1.Install a reducer pressure with gauge and flow meter to a cylinder, compressor or air line and adjust the flow meter the required setting.

2.Break tips off a fresh detector tube in the tube tip breaker and insert a tube into a tube holder.

3.Attach the rubber tube holder to the flow meter outlet. Make certain the tube arrowon the tube pointing in a down direction.

4.Turn on the cylinder or compressor and confirm the flow meter according to each Airtec tube specifications.

5.Time the flow rate with a stopwatch.

6.As soon as sampling time has elapsed turn off the cylinder or compressor, and remove the tube from the tube holder and then read the color change layer immediately.