Emerson Process Management 8732 manual Uninstalled Rosemount 8711 Wafer Sensor Tests

Rosemount 8732

Reference Manual

00809-0100-4663, Rev BA January 2010

Figure 6-2. 45° Electrode Plane

To insure accuracy of resistance readings, zero out multimeter by shorting and touching the leads together.

Table 6-6. Uninstalled Rosemount 8705 / 8707

Flanged Sensor Tests

	Hazardous Location Certifications
Measuring at Connections	N0	N5, KD
18 and Electrode(1)	 275	61k  R  75k
19 and Electrode(1)	 275	61k  R  75k
17 and Grounding Electrode	 0.3	 0.3
17 and Ground Symbol	 0.3	 0.3
17 and 18	Open	Open
17 and 19	Open	Open
17 and 1	Open	Open

(1)It is difficult to tell from visual inspection alone which electrode is wired to which number terminal in the terminal block. Measure both electrodes. One electrode should result in an open reading, while the other electrode should be less than 275  .

Table 6-7. Uninstalled Rosemount 8711 Wafer Sensor Tests

	Hazardous Location Certification
Measuring at Connections	N0	N5, E5, CD
18 and Electrode(1)	 0.3	61k  R  75k
19 and Electrode(2)	 275	61k  R  75k
17 and Grounding Electrode	 0.3	 0.3
17 and Grounding Symbol	 0.3	 0.3
17 and 18	Open	Open
17 and 19	Open	Open
17 and 1	Open	Open

(1)Measure the electrode closest to the junction box

(2)Measure the electrode farthest away from the junction box.

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