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This Newsletter
was automatically translated by an internet translator machine from
French to English and the translation can show misuses of words which
can create funny things.
Labomat News N°19Our
new general catalogue
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Instruments
& Specialities----
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And now, the news...
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September is traditionally in France the period for wine's fairs. So, here is the Vintner Viewer, cabin of observation especially adapted to wines and bottles. |
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The Vintner Viewer is of particular interest to those involved in the importing or bottling of wine, spirits or soft drinks. The unit contains two light sources to check for the presence of sediment, crystallisation, cork particles, cloudiness, and any other foreign bodies. Suitable for white, rosé and even red wines in coloured bottles, the Vintners Viewer can also be used to check for any contamination in spirits, clear lemonade, cola etc. |
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The separately switched light sources enables
bottle and contents to be examined in both vertical and horizontal
positions. The length of the horizontal aperture is adjustable
to accommodate various bottle sizes.
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The MX and PX thickness gauge from Dakota Ultrasonics
are inherently capable of performing measurements on a wide range
of materials, from various metals to glass and plastics... |
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Generally speaking, the best transducer of a job is one that sends sufficient ultrasonic energy into the material being measured such that a strong, stable echo is received by the instrument. Several factors affect the strength of ultrasound as it travels.
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| As always, selection of the proper transducer is often a matter of tradeoffs between various caracteristics.It may be necessary to experiment with a variety of transducers in order to find one that works well for a given job. | |
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BST ou BPT ? Insulated or non-insulated thermometer ? |
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The
Black Standard Thermometer (BST) is a relatively new thermal sensor
used for natural and accelerated weathering. It can be found in
several ISO specifications. The sensor was developped in Europe
as an alternative to the Black Panel Thermometer (BPT) which is
currently used widely in the USA. The BST, which is an insulated
thermometer, is intended to give a more accurate estimate of the
true temperature of exposed materials. It typically reads up to
5°C higher than the BPT. Generally speaking, the BST can be
use for material having a bulk mass but the BPT is better when
controling the temperature of flat metal panels.
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Finally,
we have to keep in mind that all black panel thermometers are
only an approximation, the best approach is always to measure
the actual temperature of the test specimen itself.
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Standardized
salt for Salt spray Tests
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In
order to guarantee reliable tests of corrosion by respecting the
international standards, it is important to use specific sodium
chloride to carry out the salt solution. It is however difficult
to get " small " quantities of salt from the manufacturers.
Labomat Essor thus chose to store this salt for you in order to
be abble to deliver quantities by bag of 25 kg, more adapted to
your consumption. Contact us!
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With
the new range
of R/S and SST 2000 rheometers, Brookfield company now proposes
economic solutions for the measurement of viscosity using the
controlled stress technology. |
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Controlled rate :Brookfield
is the world leader in the field of the viscosity measurement
with rotary instrument, i.e. in the field of controlled rate viscosity.
This simple reliable and durable concept consists in rotating
a spindle at constant speed in a fluid and to record by means
of a spring, the resistance to the movement what the material
opposes. With certain accessories and by taking measurements at
various speeds, it is possible to carry out rheological curves
that are good representation of the flow behavior of your products.
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Controlled stress :
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Seminars for Brookfield viscometers users We planned two new sessions in November 21 and December 12. These formations will take place in our new premises. We will present the wide range of viscometers and accessories and will be able to do measurements on your samples in order to illustrate our matter. |
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Companies that can do some tests for you. The acquisition of some laboratory equipments is sometimes difficult to justify when the need is limited. We established a listing of accredited companies which can carry out different tests for you :
We can give you a listing of companies. You can also contact us if you wish to propose your services. New generation of micro temperature recorder/logger
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We hope that
you liked reading our newsletter and it provided information of particular
use to you. We await your comments and suggestions.
Best regards.
Stéphane Gellée
Contact Email: info@labomat.com
You
always have the possibility of consulting our previous News
July 2002
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To use our form of request for information All rights reserved © 2002 LABOMAT ESSOR |