Safety of buildings near to process facilities

  Ensuring the safe location and design of occupied buildings (permanent or temporary) is high on the agenda of key stakeholders – industry, regulators, and the workforce and members of the public who have a vested interest in the area. The significant amount of analytical work required to support such an analysis represents a key […]

Is the virtual PBX the death of traditional premises-based PBXs?

  The question of virtual PBX replacing trditional premises-based PBXs has been around boardroom tables for some time. “Do we invest in a hosted solution or do we keep our communication in-house? Do we go the IP route or do we stay with a physical connection from Telkom?” The days of simply contacting a traditional […]

Infrared LED technology for touchscreens

  The advent of high-efficiency infrared LEDs has made intuitive and robust touchscreens for various devices and controllers attractive to both industry and the end-user. Download the Pdf

Is the commercial use of HPC lagging in SA?

  South Africa is not lagging behind when it comes to the world of high performance computing. The Cape Town-based Centre of High Performance Computing (CHPC) has an impressive track record, although mostly in the sphere of academia. When it comes to commercial applications there appears to be a lack of interest. Is that because […]

Lightning protection

  Lightning is a serious issue which is often under-estimated until faced with its disastrous consequences. Protection against this severe energy source requires professional equipment, professionally installed. Simply buying a few protector plugs or multi-plug extensions from the hardware store could well finish off whatever electrical and computer equipment is indoors, connected to the mains […]

Choosing the right analysis tools for measurement systems

  Raw data is not always the best way to communicate useful information. Data transformations like removing signal noise, compensation for environmental effects like temperature and humidity, and calibration for equipment error are needed to help turn raw data into useful data. Producing useful data is a primary outcome of engineering applications, so comprehensive signal […]

Two industrial worlds have merged

Traditionally, the worlds of PLC, motion control and control technology on one hand, with measurement technology and “lab applications” on the other, have diverged when it comes to data entry and processing in an industrial environment. Yet divergence always means having to use additional interfaces, which leads to restrictions on efficiency and operating convenience. But […]

Comparison of Class 1 surge protective devices

Lightning current arrestors for low-voltage power systems are usually designed and tested only for use in AC power systems. The performance and operational behaviour of a surge protective device, connected to an AC power system, can be completely different to the performance and operational behaviour of the same surge protective device connected to a DC […]

Explosive environments: fundamentals of area classification

by Dr. Johannes Auret,  Explolabs A guide for plant management and technical staff on how to conduct an area classification, the process whereby the degree of exposure to explosive atmospheres for a plant area is determined. Download the PDF document

Antenna matching for RFID reader

This article describes the design method for determining an antenna matching circuit. While there are an infinite number of possible impedance matching networks, this application example focuses on a 50 Ω three element match. A three-element match is recommended as it allows the designer to select the required antenna quality factor, Q, for the application. […]

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