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Reference Manual
00809-0100-4444, Rev AC
Appendix B: Product Specifications
January 2015
Product Specifications
B.4 Rosemount 8721 Hygienic (Sanitary) Sensor
specifications
B.4.1 Functional specifications
Service
Conductive liquids and slurries
Line sizes
1
/2-in. to 4-in. (15 mm to100 mm)
Sensor coil resistance
5 -10
Interchangeability
The Rosemount 8721 sensors are interchangeable with Rosemount 8732EM transmitters.
System accuracy is maintained regardless of line size or optional features.
Each sensor label has a 16 digit calibration number that can be entered into the transmitter
through the Local Operator Interface (LOI) or the Field Communicator.
Conductivity limits
Process liquid must have a minimum conductivity of 5 microSiemens/cm (5 micromhos/cm) or
greater. Excludes the effect of interconnecting cable length in remote mount transmitter
installations.
Flow rate range
Capable of processing signals from fluids that are traveling between 0.04 and 39 ft/s (0.01 to 12
m/s) for both forward and reverse flow in all sensor sizes. Full scale continuously adjustable
between –39 and 39 ft/s (–12 to 12 m/s).