PRODUCTS SENSORS & SENSING SYSTEMS RUGGED TOUCHSCREEN PRESSURE SENSOR LAUNCHED
The PBST multifunctional IO-Link sensor is SICK’s first ceramic cell pressure measurement sensor, delivering suppression of pressure spikes and surges, as well as corrosion resistance. Suiting pressure and
vacuum measurement, control and monitoring applications for liquids and gases, this combines an electronic pressure switch, pressure transmitter and a colour touchscreen display with a clear text menu for visual indication of values. The sensor provides switch, IO-Link and analogue output in one compact electronic device for flexibility and inventory control purposes. The touchscreen display allows for easy configuration of
the device within seconds via familiar technology, providing excellent visibility on-site. It automatically shows measured values in bar, requiring no special conversion of IO-Link process data. The sensor can also be configured remotely via IO-Link and can be locked to prevent unauthorised access. With very high accuracy of ±0.5% of range and capable of measuring -1 (full vacuum) to +600 bar (relative pressure), the PBST is ideal for pressure measurement and control, including hydrostatic level measurement. It provides extensive diagnostic options via IO-Link, including internal sensor temperature, pressure peaks and predictive maintenance data. The ceramic thin-film pressure measurement cell
complements SICK’s existing range of thin-film pressure sensors, transforming the pressure into an electrical signal. It provides high accuracy, long-term stability, high corrosion resistance, resistance to dynamic pressure surges and spikes, and a temperature range from -25 to +100˚C. The PBST is suitable for applications from hydraulics and
cooling lubricant circuit systems to packaging machinery, processing, electronics, solar machinery, pneumatics, factory automation, CPG manufacturing and tooling coolant systems.
SICK CONTACTLESS 360° POSITION MEASUREMENT
With the HAL 302x from TDK Micronas, Rutronik offers a family of fast 2D angular position sensors that meet the demand for stray-field robust motor position sensing and ISO 26262- compliant development. The sensors have differential or single-ended sine and cosine analog outputs for standardised angle calculations by an external microcontroller or an ECU. Both types, HAL 3020 and HAL 3021, use Hall effect technology to measure vertical magnetic field components (BZ) over a 360˚ angle of rotation. The Hal3020 features an arrangement of three horizontal plates and is designed for lower power consumption applications. The HAL3021 features six horizontal plates, offering enhanced robustness against static and dynamic mechanical tolerances, a higher signal-to-noise ratio, and supports narrower air gaps and smaller target magnets. Thanks to their fast response time and high output bandwidth, they are suitable for motor applications with up to 60,000rpm.
Rutronik
www.rutronik24.com
46 DESIGN SOLUTIONS MAY 2025
sick.com
SENSOR ENABLES A WIDER RANGE OF INTELLIGENT AND SUSTAINABLE PRODUCTS
The MLX90642 from Melexis is a thermographic sensor featuring a 32x24 pixel InfraRed (IR) array which offers improved signal-to-noise ratio, global shutter readout, and onboard temperature calculation at a competitive price point. Enclosed within a compact four-lead TO39 package, the robust MLX90642 offers
seamless integration, which is enhanced by its factory calibration, allowing for direct temperature reporting without a dedicated MCU. This functionality helps to drive smaller, more efficient, and lower-cost designs. It features accurate low-noise operation with a Noise Equivalent Temperature Difference (NETD) of 65mK at a 2Hz refresh rate. The refresh rate can be configured up to 16Hz as required. It offers a working temperature of -40˚C to 85˚C. The MLX90642’s functionality plays a pivotal role in enhancing the quality and precision of thermal images. For consumer applications such as cooking or HVAC control, the sensor can help to enable closer monitoring, increased efficiency, better user satisfaction, and safety, and pave the way for smart applications that mandate greater feedback to automate usually manual tasks. The sensor is available in two field of view (FOV) options: 45˚ x 35˚ and 110˚ x 75˚,
both featuring 768 highly accurate IR pixels. The MLX90642 demonstrates a current consumption of 28mA, a 3.3V supply voltage, and an I2
C compatible digital interface
to further ease integration considerations. The combination of performance and cost, as well as its accuracy and intelligent
integration, will serve as a platform for the creation of new smart designs that can enhance the sustainability and functionality of operations, the company explains. Examples encompass AI-enhanced machine vision, such as smart building occupancy monitoring or gesture recognition services. “With the new MLX90642, Melexis is setting a new standard for thermal sensing,” said Joris Roels, marketing manager at Melexis. “This sensor redefines the balance of performance and cost, enabling a wider range of intelligent and sustainable products.”
Melexis
www.melexis.com
SENSORS WITH STAINLESS STEEL HOUSINGS
Hygiene-sensitive production and packaging processes place high requirements on sensor technology. To meet requirements, Leuze has introduced sensors in stainless steel housings: Series 33C in hygienic design, and Series 35C in robust washdown design. With its smooth housing, Series 33C is suitable for applications in the
food, beverage or pharmaceutical industry, even in areas with unpackaged products. The 35C series is designed for robustness and is ideal for high mechanical loads and intensive cleaning processes. This can be used in the food industry as well as the automotive industry or machine tools. The two series each include diffuse, through-beam and retro-reflective
photoelectric sensors. The 33C and 35C series range also includes special solutions for packaging processes. These include retro- reflective photoelectric sensors for glass and PET detection, sensors with background suppression for detecting small objects, dynamic reference sensors, and powerful through-beam photoelectric sensors for penetrating through plastic films. The new 33C and 35C series’ small housing size complements the 53C and 55C series’ stainless-steel miniature sensors. The sensors also have Power PinPoint LED. This means they can be aligned and set up easily thanks
to a bright, round and homogeneous light spot. The size, shape and homogeneity of the light spot remain constant throughout the working range. Laser or infrared devices can also be used as an alternative to the Power PinPoint LED. The devices are designed for reliable operation in wet areas and during intensive cleaning processes, and have Protection Classes such as IP67, IP68 and IP69K as well as ECOLAB, CleanProof+ and Diversey certifications. Both series have an IO-Link interface.
Leuze
www.leuze.com
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