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.

Low pressure probe, refrigerant-proof stainless steel, up to 10 bar

Low pressure probe, refrigerant-proof stainless steel, up to...

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Measuring range	-1 to +10 bar
Accuracy	±1 % of fsv
Overload rel. (low pressure)	25 bar

Operating temperature	-40 to +100°C
Zeroing	0,1 bar

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Low pressure probe, refrigerant-proof stainless steel, up to...

Low pressure probe, refrigerant-proof stainless steel, up to...

Pressure measurement

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