... automatically detect, record and control.3151 GP metal Capacitance pressure transmitter with remote seals (1199 PFW, 1199RTW, 1199EFW and 1199RFW) is ... A,Thin tube length as short as possible.B,the transmitter with one flange should be installed lower than the flange ... and processes or maintain the same level, the transmitter with two flange which is installed in the different height should ...