The main purpose
It is used for the air tightness test of the exhalation valve of self-priming filtering anti-particle respirator. Meet the test standard GB 2626-2006 respiratory protective 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. Constant volume cavity: volume (150±10) mL;
3. Gas flow meter: range (0～1000) mL/min;
4. Micromanometer: measuring range ±1000Pa;
5. Timer: 0～99.99s/min/h, set arbitrarily;
6. Power supply: 220V, 50Hz.
7. The pumping rate of the vacuum pump is 2L/min.
Applicable standards
GB 2626-2006 Respiratory protection products Self-priming filter anti-particulate respirator