Principle of Operation
Flow in the ForceMeter™ target meter is measured in terms of dynamic force acting on a target in the flow stream. A hermetically sealed strain gauge is bonded in a bridge circuit configuration and mounted outside the flow stream. When force is applied to the target this translates to an electrical output that is proportional to the flow rate.
TRANSMITTER OPTIONS
2-Wire: A 2-wire loop powered meter with a 4-20mA output and HART communication. It has a turndown ratio of 15:1, and is used where 2-wire loop powered is required.
3-Wire: The 3-wire has a power, signal (4-20mA and HART communication), and ground connection. With more power available, the meter produces a higher signal-to-noise ratio, minimizing electrical interference. This increases the turndown ratio to 20:1, allowing lower flow rates to be measured.
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