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.

The desktop mains unit is versatile to use thanks to its international connection options.

Desk-top power supply with international connection options

Desk-top instrument supply with international connection options

Industrial Production

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Product colour	Black
Weight	440 g

Desk-top power supply with international connection options

Desk-top power supply with international connection options

General technical data