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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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This DAkkS calibration certificate certifies that your measuring instrument or probe is calibrated. Calibration is carried out according to the DAkkS standard.

DAkkS pressure calibration certificate - with 5 calibration points

DAkkS calibration certificate/pressure

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DAkkS pressure calibration certificate - with 5 calibration points

DAkkS pressure calibration certificate - with 5 calibration points

General technical data

General technical data