The testo 6383 and 6381 were developed specially for measuring differential pressures <= 10 Pa, which occur in clean rooms, for example. Using the Testo differential pressure measuring cell it is possible to record differential pressures with a high degree of accuracy both in this low range but also in a higher range of up to +/- 100,000 Pa (= 1 bar). Any zero point drift is prohibited in all new testo models with the integrated, automatic zero point adjustment.
Thanks to an optional internal or external probe from the probe series 6610, for the testo 6383 und 6381 the additional recording of humidity and temperature with one instrument is also possible.
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