Products & Services Inductive Sensors

EVK ABAS Inductive Sensors

EVK ABAS metal sensors provide spatially resolved information about metals in a bulk material flow. The inductive sensor is mounted under a conveyor belt and works in real time, fully automated and has been specially developed for industrial applications. Particularly in sensor-based sorting and inspection, the sensor serves to detect the electrical conductivity properties of materials.

Products

EVK ABAS

EVK metal sensors support the industry-standard GigE Vision and GenICam interfaces for quick and easy integration and the available sizes support the typical working dimensions of conveyor belts.

Reliable detection of metals in the product stream

EVK ABAS are intelligent metal scanners that detect metals and metal alloys, enabling sensor-based, non-contact sorting. The inductive sensors detect metal parts directly in the process line in real time. This is particularly important in applications where large quantities of materials are processed, such as in the waste or recycling industry or metallic foreign bodies in the food industry. The sensors’ high scanning speed makes metal recovery highly efficient and productive.

Value Statements

Spatial Resolution

A unique feature of EVK metal sensors is their spatial resolution. The line scanner provides detailed information about the object's position in the line and delivers precise data to the ejection unit.

In-Line, Real-Time Metal Detection

EVK's inductive sensors can detect metal objects directly in the line. Mounted under a conveyor belt, they detect ferrous and non-ferrous metal particles.

Rugged, Industrial Design

The EVK ABAS metal sensors are designed for use in harsh environments. Dust and dirt do not damage the sensor. In addition, the sensors require little maintenance as they have no moving parts.

Quick and Easy Integration

The inductive sensors support standard interfaces. They can be quickly integrated into existing systems and are mounted directly under a conveyor belt.

Short Time-to-Market with Integrated EVK Solutions

EVK provides personalized all-in-one solutions from a single source. Get hardware, software, and integration services from EVK for a fast and flawless market launch. In combination with the corresponding I/O module from EVK, for example, valves can be controlled with precision.

To the
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From metal detection to material output -
Seamless integration of EVK metal sensors

Combined with the I/O module for controlling actuators such as flaps, air nozzles, etc., EVK offers a all-in-one solution, from metal detection to controlling actuators to eliminate materials from the stream. The I/O module communicates either directly with the metal sensor via an interface developed by EVK or a standard Modbus with a host. EVK’s proprietary interface makes it possible to rapidly and efficiently develop metal removal systems and the Modbus interface ensures easy connection to existing hardware.

EVK Sensor Fusion to increase the sorting depth

EVK combines data from different sensors e.g. metal sensors with hyperspectral or color cameras. The key data extracted from the results serve as a basis for further process-relevant decisions. Materials can be classified based on their color, shape, size, chemical composition, and conductivity, and, if desired, sorted or ejected in real-time.

More information
about EVK Sensor Fusion

What are inductive sensors and how do they work?

Inductive imaging refers to an imaging line scanner that provides an image of objects based on their conductivity. When a conductive material approaches the inductive line sensor, eddy currents are generated in the material by the magnetic field generated by the sensor. These eddy currents counteract the exciting magnetic field and thus produce a measurable reaction to the excitation field. The strength of this reaction provides information about the distance and size of the conductive (metallic) material.

EVK ABAS utilizes this effect and generates binary information that is processed in real time and forwarded directly to control units. In addition, EVK’s inductive sensors can react not only to metals, but also to ferromagnetic materials such as ferite. In combination with an I/O module developed by EVK, users receive a complete solution for the detection and sorting of ferrous and non-ferrous metal particles.

The I/O modules are expansion systems that use metal sensor data to control actuators. As soon as a metallic object is detected, for example, a flap or compressed air valve opens and separates the material from the line. In this way, metals can be sorted efficiently and directly from the process line.

Important parameters of these sensor types are sensitivity and selectivity. The sensitivity of a metal scanner describes the size that a metal particle must have in order to generate an output signal. It should be noted that the distance between the metallic object and the sensor influences the sensitivity of the sensors. The selectivity of a metal sensor is its ability to distinguish between different metals.

More information in
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Use Cases

EVK’s inductive sensors have been used successfully in numerous applications for many years.
Machine and plant manufacturers, as well as plant operators from various sectors, such as the waste and recycling industry, the food industry and mining, rely on the quality and competent services of EVK.
Our Professional Service will be happy to support you with your project, from the conception, integration and industrialization phase.