An auxillary ion-gauge was added next to exisiting ion-gauge. The one is UHV-24 while the original ine is UHV-24P model( Agilent). So, whichever gauge that is running, the controller setting must be adjusted for that.
Original ion gauge will be replaced soon after a new one is recieved. Its ion-collector might be shortend.
Background pressure: 1.9 E-7 torr
Mesh screen instlled for the new gauge.
Make: Varian
Model: UHV-24
Part No: 971-5007 Q1104-302
Please neote thsi gaug was from 2006 but never used!