This gauge measures Gauge/Differential Pressure from 55 H2O to 55 H2O with 0.01 increments. It will assist the technician to set up effortlessly the 2nd stage inhalation effort.

It features 11 selectable units of common measures – including inches of water -. Additional features include Data Hold and Auto Power Off.

The unit includes theuniversal mouthpiece assembly (SCT-0805)andcarrying pouch.

The unit works on 9V battery.Due to shipping regulations to some countries, the 9V battery is not included.

Info on how to measure cracking effort.

Regulator and hose are not included.