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.
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
- 90-135 Volts AC
- 180-279 Volts AC
- 18-28 Volts AC
- Power: Less than 3 volt-amperes
- Frequency, AC Power: 50-60 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%F
- Sensitivity:
- Adjustable
- 0.5 pF to 10 pF
- Bulk solids – 10lbs./cu. ft. and greater
- Liquids – 1.5 Dielectric constant and greater
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