Instruction

1. Askania minimeter & the inclined tube manometer is placed on a firm and leveled surface.
2. Add number of observation you want to take.
3. Take the initial readings of these instruments. And add to the table.
4. Click on the black square to release pressure from the glass bottle.
5. Click on the "Click to measure" button to take observations of the pressure from the Askania and the inclined tube.
6. Then click on the button "Add result to observation table" to add all the values to the table.
7. Repeat the process from step (4) untill you reach the given no. of observations.
8. Click on "Plot". This will plot the calibration graph as the Askania minimeter observations as function of the inclined tube manometer values without adjusting for the vertical units.