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

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

Differential Pressure - Piezoresistive	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

General technical data

Differential Pressure - Piezoresistive

Differential Pressure - Piezoresistive