Diff. Pressure Measuring Instrument – Testo 512-1

Model No: Testo 512-1Part No:0563 1512

With the compact differential pressure measuring nstrument testo 512-1 (0 to 200 hPa) you have the ideal solution for simple, fast and precise measurement of gas flow and static gas pressure on heating systems, for checking filters on air conditioning systems and for Pitot tube measurement in ventilation ducts. The testo Smart App supports you with useful functions such as configuration, display (also as second screen) and storage as well as documentation of the measured values directly in the App.

  1. Simple, fast and precise differential pressure measurement (0 to 200 hPa) for checking filters and for Pitot tube measurement in the ventilation duct
  2. Reliable measurement results due to position-independent differential pressure sensor with high accuracy
  3. Fast in-app (duct) configuration, graph history, second screen and measurement data memory in the testo Smart App
  4. Volume flow calculation in measuring instrument and App


Differential pressure measurement fast, easy and precise: This is what the compact measuring instrument testo 512-1, which measures pressures up to 200 hPa, is all about. In practical use, it convinces with its flexibility and variety of applications. Checking the gas pressure on burners by measuring gas flow pressure and static gas pressure is just as quick and precise as checking filters and Pitot tube measurement in the ventilation duct. The position-independent differential pressure sensor ensures reliable and highly accurate measurement results. The testo Smart App for smartphones and tablets supports you with these functions:

  • Configure measuring instrument
  • Display graphical measured value curve
  • Save measurement data
  • Manage customers and measuring sites
  • Documentation on site
  • E-mail dispatch of the report

Scope of delivery

  • testo 512-1 – Differential pressure measuring instrument with App connection, measuring range 0 to 200 hPa, audible alarm
  • Transport bag
  • Connection hose made of silicone
  • Calibration protocol
  • 3 x AA batteries

Technical Data

Differential Pressure – Piezoresistive
Measuring range 0 to +200 hPa
Accuracy ±(0.3 Pa + 1% of m.v.) ±1 digit (0 to 25 hPa) ±(0.1 hPa + 1.5% of m.v.) ±1 digit (25.001 to 200 hPa)
Resolution 0.001 hPa (0 to +2 hPa) 0.01 hPa (2,01 to +20 hPa) 0.1 hPa (20,1 to +200 hPa)
Overload ±500 hPa
General technical data
Operating temperature -20 to +50 °C
Storage temperature -20 to +50 °C
Battery type 3 x AA



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