As a producer of professional  measurement devices  we take care of our instruments required standards. NK-3 anemometers are delivered with measuring system (used to wind’s audits) as a full set and have got individual calibration’s certificates, which are written out by measuring accredited laboratories PCA or MEASNET.

In Poland, anemometers are calibrated in institutions below:

Instytut Mechaniki Górotworu PAN ul. Reymonta 27, 30-059 Kraków

Instytut Meteorologii i Gospodarki Wodnej ul. Podleśna 61, 01-673 Warszawa

Polish laboratory certificate - example:

For individual wishes we can calibrate our anemometers in institutions below:

DEWI GmbH, Deutsches Windenergie Institut Deputy Head of Anemometer Calibrations Ebertstraße 96, D-26382 Wilhelmshaven, Niemcy

IDR/UPM E.T.S.I. Aeronáuticos Pz. Cardenal Cisneros 3, 28040 Madryt, Hiszpania