LEM manufactures and markets a wide range of current and voltage transducers - devices which can, when coupled to an electrical circuit, measure, and then transmit to another location, current and voltage characteristics associated with a particular electrical operation.
These transducers measure current and voltage by utilising the Hall effect, enabling them to be connected to a circuit without the need to break into that circuit, ie a cable passing through a transducer provides the necessary electrical field to make an accurate measurement.
The company's new 'PCM' transducers from the PointSenz series (part of the LASER family) are intended for trackside applications. They can be coupled to the electrical circuit which operates the points on the railway network, and each time those points are switched, the relevant operating times, currents and voltages are measured by the transducer and recorded. This information is transmitted to a central location, along with similar information from any number of other such assemblies, for computer analysis. Any variation from the standard can indicate the likelihood of incipient problems - wear, rust, debris, vandalism - and allow for preventative maintenance to be undertaken.
High-speed AWG generates up to 20 sine waves Vepac Electronics
Test & Measurement
Spectrum Instrumentation has released a new firmware option for its range of versatile 16-bit Arbitrary Waveform Generators, with sampling rates up to 1,25 GS/s and bandwidths up to 400 MHz.
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Test & Measurement
Spectrum Instrumentation has added the Digital Pulse Generator option to its ultrafast digitisers (with up to 10 GS/s speed) and arbitrary waveform generators.
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Test & Measurement
STMicroelectronics and Mobile Physics have joined forces to create EnviroMeter for accurate air-quality monitoring on smartphones. Time-of-flight optical sensing enables an accurate personal air quality monitor and smoke detector.
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Test & Measurement
Maintaining these access points in the final production versions will prove invaluable during the life of the equipment for service, adjustment, and debug, or repair activities.
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Test & Measurement
The EXA81 from Brady turns any smartphone or tablet into a personal radar that can pick up radio signals from all RFID-labelled items.
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Test & Measurement
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Test & Measurement
STMicroelectronics’ CH family of time-of-flight sensor devices feature compact and normalised histogram (CNH) data output for artificial intelligence applications requiring raw data from a high-performance multizone ToF sensor.
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Test & Measurement
This one-hour session will allow the attendee to discover the company’s latest infrared sensor with high-sensitivity presence and motion detection capabilities.
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