Waterpilot FMX21 Hydrostatic level measurement Compact device for level measurement in fresh water, wastewater and saltwater, communication via HART Application: The Waterpilot FMX21 is a pressure sensor for hydrostatic level measurement. Endress+Hauser offers three different versions of the FMX21 sensor:
  • FMX21 with a stainless steel housing, outer diameter of 22 mm (0.87 in): Standard version suitable for drinking water applications and for use in bore holes and wells with small diameters.
  • FMX21 with a stainless steel housing, outer diameter of 42 mm (1.65 in): Heavy duty version, easy clean flush-mounted process diaphragm. Ideally suited for wastewater and sewage treatment plants.
  • FMX21 with a plastic insulation, outer diameter of 29 mm (1.14 in): Corrosion resistant version generally for use in saltwater, particularly for ship ballast water tanks.
Your benefits:
  • High resistance to overload and aggressive media
  • High-precision, robust ceramic measuring cell with long-term stability
  • Climate proofed sensor thanks to completely potted electronics and 2-filter pressure compensation system
  • 4 to 20 mA with superimposed HART 6.0 output signal
  • Simultaneous measurement of level and temperature with optionally integrated Pt100 temperature sensor
  • Accuracy:
              – Reference accuracy ±0.2 % – PLATINUM version ±0.1 %
  • Automatic density compensation to increase accuracy
  • Usage in drinking water: KTW, NSF, ACS
  • Approvals: ATEX, FM, CSA
  • Marine certificate: GL, ABS, LR, BV, DNV
  • Extensive range of accessories provides complete measuring point solutions