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SENSORS & SENSING SYSTEMS TRaNSPORT INDUSTRY


Tested to EN rail industry standards for EMC, vibration, shock and corrosion resistance, Variohm EuroSensor’s new EPT3100R pressure sensor is available with IP66 or optionally IP69K protection. There are 20 gauge-pressure


range options from 0.6 bar to 2000 bar, with a ±0.5% full scale accuracy @ RT including


nonlinearity, hysteresis,


repeatability, calibration, and offset factors. With a 4...20 mA output from a 14.4 to 33.6V supply, a wide choice of pressure ports and a 22mm diameter 304 stainless steel housing, the sensor provides durability, high strength, and excellent corrosion resistance at temperatures up to 105°C. The EPT3100R sensor meets rail industry


standards and references. EMC tests according to EN 50121-3-2:2006 include conducted and radiated disturbances, surge immunity, radiated electromagnetic and electrostatic immunity. Variohm EuroSensor also markets its own rail


industry compatible temperature sensor based on the well-proven PT100 measurement element. The 22mm diameter ETP21R includes 17-4 PH stainless steel wetted components and has been tested to the relevant rail industry performance and environmental standards. This has a measurement range of -40 to +125°C and a maximum static operating pressure up to 160 bar, a 4 ... 20 mA output and a total error of ±2.0% FSO over a temperature range of -20°C to +85°C.


variohm eurosensor www.variohm.com


PRESSURE SENSOR fOR ThE RaIl


biosensor determines the infectivity of sArs-cov-2


To prevent the medical system from being overwhelmed due to viral infectious diseases, it is essential to prevent the spread of viruses by early diagnosis and isolation. While PCR tests and antigen tests are currently used for the diagnosis of SARS-CoV-2, these tests cannot evaluate ‘virus infectivity’, which indicates the power of the detected virus to infect. There has therefore been growing demand for a high- sensitivity and simple detection method to evaluate viral infectiousness. Now, Tokai University, Toyohashi University of Technology, Chubu University, and DENSO


Corporation, have developed a biosensor capable of detecting SARS-CoV-2. The group will accelerate the development toward practical application to contribute to early diagnosis of infectious diseases, which is a key factor in limiting the virus’ spread. Unlike PCR and antigen tests, the biosensor detects the spike protein on the virus surface, which


triggers infection, by using a semiconductor sensor and aptamer. The semiconductor sensor can quantitatively measure the viral load by using electrical signals, so is expected to be used to determine the status of infection and confirm the efficacy of treatment with high accuracy. It is also easy to design and can be mass-produced quickly, and so the aptamers can be used to detect unknown viruses. The goal is to determine the infectivity of SARS-CoV-2 and offer novel tests which have virus


detection sensitivity equivalent to that of PCR tests and which are as simple as antigen tests. denso corporation


www.denso.com/uk/en/ high accuracy at cryogenic temperatures


New from Paragraf is a sensor range said to be capable of unmatched sensitivity and linearity when placed in low temperature environments and in strong magnetic fields. Tested at the High Field Magnetic Laboratory


(HFML) at Radboud University Nijmegen, the GHS-C sensors support operation in magnetic fields up to 30 T and at cryogenic temperatures (down to 1.5 K). Delivering accuracy that has not previously been achievable under these conditions, these sustain non-linearity errors of significantly less than 1% across the full measurement range. A further advantage of the GHS-C range is


sicK’s next-GenerAtion ruler3000 offers A fAst trAcK to breAKthrouGh 3d vision Power


SICK has unveiled the first in a new generation of Ruler3000 3D streaming cameras, designed to offer a fast track for integrators to harness the speed and measurement precision of its high-definition 3D imaging technology. The SICK Ruler3000 sets a new standard for high-speed 3D image quality in an easy-to-integrate, pre-calibrated, device. The Ruler3000 combines SICK’s Ranger3 streaming camera with a Class 2 eye-safe laser, pre-selected optics


and fixed geometries for simpler configuration and commissioning. It dramatically cuts time and complexity when integrating more demanding inspection, measurement and robot guidance tasks battery and electronics production. Powered by SICK’s highly sensitive CMOS sensor and innovative ROCC (Rapid On-Chip


Calculation) technology, the Ruler3000’s integrated streaming camera processes up to 15.4Gp/s to enable up to 7000 full-frame 3D profiles per second. The Ruler3000 extracts the true 3D shape of an object, regardless of its contrast or colour, as well as simultaneously capturing greyscale and scattered light measurements, so image processing and measurement precision can be optimised. The Ruler3000’s high light sensitivity enables accurate inspection of even very dark or


highly-reflective materials, while its High Dynamic Range (HDR) function allows components with widely-differing light remissions, such batteries and electronic component assemblies, to be captured successfully in a single scan. In addition, its outstanding performance on light, dark, reflective and contrasting surfaces, together with its guaranteed field of view, make it ideal for high-end inspection and precise localisation duties, when mounted above a conveyor or on a robot arm. Furthermore, integration is made even simpler by the user-friendly Stream Setup interface.


sicK 1 desiGn solutions NOVEMBER 2021 4 www.sick.co.uk vishay www.vishay.com


their very low power operation, resulting in power dissipation in the <nW range, compared to µW or mWs associated with non-graphene Hall sensors. Suitable applications include low temperature


quantum computing, high-field magnet monitoring in next generation MRI systems, fusion energy field control, particle accelerators, and other scientific and medical instrumentation. The sensors can also be directly used in fundamental physics experiments – for example, quantum physics research, superconductivity and spintronics.


Paragraf www.paragraf.com aMBIENT lIGhT SENSOR


The Optoelectronics group of Vishay Intertechnology has introduced an AEC-Q100 qualified ambient light sensor for automotive and consumer applications where very high sensitivity is needed for sensing light through dark cover materials. The Vishay Semiconductors VEML6031X00 features a highly sensitive photodiode, low noise amplifier, 16-bit ADC, and infrared (IR) channel in a miniature, opaque 2.67mm by 2.45mm surface-mount package with a low 0.6mm profile. The Automotive Grade device enables ambient


light spectral sensitivity close to that of the human eye. The sensor offers detection with highly linear behaviour from 0 lx to 228 klux, while its resolution down to 0.0034 lx/ct allows for operation in applications with low transmittance (dark) lens designs. Its IR channel enables light source detection and sensitivity adjustments to compensate for lux errors. Offering a high operating temperature range to


+110°C and improved signal to noise ratio, the device can be used for display backlight controls, infotainment systems, rearview mirror dimming, interior lighting control systems, and heads-up displays. The sensor supports the easy to use I²C bus communication interface.


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