Industrial Controller
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Infinite Innovation, the Future of Industrial Control Systems
Infinite Innovation, the Future of Industrial Control Systems
PRODUCT POSITION:HOMEPRODUCT—FISHER L2
FISHER L2
Technical Parameters Category Parameter Specification / Description General Model L2 Type Ball Float Level Controller Mechanical Float Material Copper (Standard for water), Stainless Steel, or other materials for corrosive liquids. Lever Arm Length Standard lengths available to suit various tank depths. Mounting Typically mounts on the side or top of a tank. Performance Level Control Range Adjustable within the limits of the lever arm length. Differential The difference between pump start and stop levels is adjustable. Electrical (if applicable) Switch Rating For electric models: Common ratings are 1/2 HP to 3 HP at 120/240/480 VAC. Enclosure Weatherproof (NEMA 4) or Explosion-Proof (NEMA 7) enclosures available. Pneumatic (if applicable) Supply Pressure Typically 20-100 psig (1.4-6.9 bar). Pilot Valve Output On/Off air signal to operate a pneumatic pump motor starter or other device. Environment Liquid Specific Gravity Typically designed for S.G. > 0.7. Temperature Limits Standard materials suitable for most water and wastewater temperatures.
DESCRIBE
The Fisher L2 is a mechanical, ball float-operated level controller designed for direct, automatic control of pumps or alarms in liquid storage tanks. It is a simple, robust, and self-contained device that requires no external power for its basic operation.
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