Qualitrol 149-400 Gas Density Monitor with Remote Output

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 and standard 5 year warranty.


In Stock



  • 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


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