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news digest ♦ Equipment and Materials


Mass flow meters and controllers with an EtherCAT interface


These digital metering and control devices are used in machinery used to produce compound semiconductor chips, LEDs and solar cells


Bronkhorst High-Tech is marketing the EtherCAT fieldbus interface on its thermal mass flow meters and controllers for gases and liquids, as well as its digital pressure controllers.


bus” concept the company offers flexibility by equipping their digital instruments with interface boards for DeviceNet, Profibus-DP, Modbus or FLOW-BUS. The wide range of digital metering and control devices is applied in many different markets, e.g. the food & beverage and chemical industries, gas and fluid analysis equipment, glass and tool coating processes, testing fuel cells for the automotive industry and in machinery used to produce electronic chips, LED lights and solar cells.


New instruments for LED characterisation


Instrument Systems is launching a new series of CCD array spectrometers and a current source. Both have been specially designed to assess LEDs


The CAS 120 series of measuring instruments has been specifically developed for price- sensitive applications in spectral light measurement, such as LED production or quality assurance. Although costs have been reduced, technical innovations deliver even higher levels of reliability.


Mass Flow Controller for gases with EtherCAT Interface


Bronkhorst says it is the first and only supplier of these devices to offer this option.


EtherCAT is a highly flexible Ethernet network protocol with unique advantages. It operates at high speed, with high efficiency and offers simple configuration. It is therefore not surprising that EtherCAT has been adopted rapidly within the worldwide market for control and automation.


Bronkhorst has many years of experience with fieldbus communication. With its “multi-


212 www.compoundsemiconductor.net January / February 2012 CAS 120 CCD array spectroradiometer


The CAS 120 is an optical spectrometer which analyses the spectral characteristics of light radiation. Having additional optical probes and absolute calibration turns this type of measurement system into a spectroradiometer.


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