Testo 521-2 Differential Pressure Measuring Instrument


Testo 521-2 Differential Pressure Measuring Instrument is focused on exact differential weight estimations in cooling and ventilation innovation. It is magnificent for use in estimating the weight drop on channels and in checking fans and extractors. The estimating instrument is likewise appropriate for Pitot tube estimations in ventilation pipes or in-process air (in the 5 to 100 m/s go).

Applications: pneumatic, compressor and pump installations, valves, tanks and heating, ventilation, and air conditioning (HVAC) systems.

100 in stock

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Country : United States

Product Description

Testo 521-2 Differential Pressure Measuring Instrument has an integrated temperature-remunerated differential weight sensor that tests 0.1 percent f.v. accuracy. Up to 2 discretionary tests can be promoted to the estimation instrument. This means you can adaptably change the differential weight estimating instrument to your use. You have the option of the accompanying exams.

Features of Testo 521-2 Differential Pressure Measuring Instrument:

  •  Built-in differential pressure probe
  •  2 user-defined probe sockets for pressure and
  • A wide selection of probes
  • Documentation on site
  • Easy data management via PC
  • 2 line display with a text menu guide
  •  Mains socket/fast battery recharging
  •  Fast-action coupling connections M8x0.5

Additional Information

Weight 1 kg
Model No
Measuring Parameters Ceramic, Piezoresistive, Temperature - NTC, Temperature - TC Type K (NiCr-Ni)
Accuracy ±0.4 °C Remaining Range, ±0.2 °C (-10 to +50 °C)
Temperature - TC Type K (NiCr-Ni)
Accuracy_1 ,
Differential pressure (internal sensor) - Piezoresistive 0 to 100 hPa
Accuracy_2 ±0.1 % of fsv
Static Pressure
Overload 300 hPa
Zeroing to 2.5 hPa
Differential pressure (external probe) - Piezoresistive 0 to 2000 hPa
Accuracy_3 ±0.1 % of mv
Resolution , , ,
Differential pressure (external probe) - Ceramic -1 to 400 bar
Accuracy_4 ±0.2 % of fsv
Operating Temperature
Storage Temperature
Power Supply
Battery Life
Overload limit


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