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.

Pressure probe, 2000 hPa, measures absolute pressure, in robust metal housing with impact protection, incl. quick-closing coupling (M8 x 0.5), magnet for fast attachment

Pressure probe, 2000 hPa, measures absolute pressure, in rob...

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Measuring range	0 to +2000 hPa
Accuracy	±5 hPa
Overload	4000 hPa

Pressure probe, 2000 hPa, measures absolute pressure, in rob...

Pressure probe, 2000 hPa, measures absolute pressure, in rob...

Absolute Pressure

General technical data

Operating temperature	0 to 50 °C