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039 Remote Electronic Oil Level Indicator

Brand: Qualitrol Company

Local reading level gauge and an electronic remote module offers continuous indication of the liquid level for a transformer’s main tank, conservator tank or load tap changer compartment.

Provides a variable resistant output to the remote module for continuous monitoring.

Remote module has offset and separate high and low gain adjustments to allow for exact matching to the local reading level gauge.
Features
  • Up to 2 switches (contacts) for control and alarm functions
  • 0-1 or 4-20 mA continuous remote output for integration into SCADA systems
  • Case sensor assembly (with dial) is designed for use with Qualitrol 032/042 oil level indicator flange styles for easy retrofit applications
  • Provides accurate indication of oil level in transformer tank or components
  • Magnetically coupled level gauge is mounted on operating equipment while the remote indicator can be placed in a safer, more convenient location
  • Easy to read "min-max" style remote indicator dial. Special printed dials are also available
  • Local indicator has switches for alarm triggering or controlling other auxiliary equipment
  • Die cast aluminum casing is finished with a thermosetting powder coat
  • Dial on the local indicator is magnetically coupled to the flange for easy replacement if damaged
  • UV stabilized polycarbonate lens does not yellow with age
  • Remote indicator available with a NEMA 3R enclosure for extra protection from the environment

Specifications

Ambient Humidity

  • Case: 10 to 100 %
  • Remote Indicator: 10 to 100 % with Optional NEMA (Remote Indicator) 3R Enclosure
  • Remote Indicator: 10 to 90 %

Case

  • Die Cast Aluminum, ASA #70 Light Grey Thermosetting Powder Coat Finish

Current (Load)

  • SCADA Output: 0-1 mA (0-10 kiloohms)
  • SCADA Output: 4-20 mA (0-500 ohms)

Dielectric Strength

  • 2,000 Vac for 60 seconds

Electronic Remote Module

  • 6.00” x 9.50” (152.4 mm x 241.3 mm)

Float

  • Cork
  • Nitrophyl
  • Stainless Steel

Lens

  • UV Stabilized Polycarbonate

Local Indication Dial Diameter

  • 5.5” (139.7 mm)

Mounting

  • Flange Mount

Output Cable Length

  • 75 feet (22.9 metres) - Max.

Power

  • 120/240 Vac ± 15 %, 50/60 Hz

Remote Reading Level Gauge Diameter

  • 7.12” (180.9 mm)

Repeatability

  • ± 3 % of Full Scale

Shock Resistance

  • 10 G’s Horizontal Plane

Span Sense Accuracy

  • ± 5 % of Full Scale

Standard Operating Temperature

  • -20° to 72° C (-4° to 162° F)
  • -40° to 72° C (-40° to 162° F) with Optional Heater

Switch Rating

  • 1/2 hp at 240 Vac
  • 1/3 hp at 120 Vac
  • 10 A at 30 Vdc or 120/240 Vac

Switch Type

  • 2 Dry Typical (SPDT) Relays

Vibration Resistance

  • 60 to 120 Hz, 0.004” Displacement
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