Where to install a medical device lab differential pressure gauge

You are asking where to install a medical device laboratory differential pressure gauge? Between cleanroom and non-cleanroom. Medical device laboratory differential pressure meter is in the clean room and non-clean room between the detection of differential pressure, the installation location is generally between the clean room and non-clean room wall is convenient to see from the outside of the clean room inside and outside the differential pressure. Differential pressure gauge, physical instruments, by all-aluminum casting, used to measure the pressure difference between two points.