Endress+Hauser

Endress+Hauser Waterpilot FMX21 Wastewater Probe

SKU · 33981 · Waterpilot FMX21 · Brand: Endress+Hauser
Available
Quote on request
No online payment · add lines to RFQ BOM

FMX21 wastewater hydrostatic: 42 mm class; ceramic cell; 4–20 mA HART. RFQ cable.

Download datasheet PDF

RFQ cart holds BOM lines only. Submit for engineering quote.

Key parameters

Accuracy
Reference ±0.2%; PLATINUM ±0.1%
Approvals
Drinking water KTW/NSF/ACS; ATEX/FM/CSA; marine GL/ABS/BV/DNV
Type
Hydrostatic level probe with oil-free ceramic measuring cell (Waterpilot FMX21)
Oem Note
Pipeline label FMX16 — no public FMX16 product page; OEM current Waterpilot hydrostatic probe is FMX21 (predecessors FMX160/FMX167 discontinued)
Pressure Range
100 mbar…20 bar (1.5…300 psi); max distance ~200 m H2O
Process Temperature
−10…+70 °C (29 mm saltwater version 0…+50 °C)
Download datasheet PDF

Fits wastewater and sludge-tolerant hydrostatic level where you need Endress+Hauser Waterpilot FMX21—typically 42 mm diameter class ceramic probe with 4–20 mA HART.

Key advantages

  • Duty — Wastewater hydrostatic probing
  • Diameter class — 42 mm wastewater versions
  • Accuracy — ±0.2% / ±0.1% Platinum
  • Range — To 20 bar / ~200 m H₂O
  • Output — 4–20 mA HART 6.0

Typical applications

  • Wet-well level.
  • Lift-station sumps.
  • Municipal wastewater tanks.

Selection guide

  • 42 mm wastewater kit
  • Cable armor / strain relief
  • Ex if classified
  • Span vs well depth

Common mistakes

  • Forcing a 22 mm freshwater probe into solids-laden wastewater.
  • Unsupported cable abrasion.
  • Ignoring coating/build-up on the ceramic face.

When to RFQ / what to tell us

  1. Wastewater version, cable, Ex.
  2. Quantity, ship-to.

Request a Quote · Get selection help

Specs

SpecValue
SKU33981
BrandEndress+Hauser
ModelWaterpilot FMX21
Product typeHydrostatic Level Transmitter
TypeHydrostatic level probe with oil-free ceramic measuring cell (Waterpilot FMX21)
AccuracyReference ±0.2%; PLATINUM ±0.1%
Pressure range100 mbar…20 bar (1.5…300 psi); max distance ~200 m H2O
Process temperature−10…+70 °C (29 mm saltwater version 0…+50 °C)
Output4–20 mA with HART 6.0; optional integrated Pt100 temperature
Versions22 mm drinking water; 42 mm wastewater; 29 mm saltwater/marine
Wetted parts316L / ceramic / seals; plastic insulation on saltwater version; PE/PUR/FEP cable
ApprovalsDrinking water KTW/NSF/ACS; ATEX/FM/CSA; marine GL/ABS/BV/DNV

Documents

FAQ

Q: Wastewater diameter? A: 42 mm class for wastewater FMX21 versions.

Q: Cell type? A: Oil-free ceramic measuring cell.

Q: What should I send for a quote? A: Version/cable/Ex, quantity, ship-to.

Links

ParameterValue
AccuracyReference ±0.2%; PLATINUM ±0.1%
ApprovalsDrinking water KTW/NSF/ACS; ATEX/FM/CSA; marine GL/ABS/BV/DNV
TypeHydrostatic level probe with oil-free ceramic measuring cell (Waterpilot FMX21)
Oem NotePipeline label FMX16 — no public FMX16 product page; OEM current Waterpilot hydrostatic probe is FMX21 (predecessors FMX160/FMX167 discontinued)
Pressure Range100 mbar…20 bar (1.5…300 psi); max distance ~200 m H2O
Process Temperature−10…+70 °C (29 mm saltwater version 0…+50 °C)
Versions22 mm drinking water; 42 mm wastewater; 29 mm saltwater/marine
Wetted Parts316L / ceramic / seals; plastic insulation on saltwater version; PE/PUR/FEP cable
ApplicationWells/boreholes, tanks, wastewater, ballast water, environmental monitoring
DocumentTI00431PEN Technical Information + BA00380PEN Operating Instructions
DesignPotted electronics; 2-filter pressure compensation; overload-resistant ceramic