Specs at a glance
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Accuracy
0.2%
0.1% (optional) -
Process temperature
-10°C…70°C
(14°F…158°F)
Diameter 29 mm (1.14″): 0°C…50°C
(32°F…122°F) -
Pressure measuring range
100 mbar…20 bar
(1.5 psi…300 psi) -
Main wetted parts
Diameter 22 mm and 42 mm: Seal, 316L, Ceramic
Diameter 29 mm: Seal, PPS, Polyolefin, Ceramic
Extension cable: PE, PUR, FEP -
Max. measurement distance
200 m H2O
(656 ft H2O) -
Measuring cell
100mbar…20bar
(1.5psi…300psi)
Field of application
Waterpilot FMX21 is a robust hydrostatic level probe featuring an oil‑free capacitive ceramic measuring cell for stable and accurate measurement results. Freely adjustable measuring ranges can be configured via HART, enabling flexible adaptation to different process requirements in drinking water, wastewater and saltwater applications. An optionally integrated temperature sensor enables simultaneous measurement of level and temperature.
Available in three versions for drinking water, wastewater and saltwater applications, Waterpilot FMX21 is supported by international explosion protection certificates, marine and drinking water approvals. It is suitable for use in a wide range of applications, including:
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Deep and narrow drinking water wells and boreholes
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Process and storage tanks in water and wastewater applications
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Saltwater and marine tanks, e.g. ballast water tanks
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Rivers, lakes and reservoirs for environmental monitoring
Benefits
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Robust design with an oil-free capacitive ceramic measuring cell for long‑term operation
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Easy system integration and flexible parameterization via HART communication
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Geometry‑independent hydrostatic level measurement, ideal for deep, narrow boreholes and wells
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Compliance with international explosion protection certificates, marine approvals and drinking water certifications
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Optionally integrated temperature sensor enables temperature‑compensated density correction for high measurement accuracy
