Sterilization guidelines

Sir any one tell me what is exact definition of equilibrium time and lag time

Good morning, equilibrium time is called when teprature of all sensor is equal with in 15 sec’s for <800ltrs ,30 seconds for> 800L chamber size.

Equilibrium time will be considered only porous Loads only.
For reference you may visit
En285 , CFPP guidelines.

the period of time between two closely related events, phenomena, etc., as between stimulus and response or between cause and effect: a time-lag between the declaration of war and full war production.