Capacitance
Level measurement
Liquicap FMI51

For continuous level and interface measurement in liquids

• Measuring principle

  Capacitive

• Characteristic / Application

  Fully insulated rod probe, for standart- and extreme process conditions (temperature, pressure, build-up)

• Interface measurement

  Interfaces liquid / liquid also with emulsion layers

• Specialities

  Inactive length
  Factory calibrated
  short response time by change of value

• Supply / Communication

  12-36V DC HART
  PFM

• Accuracy

  Repeatablity 0,1%

• Linearity error for conductive liquids

  <0.5%

• Ambient temperature

  -50°C...+70°C
  -58°F...+158°F

• Process temperature

  -80°C...200°C
  -112°F...392°F

• Process pressure / max. overpressure limit

  Vacuum ... 100 bar
  (Vaccum ... 1450 psi)

• Main wetted parts

  Insulation material: PTFE,PFA
  316L

• Process connection

  G1/2, G 3/4, G 1, G1 1/2 /NPT 1/2, NPT 3/4, NPT 1", NPT1 1/2
  Flanges from DN25.../ASME 1".../JIS...

• Process connection hygienic

  Tri-Clamp ISO02852 gap free plated
  Dairy coupling
  Flush-mounted seal

• Sensor length

  Total length: 6m (20ft)
  Inactive length: max. 2m (7ft)

• Max. measurement distance

  0.1 m ... 4.0 m
  (0.3 ft ... 13 ft)

• Communication

  4...20mA HART
  PFM

• Certificates / Approvals

  ATEX, FM, CSA, IEC Ex, TIIS, INMETRO, NEPSI, EAC

• Safety approvals

  SIL

• Design approvals

  EN 10204-3.1
  NACE MR0175

• Hygienic approvals

  3A, EHEDG

• Marine approval

  GL/ ABS/ DNV

• Options

  Separate housing
  gas-tight probe seal

• Application limits

  Insufficient clearance towards ceiling
  Changing, non-conductive
  media, conductivity
  < 100 μS/cm
  Notice the pressure and temperature derating