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8 measurement units to choose from: psi, kPa, hPa, Pa, mmH2O, mmHg, inH2O, inHg
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2 air flow units to select from: fpm, m/s
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Integrated density compensation
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Backlit display / min and max values / hold function
The testo 512 differential pressure meter is available in 4 different models. This model has a measuring range of 0 to 0.80 inH2O (0 to 2 hPa), and is ideal for measuring pressure differences at filters, and for carrying out pitot static tube measurements in air ducts at air flow speeds between 2 and 17.5 m/s.