Casella CEL Sampling heads for personal dust sampling - Manual (Page 21)

7.3 Checklist Before Sampling
1. Make sure the battery has been fully charged.
2. Ensure that the pump is operational.
3. If using a filter, make sure that the backing paper is removed.
4. Ensure sampling head is correctly fitted with no leaks.
5. When using a cyclone, make sure the pump is connected to the
pump by the top outlet stub.
6. If a flow rate cannot be obtained with similar conditions to previous
occasions, a leakage may be present.
7. Ensure that the sample to be taken is uniquely labelled.
Sampling
Page 21 of 24
SAMPLING HEADS AND ACCESSORIES
Users Guide