|---|---|
| PRD30-15DP |
|
M30 | 15mm | 100Hz | PNP Normally Open | IP67 |
| CR18-8DN | ![]() |
M18 | 8mm | 50Hz | NPN Normally Open | IP66 |
| PRD18-14DP |
|
M18 | 14mm | 200Hz | PNP Normally Open | IP67 |
| PR08-2DP |
|
M08 | 2mm | 1kHz | PNP Normally Open | IP67 |
| PSN17-8DN | ![]() |
17mm | 8mm | 200kHz | NPN Normally Open | IP67 |
Some Frequently Asked Questions
What is the distance range of Autonics proximity sensor?
The distance range of Autonics proximity sensors varies with the model and detection method. For example, the inductive proximity sensors can detect objects at distances ranging from a few millimeters up to approximately 40 mm. On the other hand, capacitive proximity sensors have a range from a few millimeters to several centimeters.
How to test if PR30-15AO(AC 2-wire, proximity sensor) is working properly or not?
To test if a PR30-15AO AC 2-wire proximity sensor is working properly, you can follow these steps:
- Power on the sensor and ensure that the LED indicator is illuminated, indicating that the sensor is receiving power.
- Bring a metallic object (such as a screwdriver or a metal plate) near the sensor’s active surface.
- The LED indicator should change state or turn off, indicating that the sensor has detected the metallic object.
- Move the metallic object away from the sensor, and the LED indicator should return to its original state.
- Repeat this test multiple times to ensure consistent results.
If the sensor is not functioning properly, it could be due to a faulty sensor, improper installation, or external interference. In such cases, it’s recommended to consult the manufacturer’s user manual or contact their technical support for further assistance.
Can the proximity sensor PR series detect aluminum, steel and acrylic resins?
Yes, Aluminium, steel, and acrylic resins are conductive materials that the PR series of proximity sensors can identify. But it’s crucial to take into account some factors, such as the target object’s size, shape, and composition.
Why PNP type is more widely used than NPN type in the proximity sensor?
What is the diameter of the inductive proximity sensor?
Small sensors with a diameter of 3 mm and larger ones with a diameter of 80 mm or more are both available in a variety of sizes.
For inquiries or more information about our range of Autonics Proximity Sensors, please call us at +91 79955 44066.




