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Emerson introduces its Rosemount 9195 Wedge Flow Meter

March 5, 2024  By P&PC Staff

Photo: Emerson

Emerson has released its Rosemount 9195 Wedge Flow Meter, a fully integrated solution consisting of a wedge primary sensor element, supporting components and a selectable Rosemount pressure transmitter. The new meter’s design is ideal for measuring process fluids with a wide range of demanding characteristics in various heavy industry applications, including pulp and paper, chemicals and petrochemicals, metals and mining, oil and gas, renewable fuels, and others.

The Rosemount 9195 Wedge Flow Meter reportedly addresses common measurement challenges with its design. According to Emerson, the wedge element has no small passages that could plug due to entrained particles and it is abrasion-resistant due to the shallow approach angle of the process liquid and the lack of critical sharp edges.

The sensor’s operating temperature range is -40 to 1,000 degrees Fahrenheit (-40 to 538 degrees Celsius). The meter is available with Emerson’s Rosemount 3051S Thermal Range Expander for measuring hot or viscous liquids, without the need for heat tracing.


Two-way digital connections from the selected pressure transmitter to a host, such as a distributed control or an asset management system, can be made via 4-20 mA HART, WirelessHART, FOUNDATION Fieldbus, Modbus, or BSAP/MVS. Depending on the selected transmitter, a wide range of process variables can be sent to host systems for process control and monitoring, diagnostics, and other purposes, says Emerson.

The flow meter comes in three sensor/transmitter connection styles:

  • Compact: Reduces pipe standoff to address plugging and cleaning concerns. Saddle-style remote seal connection reduces the weight of the meter by 50 percent.
  • Flanged: Incorporates a 2-inch NPS/DN50 connection. This traditional style is used if flushing rings and valve assemblies are required.
  • Threaded: Incorporates a ½ inch NPT connection with tubing, ideal for applications where plugging is less of a concern than erosion or wear.

Five optional application packages – including standard, abrasive, ultra-high process temperature, cold environment and remote mount – are available for the sensor element, shares Emerson.

Available line sizes for the sensor are 2-inch to 8-inch (50 to 200 millimetres). All wetted materials are 316L stainless steel and the meter complies with ASME B31.3 and CRN safety standards.

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