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Measurement Engineering for Air Conditioning and ... - Bad Request

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Learning changes<br />

What was the difference again between st<strong>and</strong>ard <strong>and</strong> working volume<br />

flow? Or how are draughts in offices assessed?<br />

If you need the answers to the above questions, just give us a call.<br />

We will do our best to help you.<br />

Inter-laboratory tests<br />

Three precision probes were tested in extensive inter-laboratory tests<br />

at the PTB in Berlin, NIST in the USA, in the French National Institute<br />

CETIAT, the Italian national institute IMGC, the English national<br />

institute NPL, the Spanish national institute INTA, at JQA in Japan,<br />

KRISS in Korea, NRCCRM in Peking <strong>and</strong> in the Testo DAkkS<br />

calibration laboratory. The results measured confirm a probe accuracy<br />

of ±1 %RH as specified by Testo.<br />

We owe Testo a<br />

lot<br />

Wolfgang Schleeh,<br />

Head of<br />

Commissioning at<br />

M+W Z<strong>and</strong>er Facility<br />

<strong>Engineering</strong> GmbH<br />

Mr. Schleeh <strong>and</strong> his team are not only loyal Testo customers, they<br />

also attend seminars on air conditioning <strong>and</strong> ventilation engineering<br />

at Testo on a regular basis.<br />

Mr. Schleeh, what developments do you see in air conditioning<br />

engineering?<br />

In the EU, there is a strong trend towards air conditioning in rooms,<br />

particularly in Southern European countries but also in Germany. In<br />

particular, split systems, decentralised systems <strong>for</strong> partial air<br />

conditioning in which an outside unit is combined with one or more<br />

inside units, are on the increase. The technical development is<br />

clearly targeting at a high efficiency level using intelligent system<br />

<strong>and</strong> regulation concepts.<br />

What significance does measurement engineering have in your<br />

sector?<br />

In order to be able to ideally adjust air conditioning <strong>and</strong> ventilation<br />

systems, we have to know numerous parameters <strong>and</strong> adjust them<br />

to each other. Without the proper measuring instruments <strong>and</strong> the<br />

know-how as to how to measure, it would simply be impossible.<br />

What keeps you loyal to Testo?<br />

The right instrument <strong>for</strong> every measurement job in air conditioning<br />

<strong>and</strong> ventilation engineering. I do not know any other company with<br />

such a comparable complete <strong>and</strong> well thought-through range of<br />

products <strong>for</strong> our sector. You could nearly believe that the Testo<br />

developers watch us everyday when we are measuring. For<br />

example, the SoftCase protection case with magnetic holder so<br />

that I can attach my meter to the system <strong>and</strong> have my h<strong>and</strong>s free<br />

to guide the probe <strong>and</strong> make adjustments.<br />

Service is also first-class. With the few defects we experienced over<br />

the years, we always received help straightaway. When we had to<br />

send in an instrument, a replacement instrument was immediately<br />

made available to us.<br />

In your sector you could be referred to as an „old hat“, why are you<br />

still attending seminars at Testo?<br />

Even old hats have to keep up-to-date. I have to pay attention to<br />

new developments in measurement engineering <strong>and</strong> new technical<br />

rules <strong>and</strong> legal stipulations about which I want to be in<strong>for</strong>med. I<br />

always choose the aspects which I consider important. The same<br />

applies to my colleagues.<br />

What would you write <strong>for</strong> Testo in the register?<br />

Good instruments, good service, a lot of know-how. We owe Testo<br />

a lot.<br />

3

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