Testo 521-1 Differential pressure measuring instrument

Product Id : 2493


Testo 521-1 differential pressure measuring instrument is focused on correct differential weight estimations in cooling and ventilation advancement. It is unimaginable for use in estimating the weight drop on diverts and in checking fans and extractors. The assessing instrument is in a like manner suitable for Pitot tube estimations in ventilation conductors or in-process air (in the 5 to 100 m/s broaden).

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 521-1 differential pressure measuring instrument has an integrated temperature-reimbursed differential weight sensor which measures with an accuracy of 0.2 % of f.v. Moreover, you can connect up to 2 help optional tests to the evaluating instrument. This suggests you can adaptably alter the differential weight assessing instrument to your application. You have the choice of going with tests.

Features of Testo 521-1 differential pressure measuring instrument:

  • Built-in differential pressure probe
  • 2 user-defined probe sockets for pressure and temperature
  • 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
Manufacturer Testo
Model No Testo 521-1
Measuring Parameters Ceramic, Piezoresistive, Temperature, Temperature - Type K TC
Resolution 0.1 °C
Temperature - NTC -40 to +150 °C
Accuracy ±0.2 °C (-10 to +50 °C), ±0.4 °C (Remaining Range)
Temperature - Type K TC -200 to +1370 °C
Accuracy_1 ±0.4 °C (-100 to +200 °C), ±1 °C Remaining Range
Resolution 0.1 °C
Differential pressure (internal sensor) - Piezoresistive 0 to 100 hPa
Accuracy_2 ±0.2 % of full-scale value
Resolution 0.01 hPa
Static pressure 1000 hPa (abs)
Overload 300 hPa
Static Pressure 1000 hPa
Zeroing to 2.5 hPa
Differential pressure (external probe) - Piezoresistive 0 to 2000 hPa
Accuracy_3 ±0.1 % of mv
Resolution 0.001 InH₂O (0638 1447) / 0.001 hPa (0638 1447), 0.01 InH₂O (0638 1547) / 0.01 hPa (0638 1547), 0.1 InH₂O (0638 1347) / 0.1 Pa (0638 1347), 0.1 InH₂O (0638 1847 / 0638 1647) / 0.1 hPa (0638 1847 / 0638 1647)
Differential pressure (external probe) - Ceramic -1 to 400 bar
Accuracy_4 ±0.2 % of full-scale value
Resolution 0.01 bar
Display LCD 7 segment display and point matrix 2x per second, in fast measurement 4x per second
Operating Temperature 0°C to +50°C
Storage Temperature -20 to +70°C
Housing ABS
Memory 100 kB; 25,000 measuring values
Power Supply Battery/Rechargeable battery,Mains unit 12 V
Battery Life Continuous operation w/ internal pressure sensor: 30 h; With rech. battery: 10 h; With carbon battery: 18 h
Overload limit 50 hPa
Warranty 2 Years Manufacturing Warranty
Dimensions 219 X 68 X 50mm
Weight 300 Grams

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