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 stainless steel pitot tube (500 mm long) enables precise flow velocity and temperature measurements – ideal for demanding applications.

Stainless steel pitot tube

Pitot tube, stainless steel, 500 mm long, measures velocity ...

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General technical data	Measuring range +1 to +30 m/s
	Length 500 mm
	Diameter 8 mm
	Pitot tube factor 0.67

Stainless steel pitot tube

Stainless steel pitot tube

Temperature - TC Type K (NiCr-Ni)

Temperature - TC Type K (NiCr-Ni)

General technical data

General technical data

Temperature - TC Type K (NiCr-Ni)	Measuring range 0 to +600 °C