Product Usage

It is suitable for measuring the gas exchange pressure difference of medical surgical masks, 

and can also be used to determine the gas exchange pressure difference of other textile materials.

Features

2.1 Adopting a suction air source as the power source of the instrument, which is not limited by 

the space of the test site;

2.2 Equipped with high-precision pressure difference sensor, digitally display the pressure difference 

on both sides of the sample;

2.3 The special sample holder ensures that the sample is firmly held.

Technical Parameters

3.1 Air source

Suction

3.2 Air flow

8L / min

3.3 Sealing method

O-ring seal

3.4 Sample breathable caliber

Ф25mm

3.5 Differential pressure sensor range

0 ～ 500pa

3.6 Display mode

Digital display pressure difference

3.7 Power

220V, 50Hz

Standard

GB 2626-2019 Respiratory protective equipment Self-priming filter anti-particulate respirator 

5.3 Breathing resistance

YY0469-2011 "Medical Surgical Mask"

YY0969-2013 "disposable medical masks"

ASTM F2100-19 Standard Specification for Performance of Materials Used in Medical Face Masks 

EN 14683-2019 Medical face masks - Requirements and test methods