Delavan Captrol Integral 500 Point Level Measurement

Delavan Captrol Integral 500 Process Instrumentation manufactures products including solid and liquid point level and continuous level measurement. Delavan is a well-established company with a large customer base in a wide range of industries. Technologies include ultrasonic, capacitance, and microwave all of which complement and integrate with the L & J product offering.

Delavan has a proven track record of providing solutions to both bulk solids and liquids handling. Applications include wood chips, bailer, insulation products, coal handling paper/pulp production, petrochemical, and pharmaceuticals.

Read More : Delavan Captrol Integral 500 Point Level Measurement

Delavan’s Captrol 500 is a cost-effective Microcontroller Based R.F. Capacitance On/Off Switch used in powder bulk solid and liquid applications.

“One-Touch” Button Calibration

With the utilization of our Microcontroller and Delavan’s unique Auto-Cal algorithm, calibration is accomplished with a momentary touch of a button. No special tools, complicated procedures, or valuable time is needed.

Principle of Operation

The Captrol 500 Microcontroller Based Point Level Switch consists of solid-state electronics mounted in a cast-aluminum explosion-proof enclosure. The rugged sensing element utilizes a driven guard designed to eliminate the effects of material build-up or coatings that may cause false signals.

Delavan Captrol Integral 500 Point Level Measurement
Delavan Captrol Integral 500 Point Level Measurement

The sensing element’s “active” section is energized with an R.F. (Radio Frequency) signal approximately 2mHz. When the process level changes, a change in capacitance occurs resulting in a change in frequency. This change in frequency is compared to a preset value and after amplification, the signal is used to actuate a relay.

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Delavan Captrol Integral 500 Features

R.F. Capacitance On/Off Switch for powder bulk solids and liquid applications

  • Integral or remote mount electronics
  • On-board microcontroller
  • One-touch button calibration
  • Built-in “self-diagnostics”
  • Built-in driven shield/guard
    designed to eliminate false signals caused by material build-up or coatings
  • Universal power supply
    115, 230 Volts AC or 24 Volts DC
  • Status Indication LED’s
  • Adjustable sensitivity
  • Adjustable time delay
  • Field selectable Fail-safe modes
  • Built-in static suppression
  • Explosion-proof design
  • 3/4″ stainless steel N.P.T. and flange mounting

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Delavan Captrol Integral 500 Specifications

  • Supply Voltage

    • Nominal
    • 115 Volts AC
    • 230 Volts AC
    • 24 Volts AC
  • Absolute Limits

    • 90135 Volts AC
    • 180279 Volts AC
    • 18-28 Volts AC
  • Power: Less than 3 voltamperes 
  • Frequency, AC Power: 5060 Hz
  • Output: Relay-5 amp DPTDT 
  • Ratings:
    • 5 amp @ 115 Volts AC Non-inductive
    • 3 amp @ 230 Volts AC Non-inductive
    • 3 amp @ 26 Volts AC Non-inductive
  • Time Delay: Adjustable: .1 to 30 seconds
  • Fall-Safe Switch Selectable: High Level or Low Level
  • Indicators: Two light-emitting diodes (LED), GREEN – Illuminated when the probe capacitance is greater than the setpoint, RED – Illuminated when the relay is energized
  • Temperature Range:

    • Electronic: 40°F to +160°F (40°C to +71°C)
    • Probes: G.I.M.F.: -40° to 450°F (-40° to +232°C); G.I.M.N.: -40° to 300°F (-40° to +149°C); G.T.: -40° to 450°F (-40° to +232°C)
  • Pressure Rating:
    • G.I.M.F. and G.I.M.N.: Up to 500 psi
    • Teflon probes: Up to 400 psi
  • Housings Cast Aluminum with Fused Polyester Finish:
    • Meet NEMA 4, 5, 7, 9, 12;
    • NEC Class I – Groups C, D
    • NEC Class II – Groups E, F, G
  • Stability: 0.01%
  • Sensitivity:
    • Adjustable
    • 0.5 pF to 10 pF
    • Bulk solids – 10lbs./cu. ft. and greater
    • Liquids – 1.5 Dielectric constant and greater

Download Datasheet: Delavan Integral 500

Reference: ljtechnologies

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