Endress+Hauser Waterpilot FMX21 Hydrostatic Level Transmitter

• Robust overload-resistant high purity ceramic sensor (99.9% Al₂O₃)
• Flexible scaling of 4 to 20mA with superimposed HART 6.0 output
• Highest level accuracy using temperature compensated density correction
• Simultaneous measurement of level and temperature with optionally integrated Pt100 temperature sensor
• Extensive range of accessories provides complete measuring point solutions
• Climate proofed sensor thanks to completely potted electronics and 2-filter pressure compensation system
• Small outer diameter of 22mm (0.87″) version suitable for drinking water applications and for use in bore holes and wells with small diameters

Three different versions for drinking water, wastewater and sewage, saltwater.

• Process connections: Suspension clamp, cable gland
• Temperature: –10 to +70°C (14 to 158°F)
• Measuring range: 0 to 20bar / 200m H₂0 (0 to 300psi / 600ft H₂O)
• Accuracy: ±0.2%, “Platinum” ±0.1%
• International explosion protection certificates, marine approvals, drinking water approval

• Measuring principle

  Hydrostatic

• Characteristic

  Compact probe with ceramic cell for hydrostatic level measurement,
  Diameter = 22 mm: General applications, freshwater
  Diameter = 42 mm: Wastewater applications
  Diameter = 29 mm: Saltwater applications

• Supply voltage

  10.5 …35V DC

• Reference Accuracy

  0.2%
  0.1% (optional)

• Long term stability

  0.1% of URL/year

• Process temperature

  -10°C…70°C
  (14°F…158°F)
  Diameter 29 mm (1.14″): 0°C…50°C
  (32°F…122°F)

• Ambient temperature

  -10°C…70°C
  (14°F…158°F)
  Diameter 29 mm (1.14″): 
  0°C…50°C
  (32°F…122°F)

• Measuring cell

  100mbar…20bar 
  (1.5psi…300psi)

• Process connection

  Suspension clamp
  Cable mounting screws

• Communication

  4…20 mA
  4…20 mA HART

• Certificates / Approvals

  ATEX, FM, CSA, CSA C/US, IEC Ex, INMETRO, NEPSI

• Marine approvals

  GL/ ABS/ BV/ DNV

• Drinking water approvals

  NSF/ KTW/ ACS

Datasheet: Waterpilot FMX21 Datasheet