How to test.1. turn off the device using compressed air in all systems (turn off the machine, open the valve).2. started air compressor with a timer (T_on) air compressor will stop running when the pressure. Save time-period. After this, the air compressor will leak out, according to the leaks, the timer is stopped (t_off)3. when the pressure reduced air compressor work, save time again. Do this for about 3-5 times for accuracy, and then analyze the results.4. take the time to replace the 1 in the equation to calculate the rate of air leakage.
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