Model 121 Indicator

121 Flow Rate Indicator


  • 8 digit rate display with Hi/Lo alarms
  • 8 digit totalizer
  • Isolated 0-20mA or 4-20mA output programmable to flow rate, total, temperature, or density
  • 16 point linearization for improved accuracy
  • Two stage batching set points with solid state relays and programmable auto restart
  • Mass conversion via external temperature or density input
  • Accepts a frequency, voltage, or current input signal
  • RS-232 serial port with Windows programming interface
  • Programmable display of any engineering units
  • Security password(s) for operator and supervisor level control
  • 110 Vac powered
  • Accessory power – user selectable 5, 12 or 24Vdc
  • Front panel sealed to NEMA 4 rating
  • UL rated and CE approved