Test Inputs Tank fill method
Litres
bar g
bar g
Minutes
min
Seconds
sec
bar abs
ⓘ Note on atmospheric pressure:
The standard value is 1.01325 bar abs (sea level, 15 °C). However, this value varies with your location and altitude:
• At higher altitudes (e.g. hill stations, highlands), atmospheric pressure is lower — this reduces compressor output.
• On a hot day or in humid conditions, actual pressure may differ slightly.
• For most industrial sites in Pune / Maharashtra, 1.013 bar is accurate. If your site is at significant elevation, use a local barometer reading for best accuracy.
The standard value is 1.01325 bar abs (sea level, 15 °C). However, this value varies with your location and altitude:
• At higher altitudes (e.g. hill stations, highlands), atmospheric pressure is lower — this reduces compressor output.
• On a hot day or in humid conditions, actual pressure may differ slightly.
• For most industrial sites in Pune / Maharashtra, 1.013 bar is accurate. If your site is at significant elevation, use a local barometer reading for best accuracy.
How It Works Tank fill test guide
1
Empty the receiver tank
Drain the tank to zero (or known start) pressure. Close all air outlets.
Drain the tank to zero (or known start) pressure. Close all air outlets.
2
Start the compressor & timer
Start your stopwatch exactly when the compressor starts filling the tank.
Start your stopwatch exactly when the compressor starts filling the tank.
3
Stop at target pressure
Stop the timer when the gauge reaches your end pressure. Record both values.
Stop the timer when the gauge reaches your end pressure. Record both values.
4
Enter your readings
Fill in the form on the left — results update instantly.
Fill in the form on the left — results update instantly.
Formula Used
FAD = V × (P2−P1) / Patm
Flow = FAD / Fill Time
Flow = FAD / Fill Time
Where V = tank volume (L), P1/P2 = gauge pressures (bar), Patm = atmospheric pressure (bar abs)