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.

The testo 645 humidity/temperature measuring instrument automatically indicates the measurement parameters of relative humidity, absolute humidity, dew point, degree of humidity, enthalpy and temperature at the touch of a button.

Super quick-action immersion/penetration probe for measurements in liquids

Super quick-action immersion/penetration probe for measureme...

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Diameter probe shaft	1.5 mm
Length probe shaft	150 mm

Super quick-action immersion/penetration probe for measureme...

Super quick-action immersion/penetration probe for measureme...

General technical data