Nouvelle T9731 High-performance Flow Test instrument with continuous measurement for EN 14683 à Modène, Émilie-Romagne, Italie
Nouvelle
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Specifications
Description
The
T9731
is specifically designed for measure the adequate air flow rate in complete adherence to the standard
EN 14683
for surgical masks leak testing.
As shown in diagram C.1 on page 12 of the
standard EN14683
, the instrument is equipped with two air flow meters of type Mass-flow with scales 0.0...20.0 nLitres/minute (2.12 of diagram - point C.2.1) servo driven valve controlled from the software (10 of the diagram - point C.2.4), and a double gauge / differential pressure measurement (M1 and M2) as expressly indicated in point C.2.2 .
In order to comply with both the ISO accreditation standards and the expectations of the reference standard, the pressure measurements in “Differential" mode (or pressure drop) occurs in Pa or Pa/cm2 in case the sample area is set in the menu TST with area different from 1.00 cm2.
Automatic pressure regulator
Measurement up to 20,000 cc/min
Resolution starting from 0.1 cc/min