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, 1000 hPa, measures differential pressure, in robust metal housing with impact protection, incl. quick-closing coupling (M8 x 0.5), magnet for fast attachment

Operating temperature	0 to +50 °C
Product-/housing material	Metal housing
Static pressure	1.000 hPa
Zeroing	20 hPa

Measuring range	0 to +1000 hPa
Accuracy	±1 hPa (0 to +200 hPa) ±0,5 % of mv (+200 to +1000 hPa)
Resolution	0,1 hPa
Overload	2000 hPa

Pressure probe, 1000 hPa, measures differential pressure, in...

Pressure probe, 1000 hPa, measures differential pressure, in...

General technical data

Differential Pressure - Piezoresistive