Rosemount Emerson 3900-01-10 Ph Sensor 9.5 MeterRosemountEmersonModel: 3900-01-10Ph SensorT6 -20C Ta +60CClass I, Div 1, Abcd;Class Ii, Div.1, Efg; Class Iii;Class I, Div.2, AbcdEx Ia IicBassefa 10Atex0156XIecex Bas 10.0083XEx Ia Iic T4 Ga9.5 MeterDesigned In: UsaAssembled In: SingaporeWeight: 950 Gm