Face Mask Respiratory Resistance and Breather Valve Airtightness Tester

A. Scope of Application

According to GB 2626-2006, GB 2890-2009, GB 2626-2016, and GB 6220 non-powered air-purifying particle standards. It is used to test face mask breather valve airtightness.

B. Features:

     The tester can only detect half mask. Each sample must not have the following conditions:

1.      When the pumping flow rate has reached 500 L/min, the system negative pressure cannot reach 1180 Pa.

2.      The time for the exhalation valve to return to normal pressure is less than 20s.

C. Technical Parameters

1.     Volume: 150±10mL

2.   Micromanometer Measuring Range：0~2000±1Pa, accuracy 1Pa

3.    Flowmeter Measuring Rage：0～1000mL/min

4.     Flowmeter Accuracy: 3%

5.     Digital Display Flow Rate

6.     Timer Accuracy: 0.1s

7.     Air Pump Speed: 2L/min

8.     Real-time display of test pressure

9.     Meet the airtightness test of 6.14

10. PLC control, touch screen display

11. AC220/50HZ

D. Components:

1.     Head Model (1 Set)

2.     Respiratory pressure control system (1 Set)

3.     Microflow Sensor (1 Set)

4.     Micromanometer Sensor (1 Set)

5.     Siemens PLC programmable control system (1 Set)