Revision 8 SLG 700 SmartLine Level Transmitter User’s Manual Page xi
List of Figures
Figure 2-1: Components of the Level transmitter ................................................................................... 2
Figure 2-2: Example of HART connection RL ........................................................................................ 7
Figure 2-3: Example of FF connection ................................................................................................... 8
Figure 2-4: Example of a FF network ................................................................................................... 11
Figure 2-5: Transmitter nameplate example ........................................................................................ 12
Figure 2-6: Standard SLG 700 Model Number ..................................................................................... 13
Figure 2-7: Safety certification example ............................................................................................... 13
Figure 2-1: GWR measurement ........................................................................................................... 16
Figure 2-2: Sample Echo Curve ........................................................................................................... 17
Figure 2-3: Interface measurement ...................................................................................................... 18
Figure 2-4 Radar Impulse Reflection model ......................................................................................... 19
Figure 2-5: Upper transition zone length and minimum blocking distance high (BDH) and minimum
blocking distance low (BDL) for coax probes in water.......................................................................... 23
Figure 2-6: Upper transition zone length and minimum blocking distance high (BDH) and minimum
blocking distance low (BDL) for coax probes in oil. .............................................................................. 23
Figure 2-7: Transition zone lengths and minimum blocking distance high (BDH) for single lead probes
in water. ................................................................................................................................................ 24
Figure 2-8: Transition zone lengths and minimum blocking distance high (BDH) for single lead (i.e.
rod and rope) probes in oil. ................................................................................................................... 25
Figure 2-9 Minimum blocking distances, steam application for a threaded HTHP process connector 25
Figure 2-10 Minimum blocking distance, steam application for a flanged HTHP process connector .. 26
Figure 2-11: Two-liquids Flooded ......................................................................................................... 28
Figure 2-12: Two-liquids non-flooded. .................................................................................................. 29
Figure 2-13 Typical Echo steam application echo with vapor reference rod........................................ 31
Figure 2-14: Top vertical and angled mounting .................................................................................... 33
Figure 3-1 SLG720 probe dimensions, mm [in] .................................................................................... 40
Figure 3-2: SLG720 FEP probe dimensions, mm [in] ........................................................................... 41
Figure 3-3: SLG726 Threaded process connection probe dimensions; mm [in] .................................. 42
Figure 3-4 SLG726 Flanged process connection probe dimensions; mm [in] ..................................... 43
Figure 3-5: SLG726 Saturated steam application threaded process connection probe dimensions; mm
[in] ......................................................................................................................................................... 44
Figure 3-6: SLG726 Saturated steam application flanged process connection probe dimensions; mm
[in] ......................................................................................................................................................... 44
Figure 3-7: Example bending torque values ......................................................................................... 47
Figure 3-8: Drill 6-mm diameter hole at the position shown on the coaxial outer conductor. .............. 48
Figure 3-9: Rod probe assembly .......................................................................................................... 49
Figure 3-10: SLG726 flanged process connection, probe nut installation position, mm [in] ................ 50
Figure 3-11: Wire probe assembly ....................................................................................................... 51
Figure 3-12: SLG720 Coaxial probe assembly (single outer tube depicted) ....................................... 54
Figure 3-13: SLG720 Coaxial probe assembly (single outer tube depicted) ....................................... 54
Figure 3-14: SLG726 Coaxial probe assembly .................................................................................... 59