11
2. Attach a short piece of tubing (1/4" I.D.) between the particle counter sample inlet (on top of
counter) and the manifold sample air outlet fitting (center of shroud).
3. Attach a "return air" tube (1/4" I.D.) between fitting on rear panel of particle counter and
manifold.
4. Attach large hose between vacuum pump and manifold assembly exhaust outlet, leaving
unused vacuum connection capped.
Figure 3. Manifold to Particle Counter Tubing Connections
Sample Line
Connections
Return Air Connections
To
Vacuum
Pump
