Manual Integrator Supercal 531 06-06-2011 73
16. Annexe
16.1 Nowa / Unicon
„NOWA“ stands for „NOrmierter Wärmezähler-Adapter“ (standardized heat meter adapter).
In accordance with the latest standard, it should rather say „UNICON“ (UNIversal Signal-
CONverter).
The NOWA-interface is a standardised interface, which over the interface of a modern integrator,
provides the connection to the control of the official calibration test rig.
The relevant integrator data are recorded by the official calibration test rig and all necessary ad-
justments, calibrations and parameterisations are carried out during this calibration test.
All modern integrators have so-called standardised interfaces which however are designed for the
standardised readout of integrators and not for the adjustment, calibration and parameterisation of
the integrator over an official calibration test rig.
Apart from this, so far it has not been possible to introduce a standardized telegramme structure of
the integrator interfaces at all manufacturers of modern integrators. Therefore the development of
the NOWA-adapter was necessary.
Schematic diagram of an official calibration test rig
WZ
0,1234 m3
Referenz
Waage / MID
NOWA
Prüfstandssteuerung
Wärmezähler
Prüf- und
Abgleichadapter
Prüfstand
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