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Demark International
8 Palmiet Avenue, Weltevreden Park, Roodepoort
Core business offering: Suppliers of a full range of industrial sensors, explosion-proof high-temperature sensors, low-temperature sensors, beams, long-range and ultrasonic sensors, temperature controllers, timers and counters, electric solenoids to solid state relays, single-phase and three-phase SSR relays and wire-saving link systems.
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Section - Process Control & Manufacturing Technologies
-Flowmeters (type)
- Positive displacement
-Monitors/indicators
-Regulators
-Switches
-Fibre-optic
-Float-operated
-Optical, laser
-Pressure/hydrostatic
-Thermistor / thermal
-Ultrasonic
-Controllers/logic devices
-Differential pressure transducers
-Pressure gauges/indicators
-Pressure switches
-Regulators
- Self-acting back pressure
- Self-acting pressure reducing
-Colour mark
-Edge detection
-Hot metal
-Inductive
-Infrared
-Laser
-Machine guard
-Magnetic
-Photoelectric
-Ultrasonic
-Acoustic
-Fibre-optic
-Flow
-Hole/tear
-Humidity
-Level
-Metal detectors
-Moisture
-Other
-Presence
-Thickness
-Counters
- Handheld tally
- Mechanical
- Panel mount
- Rail mount
-Timers
- Analog
- Digital
- Panel mount
- Rail mount
Section - Test, Measurement & Calibration
-Analysers
- Colorimetric
-Pressure simulators/calibrators
-Coating thickness
-Humidity
-Moisture content
-Thickness, wall, plating
Industry news: |
Measuring what matters in oilfields
May 2026, Mass Measurement, VEGA Controls SA
In the oil and gas industry, enhanced oil recovery addresses key industry challenges. However, the extraction process often results in a mixture of materials that is hard to characterise.
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Where industry meets the fairway
May 2026, SAIMC, SAIMC
The SAIMC Durban Golf Day once again proved why it’s one of the highlights on the local industry calendar, bringing together good people, good golf, and just the right amount of competitive spirit under spectacular Durban skies.
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Internationally engineered valves support uptime in tough conditions
May 2026, Valves, Actuators & Pump Control, Bearing Man Group t/a BMG
BMG’s Fluid Technology division works closely with industry in sub-Saharan Africa to ensure that all valves, strainers and flow control equipment supplied meet the exact requirements of every application and also conform with stringent industry standards.
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Importance of gas analysis in the petrochemical industry
May 2026, Analytical Instrumentation & Environmental Monitoring, Elemental Analytics
Gas analysis plays a critical role in petrochemical operations, supporting process optimisation, product quality and plant safety. As an experienced and expert gas analysis supplier, Elemental Analytics can provide the correct analyser and sample system package to meet individual plant requirements.
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Loop signature Part 2-4: Feedforward Control: Part 3
May 2026, Fieldbus & Industrial Networking, Editor's Choice, Michael Brown Control Engineering
In the previous articles in this series, the basic theory behind feedforward control was discussed, and it was also shown how to apply feedforward in practice. In this article, it will be shown how well feedforward can work in practice by giving a couple of examples. |
Custom mini substations for Zambian copper mine
May 2026, Electrical Power & Protection
Recent orders to supply seventeen specially engineered mini substations for an underground copper mine in Zambia reinforces Trafo Power Solution’s track record in delivering customised electrical solutons for challenging environments. |
The growing decentralisation of power grids
May 2026, Electrical Power & Protection
The decentralisation of power generation is changing how national grids function. For electrical engineers, several new challenges and opportunities are on the horizon. |
The OT operator’s guide to security and uptime on the plant
May 2026, IT in Manufacturing, RJ Connect
The article addresses three common questions about industrial network deployment and maintenance, exploring ways to achieve better control and visibility with more efficiency.
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