Water Technology

The Rosemount 8712EM magnetic flowmeter.

The Rosemount 8712EM magnetic flowmeter.

Emerson meter is a diagnostic tool

October 2018

Emerson's new Rosemount 8712EM wall-mount magnetic flow meter transmitter with additional protocols, powerful diagnostic capabilities and usability features helps users gain quick and easy insight into their processes.

The new instrument will come in handy for users in the water and wastewater, metals and mining, and other industries.

Because the magnetic flow meter design does not leave any protrusions or obstructions in the pipe, it is able to accommodate an array of applications from clean and sanitary liquids to slurries and highly corrosive or abrasive fluids.

This flow measurement device consists of a sensor and a transmitter. The sensor is placed inline and measures an induced voltage generated by the fluid as it flows through a pipe.

The meter’s local operator interface has been designed using human-centred design concepts, making it easier and faster for technicians to navigate in the field.

“The Rosemount 8712EM melds usability pioneered by Emerson’s Human Centered Design Group with the quality, capabilities, and reliability that customers have come to trust from Emerson,” says Scott Dudek, product manager for Rosemount magnetic flow meters.

The Rosemount 8712EM’s diagnostic suite includes high process noise detection and ground fault detection. The electrode coating diagnostic offers two set points to alert when coating is present and when it is affecting flow measurement, enabling preventative maintenance. Smart Meter Verification continuously monitors the health and performance of the meter for ultimate measurement confidence.

Its universal transmitter capability allows the 8712EM to operate with any existing magnetic flow meter sensor and allows backwards compatibility with all Rosemount magnetic sensors. This feature not only makes the transmitter easier to integrate with older units, but it also enables the use of the 8712EM’s advanced diagnostic features. 

The Rosemount 8712EM supports Hart 7 for 32-character-long tag capability for reduced start-up time, as well as options for intrinsically safe Hart outputs and Modbus RS-485.

Headquartered in St Louis, Missouri, the US, Emerson is a global technology and engineering company providing innovative solutions for customers in the industrial, commercial, and residential markets.




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