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Reference Manual
00809-0100-4444, Rev AC
Section 3: Advanced Installation Details
January 2015
Advanced Installation Details
Figure 3-16. Insulating a Rosemount Magnetic Flowmeter for Permeation
2. When insulation of the magnetic flowmeter sensor is required due to plant safety
standards designed to protect personnel from contact burns, extend the insulation up
to the coil housing, covering both ends of the sensor and flanges (Figure 3-17). The
insulation should NOT cover the coil housing or the terminal junction box. Insulating
the coil housing and the terminal junction box can result in overheating of the coil
compartment and terminals, resulting in erratic/erroneous flow readings and potential
damage or failure of the meter.