About vacuum in production

Why we are not writing (-mmhg )in bpr(batch production record) for vacuum ?when vacuum guage and pressure transmitter showing us minus reading .

As because Vacuum is always considered as negative pressure.

2 Likes

You are right sir but GDP telling us write which is you seen where gauge showing us minus reading so that.

Sir dry injection

Filling area m hm kon sa vacuum use krte h
Mns which types of vacuum are used for filling dry injectable product