Additel 761A - Page 7

VII
5. Documentation ............................................................................................................................................... 80
5.1 Quick test .............................................................................................................................................. 80
5.1.1 Pressure gauge ........................................................................................................................... 80
5.1.2 Pressure transmitter................................................................................................................... 81
5.1.3 Pressure switch .......................................................................................................................... 82
5.1.4 Pressure sensor .......................................................................................................................... 83
5.1.5 I/P converter .............................................................................................................................. 84
5.1.6 Signal isolator ............................................................................................................................. 84
5.2 Task ........................................................................................................................................................ 85
5.2.1 Analog pressure gauge ............................................................................................................... 85
5.2.2 Digital pressure gauge ................................................................................................................ 91
5.2.3 Calibrate a pressure transmitter ................................................................................................ 92
5.2.4 Pressure transducer ................................................................................................................... 95
5.2.4 Pressure switch .......................................................................................................................... 98
5.2.6 I/P converter ............................................................................................................................ 100
5.2.7 Signal isolator ........................................................................................................................... 103
5.2.8 Contact pressure gauge ............................................................................................................ 105
5.2.9 Valve opening gauge ................................................................................................................ 109
5.3.2 Mercury barometer .................................................................................................................. 114
5.3.3 Aneroid barometer ................................................................................................................... 115