| Brand | Testo |
|---|
testo 521-1 – Differential pressure measuring instrument 0 to 100 hPa (accuracy ±0.2% of f.v.)
- Integrated differential pressure sensor with an accuracy of 0.2 % of f.v.
- Calculation of the flow velocity and the volume flow via Pitot tube (optional).
- Multi-point and timed mean calculation.
- 2 probe inputs for additional pressure and temperature probes.
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