The main purpose

It is used for the air tightness test of the exhalation valve of self-priming filtering anti-particulate respirator. Meet the test standard GB2626-2019 Respiratory protection equipment self-priming filter anti-particulate respirator standard. Applicable to labor safety inspection centers, occupational safety inspection centers, disease prevention and control centers, respirator manufacturers, etc.

Technical index

1. Air source: vacuum pump;

2. Pipeline buffer volume: at least 5L;

3. Gas flow meter: range (0～100) mL/min, resolution 0.1mL/min;

4. Micro-pressure measurement range: -1000Pa～0Pa, resolution 1Pa;

5. Timer: 0～99.99S/M/H, set arbitrarily;

6. The pumping rate of the vacuum pump is about 2L/min.

7. Power supply: 220V, 50Hz.

Applicable standards

GB 2626-2019 Respiratory protection--Non-powered air-purifying particle respirator

GB 2890-2022 Respiratory protection-Non-powered air-purifying gas mask