Emerson 8712E Process Grounding Options Type of Pipe, Lining, Straps, Electrode Protectors

Quick Installation Guide

Rosemount 8712 / 8700 Series

00825-0100-4664, Rev BB January 2013

STEP 5: GROUNDING

Use Table 6 to determine which process grounding option to follow for proper installation. The sensor case should be earth grounded in accordance with national and local electrical codes. Failure to do so may impair the protection provided by the equipment.

Table 6. Process Grounding Installation

		Process Grounding Options
Type of Pipe	Grounding		Grounding	Grounding	Lining
	Straps		Rings	Electrode	Protectors
Conductive	See Figure 10		Not Required	Not Required	See Figure 11
Unlined Pipe
Conductive Lined	Insufficient		See Figure 11	See Figure 10	See Figure 11
Pipe	Grounding
Non-Conductive	Insufficient		See Figure 12	See Figure 13	See Figure 12
Pipe	Grounding

Figure 10. Grounding Straps or Grounding Electrode in Lined Pipe

Figure 11. Grounding with Grounding Rings or Lining Protectors

Grounding Rings or Lining

Protectors

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