Datasheet

3
Learning changes
What was the difference again between standard and working volume
flow? Or how are draughts in offices assessed?
If you need the answers to the above questions, just give us a call.
We will do our best to help you.
Inter-laboratory tests
Three precision probes were tested in extensive inter-laboratory tests
at the PTB in Berlin, NIST in the USA, in the French National Institute
CETIAT, the Italian national institute IMGC, the English national
institute NPL, the Spanish national institute INTA, at JQA in Japan,
KRISS in Korea, NRCCRM in Peking and in the Testo DAkkS
calibration laboratory. The results measured confirm a probe accuracy
of ±1 %RH as specified by Testo.
We owe Testo a
lot
Mr. Schleeh and his team are not only loyal Testo customers, they
also attend seminars on air conditioning and ventilation engineering
at Testo on a regular basis.
Mr. Schleeh, what developments do you see in air conditioning
engineering?
In the EU, there is a strong trend towards air conditioning in rooms,
particularly in Southern European countries but also in Germany. In
particular, split systems, decentralised systems for partial air
conditioning in which an outside unit is combined with one or more
inside units, are on the increase. The technical development is
clearly targeting at a high efficiency level using intelligent system
and regulation concepts.
What significance does measurement engineering have in your
sector?
In order to be able to ideally adjust air conditioning and ventilation
systems, we have to know numerous parameters and adjust them
to each other. Without the proper measuring instruments and the
know-how as to how to measure, it would simply be impossible.
What keeps you loyal to Testo?
The right instrument for every measurement job in air conditioning
and ventilation engineering. I do not know any other company with
such a comparable complete and well thought-through range of
products for our sector. You could nearly believe that the Testo
developers watch us everyday when we are measuring. For
example, the SoftCase protection case with magnetic holder so
that I can attach my meter to the system and have my hands free
to guide the probe and make adjustments.
Service is also first-class. With the few defects we experienced over
the years, we always received help straightaway. When we had to
send in an instrument, a replacement instrument was immediately
made available to us.
In your sector you could be referred to as an „old hat“, why are you
still attending seminars at Testo?
Even old hats have to keep up-to-date. I have to pay attention to
new developments in measurement engineering and new technical
rules and legal stipulations about which I want to be informed. I
always choose the aspects which I consider important. The same
applies to my colleagues.
What would you write for Testo in the register?
Good instruments, good service, a lot of know-how. We owe Testo
a lot.
Wolfgang Schleeh,
Head of
Commissioning at
M+W Zander Facility
Engineering GmbH