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Pressure, humidity and temperature measurement

Vaisala has introduced a new generation barometric pressure, relative humidity and temperature measuring transmitter series, the Vaisala Combined Pressure, Humidity and Temperature Transmitter PTU300.



Safety and the environment in vacuum measurement

Vacuubrand's DVR 2 for the measuring range 1080 - 1 mbar with simultaneous analogue and digital measurement readouts combines a quick trend indication, an overview and a precise readout.



Reliable temperature measurement is key to the sterilisation cycle

The elimination of micro-organisms to the point at which they are no longer detectable in standard media culture, is a basic and essential process within the fields of pharmaceutical manufacturing, research and in health care organisations. The process within which this is carried out is sterilisation, of which there are various forms, but perhaps the most prominent of these is steam or moist heat sterilisation. Neville J. Mitchell reports.



A worthwhile procedure for bread volume measurement

All over the world, test baking is the most common procedure followed by mills for determining the baking quality of their flour. Test baking is also the method used by bakeries in their quality control laboratories.

Ingredient companies employ the same methods in order to determine the quality of their products.

Urban Girhammar reports.




Life sciences trigger developments in physical measurement techniques

In 2000 we are turning from the century of physics to the century of biology. Transgenetic food, genetic diagnostics and pharmaceuticals in medicine ­ biology and biochemistry weekly confront us with new findings giving rise to new opportunities. By Dr Heidrun Tippe.



Advances in the measurement of LDL cholesterol

Until recently, direct measurement of LDL cholesterol was not practically possible for most laboratories in a routine clinical setting. The first homogeneous LDL method was introduced in 1997. Here, Mauro Panteghini looks at the clinical significance and advances in measurement of LDL cholesterol.



Novel solution for particle size measurement problems

Work undertaken in Germany is demonstrating how a new particle size measurement technique is opening up many new applications areas in the laboratory. Heike Krischollek reports on the specific problems posed when dealing with biological materials and how one new measurement system has been designed to overcome these difficulties.



Speed and point of sampling are the drivers for measurement science

Increasing the speed of sample throughput and the desire to conduct analysis at the point of sampling ­ be it in the field, factory or surgery ­ are two of the major trends driving measurement science today. Helen Parkes and Derek Craston report.



How to achieve measurement quality in Karl Fischer analyses

Eric Trompier explains why a low standard deviation or relative standard deviation does not necessarily correspond to a high level of accuracy nor the result obtained correspond to the true value of your sample.



The rise of the Zeta potential in laboratory measurement systems

The battery of different pieces of high-tech equipment found in modern laboratories measure a dizzying array of parameters. Every factor is probed in an attempt to help researchers understand what, exactly, they have got in their sample tube. Zeta potential is one of the more obscure measurements, but it is assuming increasing importance. Stuart Nathan reports.



JRC report reviews measurement methods for nanoparticle sizing

A new report by the European Commission's Joint Research Centre (JRC) presents an in-depth review of methods available to measure the size of nanoparticles.



Measuring heads for reflection measurement

The OMK ECLIPSE is the latest generation probe for the measurement of diffuse reflection



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