EN149 Clogging Mask Test Machine Temperature Humidity Control

Face Masks and Respirator Clogging Tester

MODEL:SM-4318AB

Face Masks and Respirator Clogging Tester is used to test the amount of dust collected on the filter when the air flow through the filter reaches a certain respiratory resistance in a certain dust environment by means of inhalation.

SM-4318AB tester is composed of dust generator, dust test chamber, vacuum pump and flowmeter, controlled by single chip microcomputer and displayed on touch screen.

Testing Scope:Half-piece Respirators, Face Masks, etc.

Testing Standards:

Specification:

1. Cross section of dust test cabin: 650mm x 650mm;

2. Air flow of test cabin: 60m³/h, linear speed 4cm/s;

3. Dust concentration: 400±100mg/m³;

4. Dust concentration sampling rate: 2L/min;

5. 2L tidal volume of respiratory simulator (adjustable);

6. Respiratory simulator frequency: 15 times / min (adjustable);

7. Air flow of vacuum pump 95L/min (adjustable);

8. Dust medium: Dolomite powder;

9. Built in humidifier and heater to control expiratory temperature and humidity;

10. Expiratory temperature in the mask: 37±2 ℃, relative humidity: 95%;

11. Touch screen control, simple operation;

12. Equipped with dust generator;

13. . Automatic control of dust concentration, flow and line speed;

14. A variety of clamps, suitable for respirator and mask testing;

15. Built in flowmeter;