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149-400 Gas Density Monitor with Remote Output

Brand: Qualitrol Company

Provides local mechanical indication of levels of SF6 gas as well as 4-20 mA Analog remote output.

Unit automatically compensates for gas pressure changes due to ambient temperature.

Offers alarm and limit control with up to three factory set relays.
Features
  • Large dial face with many standard and custom displays for clear visual indication of the SF6 gas density
  • Temperature compensated indication provides most accurate monitoring of gas levels within the tank
  • Measurement accuracy of ±2% of full scale
  • Visual indication of SF6 levels may be seen on the manual dial face of the instrument
  • 4-20 mA Analog output for integration into a SCADA system
  • 3 Form A relays may be triggered when the density level drops below a pre-defined value
  • Stainless steel and brass external parts offer protection against harsh environmental conditions
  • Vented case with UV stabilized polycarbonate lens is moisture intrusion resistant

Specifications

Accuracy

  • Alarm: 1 % of, Max.
  • Indication: ± 1 % of, Max.
  • Indication: 2 % of, Max.

Alarm Relay

  • 3 Independent SPDT Relays with User Configurable Set Points, Hysteresis, Fail-safe/Non-failsafe Operation, Time Delays

Configuration

  • Local: USB Typical B Connector, Qualitrol ITM Manager Software

Contact Rating

  • 110 Vdc, 0.3 A, 33 W
  • 125 Vac, 0.5 A, 62.5 W
  • 220 Vdc, 0.27 A, 60 W
  • 250 Vac, 0.25 A, 62.5 W
  • 30 Vdc, 2 A, 60 W, NO Only

Dielectric Isolation

  • High-Pot: 1,500 Vac, 60 seconds to Ground

Emission

  • Conducted / Radiated: EN 55022 / FCC Part 15

Enclosure

  • IP65

Humidity

  • 90 % Non-Condensing

Immunity

  • Conducted / Radiated: EN 61000-4-2,3,4,5,6,8

Mounting

  • Shock Mount

Operating Temperature

  • -40° to 70° C (-40° to 158° F)

Power Supply

  • 24 Vdc, ± 2 Vdc

Remote Output

  • 4-20 mA DC, Max.

Shock

  • 10 G's Half-Sine, in 3 Orthogonal Planes

Storage Temperature

  • -50° to 80° C (-58° to 176° F)

Vibration

  • 50/60 Hz at 0.004” Displacement
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