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Model 104 Capacitance Level Switch

Brand: Delta Controls Corporation

Capacitance Level Switch, Integral Mount, SPDT, Bare Probe Included. 

The Delta Controls Model 104 probe type control switches when a conductive material touches the tip of the sensing probe. 

More of the sensing probe must be covered when the material is insulating and has a lower dielectric constant. 

The Model 104 will sense most materials such as corn, lime, dolomite, coal, water, acid, sodium hydroxide, and coffee.
Features
  • Works on liquids, slurries, and some solids
  • Electronics Integrally mounted on a solid rod or flexible cable sensing probe
  • Probe length is field adjustable
  • 10 Amp SPDT heavy duty output relay
  • High-Low fail-safe relay action selector
  • Has an extended insulator, no cavity to plug up
  • Up to 220°F (105°C) process temperatures
  • Vibration resistant, no glass or epoxy seals to fracture and leak
  • Up to 1,500 psiG (100 bar) process pressure
  • Secondary fire and over pressure stop provides a metal-to-metal seal against catastrophic failure leaks
  • PTFE rod seal is reliable (unlike epoxy or glass)
  • High reliability; 100 hour operational test
  • Quality assured; 100% tested and inspected
  • Special circuitry rejects electrical noise
  • Integrating 1 second time delay standard
  • Economical to acquire, install and own

Specifications

Accuracy

  • Better than 0.50 % of Full Scale

Action

  • Direct / Reverse, with Fail-safe Selector Plug

Housings

  • Integral 4X or X/P, Aluminum, Stainless Steel, or PVC

Output

  • SPDT Relay Contacts, 10 A @ 250 Vac

Process Temperature

  • -20° to +220° F (-30° to 105° C)

Relay Condition

  • Indicated by Bright LED

Repeatability

  • Better than 0.10 % of Full Scale

Supply Power Needed

  • 10 VA @ 120 Vac, 240 Vac or 24 Vdc

Temperature Effect

  • 0.50 % of Full Scale per 50° F (28° C) Ambient Change in Temperature

Time Delay

  • Integrating Typical, 1 second Delay

Wetted Materials

  • 316 Stainless Steel Body & Rod, PTFE or Delrin Seals

  • High Level Alarm in Liquid Storage Tanks
  • Cement Hopper High and Low Level Alarms
  • Beer and Beverage Vat Level Alarms
  • Raw and Sliced Potato Bin Levels
  • Pumping Gallery Flood Alarm
  • Aquaculture Water and Nutrient Systems
  • Subsea Oil Production Modules

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