Standards:

Applications:

The Medical Face Mask Differential Pressure Tester is applicable to breathability evaluation across the following industries and products:

(1) Medical and Healthcare Industry: surgical masks, medical face masks, N95/FFP masks, disposable masks — evaluation of breathability and air exchange resistance

(2) Protective Clothing Industry: mask-integrated protective garments, isolation gowns with mask functionality — assessment of airflow and wearer comfort

(3) Textile Industry: nonwoven fabrics, filter fabrics, coated fabrics — air permeability and differential pressure testing

(4) Research and Development: development of new mask materials, optimization of air permeability and comfort, comparative studies

(5) Quality Control: production batch verification, mask material compliance testing for breathability standards

(6) Third-Party Testing Laboratories: certification testing, laboratory evaluation of mask differential pressure and comfort properties

The instrument is widely used for product development, quality control, R&D, and laboratory testing.

Product Information:

The Medical Face Mask Differential Pressure Tester, also known as the Mask Breathability Tester, is designed to evaluate the breathability of medical face mask materials. The instrument measures the differential pressure (ΔP) required to draw air through a defined surface area at a constant airflow rate. By providing controlled suction through the sample, the tester accurately determines the air exchange pressure and comfort performance of mask materials, which is essential for medical mask quality assessment.

Test Standards:

YY 0469-2011Surgical mask

YY 0969-2013Single-use medical face mask

EN 14683:2014Medical face masks - Requirements and test methods

Features：

1. using the suction gas source as the instrument power source, free from test space constraint;

2. with a high precision differential pressure sensor, digital show the sample pressure of both sides;

3. special sample holder to ensure a good clamping sample.

Technical Parameters：

Accessories：

Main test unit with suction air source

Differential pressure sensor

Sample holders and clamps

Digital display controller

Power cable

Operation manual

Calibration certificate

FAQ：

1.What is a Medical Face Mask Differential Pressure Tester?

A Medical Face Mask Differential Pressure Tester is a specialized device used to measure the resistance of medical face masks to airflow. This testing is crucial in evaluating how effectively a mask can provide protection while allowing a comfortable flow of air for the wearer. The differential pressure is calculated by measuring the pressure drop across the mask material when a certain airflow rate is applied.

2.Why is differential pressure important for medical masks?

Differential pressure is an essential parameter in determining the breathability of medical masks. A lower differential pressure indicates that it's easier for the wearer to breathe, while a higher differential pressure may signify that the mask is too restrictive.

3.How is the differential pressure of a mask measured?

The differential pressure of a mask is measured by placing the mask between two chambers, one exposed to ambient air and the other drawing air through the mask. The tester calculates the pressure difference between these two chambers at a defined airflow rate, typically in liters per minute (L/min). This test helps ensure that the mask meets specific regulatory standards for breathability.