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Endress+Hauser
Endress+Hauser Waterpilot FMX21 IP68 Level Probe
Quote on request
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FMX21 IP68 hydrostatic: to 200 m H2O; ±0.2%; HART; 22/42/29 mm. RFQ version.
Download datasheet PDF
RFQ cart holds BOM lines only. Submit for engineering quote.
Key parameters
Measuring range
Hydrostatic level; factory/customer measuring ranges typically 200 mbar–2 bar (up to ~20 m H2O class)
Accuracy
Reference accuracy ≤ ±0.35% for sensor measuring range ≥ 400 mbar (IEC 60770)
Output
4–20 mA analog, 2-wire (signal range 2–22 mA)
Supply
8–28 V DC
Protection
IP68 class submersible probe (degree of protection per TI)
Ambient temperature
Per TI ambient/storage tables; medium temperature limits in process chapter
Fits IP68 submersible hydrostatic service where you need an Endress+Hauser Waterpilot FMX21—ceramic cell to ~200 m H₂O, 4–20 mA/HART, and fresh/waste/saltwater probe diameters.
Key advantages
- Protection — IP68 submersible probe
- Range — 100 mbar…20 bar; max ~200 m H₂O
- Accuracy — ±0.2% of set span; optional ±0.1%
- Output — 4…20 mA; 4…20 mA HART
- Diameters — 22 / 42 / 29 mm by medium version
Typical applications
- Permanent submersible well probes.
- Municipal water level.
- Coastal / saltwater intake level.
Selection guide
- Medium version / diameter
- HART
- Cable / venting
- Ex / drinking-water approvals
Common mistakes
- Using wastewater probe materials in drinking-water certified loops without checking approvals.
- Cable damage from unsupported suspension.
- Wrong diameter for solids-laden media.
When to RFQ / what to tell us
- Version/diameter, range, cable.
- Approvals, quantity, ship-to.
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Specs
| Spec | Value |
|---|---|
| SKU | 33976 |
| Brand | Endress+Hauser |
| Model | Waterpilot FMX21 |
| Product type | Hydrostatic Level Transmitter |
| Measuring principle | Hydrostatic pressure; capacitive ceramic cell (FMX21 family) |
| Accuracy | ±0.2% of set span; optional Platinum ±0.1% |
| Pressure range | 100 mbar…20 bar; max ~200 m H2O |
| Output | 4…20 mA; 4…20 mA HART |
| Supply voltage | 10.5…35 V DC (Ex lower max) |
| Probe diameters | 22 mm fresh water; 42 mm wastewater; 29 mm saltwater |
| Protection | IP68 submersible probe |
Documents
FAQ
Q: IP rating? A: IP68 submersible probe.
Q: Max depth class? A: About 200 m H₂O.
Q: What should I send for a quote? A: Version/range/cable, quantity, ship-to.
Links
| Parameter | Value |
|---|---|
| Measuring range | Hydrostatic level; factory/customer measuring ranges typically 200 mbar–2 bar (up to ~20 m H2O class) |
| Accuracy | Reference accuracy ≤ ±0.35% for sensor measuring range ≥ 400 mbar (IEC 60770) |
| Output | 4–20 mA analog, 2-wire (signal range 2–22 mA) |
| Supply | 8–28 V DC |
| Protection | IP68 class submersible probe (degree of protection per TI) |
| Ambient temperature | Per TI ambient/storage tables; medium temperature limits in process chapter |
| Approvals | Drinking water (per TI); PED |
| Mounting | Freely suspended cable probe; suitable for narrow 1 in pipes / groundwater wells |
| Sensor type | Metal measuring cell with filling oil / Wheatstone bridge (relative or absolute) |
| Notes | Catalog SKU title Waterpilot FMX12 has no current endress.com match; OEM mapping to Waterpilot FMX11 (TI01524P) analogous to prior FMX23→FMX21 harvests. product_name retains catalog FMX12; model=Waterpilot FMX11. |
| Cable | Orderable PE extension cables (e.g. 6 m / 10 m) shorten-able; shielded twisted pair recommended |
| Power Consumption | ≤ 0.62 W at 28 V DC |
| Application | Freshwater / groundwater wells, rivers, lakes, storage tanks |