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sensors & sensing systems


products such as medical patches applied to the skin that can operate on battery power for days or weeks while transmitting measurements wirelessly to a host device such as a smartphone. Via this host, the measurements can be uploaded securely to a cloud diagnostics service that can turn a stream of raw electrical signals into medically actionable data.


Technology experTise MeeTs ApplicATion Know-how It’s one thing to be able to describe the functional requirements of the semiconductor and computing systems that enable patients to wear a smart watch or a patch for monitoring their vital signs. It’s another to implement solutions using these technologies into an actual product. At Analog Devices, we recognise that our


service to healthcare technology innovators might start with semiconductor technology, but it cannot end there. That’s why we support customers with a combination of technical experts and domain specialists in the medical market. It is the job of the medical domain experts


patient activity, such as exercise sessions and sleep quality, to put vital signs in context. In hospitals, much of the equipment used for


monitoring vital signs is bulky and power hungry. By implementing this measurement capability at chip scale, semiconductor manufacturers such as Analog Devices make it possible to create


to understand intimately the application requirements and key attributes, such as regulation and data privacy, that characterise the market. Customers developing complex medical products can innovate faster, with more freedom and greater confidence of a successful outcome, when they are supported by experts who understand not only their


reliably measuring fill levels in dusty storage silos


In logistics and production processes, it is often important to reliably and automatically measure the precise quantity or volume of bulk goods such as plastic granules, grain, flour, animal feeds, gravel and rock at storage locations. For such applications, Micro-Epsilon’s robust optoNCDT ILR non-contact


laser distance sensors measure distances from 0.05m up to 270m. These are designed for use with or without a reflector film, which is used depending on the distance and the environment, and provide reliable results even under harsh conditions. Sensor variants are available with integrated heating and increased protection classes, particularly for outdoor use. The optoNCDT ILR2250-100 laser distance sensor measures distances


up to 150m with an accuracy of < ±1mm, even on difficult surfaces. Without any special adaptations to the target, the sensor has a range up to 100m. Adding a reflector to the target extends the range to 150m. Protected by an IP65 die cast aluminium housing, the optoNCDT ILR2250-100 is suitable for a wide range of applications, from transport, logistics and conveyor systems, to automation, metal processing, production monitoring and unmanned drones or vehicles. Brückner Maschinenbau, a supplier of production equipment for


manufacturing high quality monoaxially and biaxially stretched films, has been using Micro-Epsilon laser distance sensors to monitor the fill level in storage silos containing plastic granulate, which is used for the production of the films. Specially adapted optoNCDT ILR2250-100 laser distance sensors measure the fill levels. Due to the sensors, production stoppages due to missing material have been avoided and costs have been significantly reduced.


Micro-Epsilon T: 0151 355 6070


APPROVED SENSORS AVAILABLE


ATEX


Accurate distance measurement for every application


feature


technology but also their application. In the field of vital signs monitoring, this


application expertise is backed by development platforms. The vital signs monitoring (VSM) study watch, for instance, is a multi-parameter open development platform. Featuring a suite of sensors in a convenient wearable form factor, it provides a continuous set of vital signs measurements for use in the development of biomedical algorithms. The VSM study watch implements PPG and


ECG to measure heart rate and heart rate variability. Its MEMS accelerometer performs step counting and is used to improve and inform algorithms sensitive to motion artifacts. Sensors on the watch measure temperature and impedance, values used in algorithms to monitor stress and body composition. These capabilities support research carried out by medical and academic institutions to evaluate new use cases for remote patient monitoring. The rewards of moving patient monitoring out


of the hospital are clear. Drawing on precise, low power, miniature components such as sensors, analogue-to-digital converters, and digital signal processors, the robust VSM watch from Analog Devices and other such development platforms lay the groundwork on which innovative medical device manufacturers can build the monitoring devices of tomorrow.


Analog Devices www.analog.com/en


DIMETIX D-SERIES


n 100m range on natural surface (no reflectors needed)


n 1mm absolute accuracy, independent of colour, texture and distance


n Fast measurements up to 250Hz with 1kHz output


n Outdoor and indoor use n Shock and vibration certified


www.dimetix-uk.com TEL: + 44 (0)1727 85 93 73 EMAIL: sales@sensorsuk.com sePtember 2023 DESIGN SOLUTIONS 23 Dimetix D-Series Lasers Ad 105x148.indd 4 13/04/2021 14:59


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