The T9731 is specifically designed for measure the adequate air flow rate in complete adherence to the standard EN 14683 for surgical masks 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. The connecting "short form" attached to the manuals providesconnection to an external vacuum pump (C.2.3), not provided.
Turkey
Medizer color series meltblown gray best quality surgical mask Made of two layers of nonwoven fabric, two layers of meltblown fabric, one layer of hot air cotton. High level breathing protection, filter efficiency, breathable fabric, suitable for all seasons. High quality elastic ear loops make it comfortable to wear for a long time.Our disposable face masks are suitable for adults and teenagers . These face masks can be used for daily protection, but should not be used in surgical or high risk situations . Great for dustfree workshops, schools, catering services, food processing, environmental cleaning, production workshop, public occasions, etc.
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The medical surgical masks / face masks offer optimal filtering performance with the highest wearing comfort due to soft elastic bands. Made in Germany: All materials as well as the production from Germany.
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The Haika medical face mask offers excellent protection to limit the transmission of infection. The 3 ply mask consists of three layers of nonwoven fabric including an antibacterial outer layer, one meltblown middle layer and a soft inner layer. Available in both a loop and tied variant.
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The Haika medical face mask offers excellent protection to limit the transmission of infection. The 3 ply mask consists of three layers of nonwoven fabric including an antibacterial outer layer, one meltblown middle layer and a soft inner layer. Available in both a loop and tied variant.
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