- To measure the intermediate pressure of first stage and to test and adjust breathing resistance of second stage
- Suitable for all types of regulators that utilizes an adjustable slotted drive orifice
- Connects between 2nd stage an
To measure the intermediate pressure of first stage.
Coupling for connecting to low pressure inflator hose.
Second stage acts as a pressure release valve.
Reading from 0 to 20 Bar (from 0 to 300 PSI, in red).
Protective plastic cover.