Compartment pressure measurement

Procedure

1. Contents of the pressure measurement kit
2. Remove contents from wrapping
3. Attach chamber to the pre-filled saline syringe
4. Place the aforementioned into the monitor/unit
5. Place needle onto chamber
6. Eject excess air, if present, from syringe
7. Zero the assembled unit at the angle you will be entering compartment
8. Insert, inject 2-3 drops of saline, and await measurement