GB Gas Tightness Testing Hack 5 + Redeem Codes

A simple Natural Gas Tightness testing app. Start at the top and complete the tests... If you are just learning or a seasoned veteran then there is something in this app for you. This will take you through a tightness testing procedure step by step.
Let-by test.... 1 min with a countdown timer and alarm.
stabilisation ... 1 min with a countdown timer and alarm.
Tightness test 2 min with a countdown timer and alarm.

The Manometer on the screen moves up and down to match the pressures that should be used in the tests.

Bonus
talks you through standing pressure and working pressure, look at the scrolling instructions on the screen to check the results and possibilities.

A FULL TIGHTNESS AND SOUNDESS FOR LPG APP. WILL BE AVAILABLE SOON. if you only work with Natural Gas Download this one.