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Liquid Level Measurement

8250 ProcessPro® Level Transmitter


8250 Data Sheet
8250-2 Manual
8250-3 Manual

Signet 8250 Level Transmitters are compatible with the Signet 2450 Pressure Sensors. The instrument is available in field and panel mount configurations, single or dual-channel input and equipped with one 4 to 20 mA output for each input channel. The unit also features two relays, plus the ability to support two additional externally mounted relays (for a total of four). Relay operations is selectable for High, Low, Window or Off, and includes fully adjustable hysteresis and trigger time delay. Automatic level-to-volume conversion allows display and control of tank level and/or volume in units such as gallons, kilograms, feet or meters. Simple entry of tank dimensions will allow the instrument to calculate volume from the level measurement.


  • Compatible with Signet 2450 Pressure Sensors
  • Single or Dual Channel Input
  • 4 to 20 mA Outputs Fully-Scaleable, Reversible and Assignable to Either or Both Channels (8250-3X versions)
  • Advanced Relay Control
  • Output Simulation
  • Manual (up to 10 pts.) and Automatic Level-to-Volume Conversion
  • Display Level, Volume or Both
  • Units for Level: ft., in., m, cm, %
  • Units for Volume: gal., in3, lbs., l, m3, kg, %
  • Specific Gravity Entry for Use with Pressure Sensors and Mass Unit Conversion
  • User-selectable Averaging for Display and Output


  • Continuous level and/or volume monitoring
  • Local or remote display (up to 400 ft.)
  • Fill start/stop control
  • Pump protection
  • Inventory management
  • Storage tank monitoring
  • Pump station control
  • Waste sumps
  • Clarifiers
  • Plating lines
  • Neutralization tanks
  • Overflow protection
  • Leak detection

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Updated on April 3rd 2019

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