The high-precision testo 521-1 differential pressure measuring instrument is ideal for accurate differential pressure measurements in air conditioning and ventilation technology, for instance for pressure drop on filters, checking fans and extractors or for Pitot tube measurements.

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The testo 526-2 high-precision differential pressure measuring instrument is ideally suited for checking pressure in sensitive industrial processes, thanks to a measuring accuracy of &plusmn; 0.05% of final value. Two additional pressure and temperature probes can also be attached.

To potrdilo o kalibraciji DAkkS se uporablja za kalibracijo merilne naprave ali senzorja. Kalibracija se izvaja v skladu s standardom DAkkS.

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DAkkS certifikat o kalibraciji tlaka - z 9 merilnimi točkami

DAkkS certifikat o kalibraciji tlaka - z 9 merilnimi točkami