Asia Vision Instrument

Medical face mask differential pressure tester also called mask breathility tester is to determine the breathability of medical face mask materials. The tester can measure the differential pressure (Delta P) required to draw air through a measured surface area at a constant air flow rate is used to measure the air exchange pressure of the medical face mask materials. By providing the suction air through the holding sample, the tester can measure the Delta P by differential pressure transducer. It is to determine the air permeability and using comfort of the materials for medical mask.
As per BS EN 14683, IS 16289

Technical Specification:
Test Position: One
Provides 0.5 ~ 30 +/- 0.1 kPa air pressure to the specimen
Air pressure can be set freely, set range 0.5 ~ 30 kPa
Test head is made of high-quality 316 stainless steel, a high strength cover
Square metal block network: more than 50% open space; less than 5mm bending under 30kPa.
Force working area: 28.26cm2
Specimen dimension: 75mmx75mm
Compressed cross-section diameter: Φ57mm
Equipped with the automatic specimen clamping
Timer: ±1s
Torque 13.6Nm

TECHNICAL SPECIFICATIONS:
??? Blood spraying distance: 300 mm ~ 310 mm adjustable
??? Needle inner Diameter: 0.84 mm
??? Spraying speed: 450cm / s, 550cm / s, 635cm / s
??? Stimulated synthetic Blood pressure: 10.6kPa, 16.0 kPa, 21.3 kPa (ie 80mmHg, 120mmHg,
160mmHg)\