Due to changed circumstances we are unable to take on new consulting contracts from 1 January 2008

Introduction

Services

• Electrical/electronic measurement of electrical and non-electrical quantities in industrial and scientific systems, including but not limited to flow, temperature, pressure, humidity, displacement, force, acceleration and optical quantities.

• Uncertainty analysis of measurement and calibration systems according to ISO Guide to the Expression of Uncertainty in Measurements, fulfilling the uncertainty requirements of ISO 17025 section 5.4.6.

• Mathematical modelling and computer simulation of industrial, physical and physiological systems.

• Analysis and prediction of the dynamic behaviour of measurement systems and actuators.

• Analogue, digital, opto-electronic and mixed circuit design, development and analysis.

• Anti-alias filter specification and design for digital measurement systems.

• Development, modification and calibration of physiological measurement systems.
  

Previous projects and consultancies

• Independent scientific credibility assessment of novel LED based lighting system. Flatwhite Lighting Pty Ltd, Sydney.

• Design of in-vitro apparatus for assessing thermodilution cardiac output measurement in small animals. AD Instruments, Castle Hill, Sydney.

• Measurement uncertainty analysis for NATA accredited calibration labs: Fotometrix Pty Ltd, Hornsby Heights, Sydney.  ABB Instrumentation PTY Ltd, Caringbah, Sydney.
  

• Designed and constructed a computer-controlled respiring human lung emulator. University of Sydney.
  

• Consultant on design and testing of novel instrumentation for electro-optical detection of cervical cancer. Polartechnics, Sydney (Richard Thompson).
  

• Design and development of a novel wheel alignment system for road vehicles.

• Consulting editor,  Flow Measurement Handbook, Temperature Measurement Handbook, Crown Publications, Johannesburg.

• Design of level measurement system for mobile steel mill. Baldwins Steel, Johannesburg.

• Safety assessment of an electrical shark repelling system, Natal Sharks Board.

• Expert opinion for electrocution court case.

• Analysis of alternative methods for temperature measurement in a nitrates plant, Kynoch Fertiliser Ltd, Johannesburg.

• Literature review of electrostatic techniques for measuring the mass flow of pulverised coal in large furnaces. Eskom, Johannesburg.
  

• Analysis of the biomechanics of a safety device for the gold mining industry, Anglo American, Johannesburg.

• Designed, constructed and evaluated a novel system for measuring the frequency and step responses of mass spectrometers and other real-time gas analysers. University of the Witwatersrand.

• Designed, constructed and evaluated a system for measuring the dynamic response of gas flow meters and pressure transducers in the frequency range 1 - 100 Hz. Johannesburg Hospital.

• Designed and constructed an electrically isolated system for measuring rapidly changing temperatures of moving gases. Johannesburg Hospital.

• Designed, constructed, commissioned and calibrated an instrument to measure the rate at which sweat dripped from a man (in ml/hr) working in a climatic chamber. Chamber of Mines Research Labs.