Non-contact measurement & inspection

recorded on the move. Graphical PC software can be fully interrogated in-situ or data can be recorded, stored and exported at a later time for detailed investigation with post processing software. System upgrades for additional lasers, cameras, GPS, or gyros are fully available. Riftek’s RF603HS series laser triangulation sensors are ideal for capturing fast events such as road surface profile geometry. This high speed sensor is well proven across many high-throughput industrial process measurement tasks. With an IP67 rated aluminium housing and toughened glass lens it boasts exceptionally high shock and vibration specifications that allow use in the

most arduous conditions. With a large selection of base distance and measurement range options up to 1.2m and a measurement frequency up to 120Khz, the RF603HS provides stable operation and linearity from +/- 0.1 to +/- 0.3 of the range with very low temperature drift values over its operational range of -10°C to +60°C. Through the RF603HS product series users can choose red or blue semiconductor laser sources that suit the widest range of target object displacement measurement. Data transfer is via Ethernet using the User Data Protocol (UDP) and RS232 or RS485 serial interfaces are used for parameter setting. A 0- 10 V analogue output is also available.


ith the laser-based optical "VocalZoom" sensor, AMS Technologies presents a

technology that can measure and analyse vibrations – e.g. from machine parts – at a distance of up to 3m without contact and in a wide frequency range. The sensor's output data allows continuous monitoring of the condition of machines in scenarios such as Industry 4.0, IIoT and predictive maintenance. Predictive maintenance is an essential part

of current scenarios such as Industrial IoT or Industry 4.0. In order to reliably detect failures in advance, operators must be able to continuously monitor vibrations of drives, machines or systems and detect changes. Until now, conventional techniques such as MEMS or piezo sensors and microphones have been used to pick up these vibrations. However, operators usually have to shut down the systems in order to install and wire them, and

Instrumentation Monthly June 2020

the sensors are rarely sensitive enough and susceptible to ambient noise or vibrations. A laser-based optical sensor now presented

by the Israeli company VocalZoom together with the solution provider AMS Technologies allows precise, non-contact measurement of vibrations from a distance of up to three meters without the need for complex and expensive cabling. For the application of the VocalZoom sensor, which measures only 15mm x 6mm, downtimes for sensor mounting are as unnecessary as certified machine technicians. Since the sensor works without contact, it can measure any surface and any material - even very small, inaccessible or moving targets as well as hot or wet surfaces. Thus, the VocalZoom sensor is a fast and simple solution to implement predictive maintenance for the huge existing machinery and plant park in all conceivable branches of industry. For the efficient monitoring

The RF603HS is a part of Riftek’s multi- purpose laser triangulation sensor range which, along with its 2D laser scanners, speed and length sensors, railway and other measurement instrumentation systems, is fully supported in the UK and Ireland by Ixthus Instrumentation. The Towcester based instrumentation specialist also has distribution partnerships with other globally recognised measurement component manufacturers for the supply of sensors, transducers and complete systems for the measurement of displacement, force, torque and vibration.

Ixthus Instrumentation

of large areas, the sensor can also be mounted on a robot or drone and sequentially aimed at many targets. The VocalZoom sensor can detect vibration

frequencies of up to 6 kHz as well as very slow vibration processes in an ultra-low frequency range. In addition, the measurement method is insensitive to ambient and background light or noise.


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