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Fisher® Field Instrumentation

Fisher® field mounted instruments provide monitoring and control to final control devices. Transducers, controllers, volume boosters, solenoids and switches are used to monitor and control flow, temperature, pressure and level variables in the process industry. ​​​​
  • Fisher® 249Level Sensors
    Liquid level sensors are designed to measure changes in liquid level, liquid interface, or density/specific gravity inside a process vessel.
  • Fisher 2100Level Switches
    Level switches sense high or low liquid levels. A displacer is used as the sensor and is located in an external cage that mounts the outside of a vessel.
  • Fisher DL3Level Transmitters
    Both digital electronic and pneumatic displacement level transmitters are used for accurate level measurement or precision level loop control.
  • Fisher L2eLiquid Level Controller - Electric
    Liquid level controllers sense liquid level and can form a fully electric level control loop which eliminates pneumatic controller & dump valve venting.
  • Fisher L2Liquid Level Controllers - Pneumatic
    Pneumatic level controllers sense the level of a liquid, compare the level with a desired value, and produce a pneumatic signal.
  • Fisher C1Pneumatic Pressure Controllers
    Pneumatic pressure controllers offer economical and accurate control whether the process variable is differential pressure or gauge pressure.
  • Fisher 4196Pneumatic Temperature Controllers
    Pneumatic temperature controllers compare process temperature with an adjusted set point. The controller delivers a pneumatic signal to a control element.
  • Fisher i2P-100Valve Accessories
    Emerson Process Management manufactures a broad range of accessories for use with control valves.