- Captrol 510 - R.F. Capacitance Adjustable Dual-Point Switch

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Delavan - Captrol 510 - R.F. Capacitance Adjustable Dual-Point Switch

Delavan's Captrol 510 is an Adjustable On/Off R.F. Capacitance Switch with up to 2 independently adjustable non-interacting set points. It may be used in powder bulk solids and liquid applications.

Principle of Operation
The Captrol 510 system consists of a solid state 'fail-safe' electronics mounted in an explosion proof enclosure and a sensing probe. The probe is energized with a R.F. signal (approx. 2 MHZ). When the process level changes, a change of capacitance occurs resulting in a change in frequency. This change is compared with preset values and after amplification, is used to actuate up to 2 relays. Multi-turn potentiometers are used for set-point and dif­ferential calibration. An important feature of the Captrol 510 is the set-point and differential adjustments are non-interacting and are independent of each other.

Pump Control
Delavan's two set-point operation off of one relay allows our Captrol 510 to be used as pump control. One set-point turns off a pump and the second set-point (which is adjustable over the entire length of the sensing probe) is used to turn a pump on. Both function with only one relay.

Features

Adjustable On/Off R.F. Capacitance Switch with up to 2 independently adjustable non-interacting set points. For powder bulk solids and liquid applications.

  • Universal power supply Accepts 115, 230 Volts AC, or 24 Volts DC
  • Built-in 'coating rejection' designed to eliminate false signals caused by material build-up/coating
  • Field selectable fail-safe modes
  • Adjustable time delay
Shand & Jurs (L&J Technologies & L&J Engineering)
Shand & Jurs (L&J Technologies & L&J Engineering)
5911 Butterfield Rd.
Hillside ,  IL 60162-1457

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