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.

<div style="background-color:#dae4ea; border: 1px solid #648798; padding: 10px;"><b>Product no longer available. Are you familiar with the alternative?<br/>Why not enjoy the benefits that it has to offer:<br/> <a href="…/p/0560-5210">>> To the product</a><br/>

<div style="background-color:#dae4ea; border: 1px solid #648798; padding: 10px;"><b>Product no longer available. Are you familiar with the alternative?<br/>Why not enjoy the benefits that it has to offer: <a href="…/p/0563-1512">>> To the product</a></b></div>

<div style="background-color:#dae4ea; border: 1px solid #648798; padding: 10px;"><b>Product no longer available. Are you familiar with the alternative?<br/>Why not enjoy the benefits that it has to offer:<br/> <a href="…/p/0560-5281">>> To the product</a><br/>

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.

Precision pressure probe, 100 Pa, in robust metal housing with impact protection, incl. magnet for fast attachment, to measure differential pressure and flow speeds (in combination with Pitot tube)

General technical data	Operating temperature 0 to +50 °C
	Static pressure 100 hPa
	Zeroing 20 hPa

Differential Pressure - Piezoresistive	Measuring range 0 to +100 Pa
	Accuracy ±(0.3 Pa ±0.5 % of mv)
	Resolution 0.1 Pa
	Overload 50 hPa

Precision pressure probe, 100 Pa, in robust metal housing wi...

Precision pressure probe, 100 Pa, in robust metal housing wi...

General technical data

General technical data

Differential Pressure - Piezoresistive

Differential Pressure - Piezoresistive