Thermal Switches


 

Operating Principle

 

 

 

A small immersed area is heated to a temperature above the flowing medium which in turn is cooled by the flowing medium. The temperature differential across two sensing elements is proportional to the mass flow of the fluid.

         

Thermal Type

Applications:
Liquids, pastes, semi-solids, corrosive media.
  • Fluid: Liquid
  • Size: 1 to 40+ inches
  • Range: 0 to 10 ft/sec
  • Hysteresis: Less than 5%
  • Pressure: Max 435 psi
  • Temperature: 14 to 176 °F
  • Supply Power: 24 VDC; 24, 110 or 220 VAC
  • Output: NPN Transistor
  • Materials: Housing: Stainless steel
  • Sensor Head: Ceramic
  • Connection: 1¼" union nut
  • Approvals: NEMA 4X, IP65
 
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