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Endress+Hauser
Endress+Hauser Liquiphant FTL31 Level Switch
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E+H Liquiphant FTL31: vibronic liquid point level; density >0.7; PNP/IO-Link; 316L. RFQ.
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Key parameters
Measuring range
Point level (vibronic); density >0.7 g/cm³ (optional >0.5 g/cm³)
Accuracy
Switch point ~13 mm from tip (vertical from above, water); switching delay standard 0.5 s / 1 s
Output
3-wire DC-PNP (to 200 mA) or 2-wire AC/DC load switch (to 250 mA); MAX/MIN modes; IO-Link option
Supply
DC-PNP 10–30 V DC; AC/DC 20–253 V AC/DC
Process connection
Threaded compact process connections (see TI01147 order codes)
Wetted parts
316L stainless steel sensor; surface roughness 3.2 µm
Fits compact liquid point level where you need an Endress+Hauser Liquiphant FTL31. Vibronic switch for liquids with density above 0.7 g/cm³ (optional >0.5), switch point about 13 mm from tip, 3-wire DC-PNP (10–30 VDC) or 2-wire AC/DC (20–253 V) outputs with IO-Link option, and threaded 316L sensor.
Key advantages
- Principle — Vibronic point level
- Density — >0.7 g/cm³ (optional >0.5)
- Outputs — DC-PNP 10–30 V / AC-DC 20–253 V
- Delay — Standard 0.5 s / 1 s
- Wetted — 316L stainless sensor
Typical applications
- Tank overflow / dry-run.
- Compact point level.
- Machine liquid detection.
Selection guide
- DC-PNP vs AC/DC
- Thread size
- Density option
Common mistakes
- Density too low.
- Wrong supply electronics.
- Buildup on fork.
When to RFQ / what to tell us
- Thread/output.
- Quantity, ship-to.
Request a Quote · Get selection help
Specs
| Spec | Value |
|---|---|
| SKU | 46996 |
| Brand | Endress+Hauser |
| Model | Liquiphant FTL31 |
| Product type | Level Switch |
| Measuring range | Point level (vibronic); density >0.7 g/cm³ (optional >0.5 g/cm³) |
| Accuracy | Switch point ~13 mm from tip (vertical from above, water); switching delay standard 0.5 s / 1 s |
| Output signal | 3-wire DC-PNP (to 200 mA) or 2-wire AC/DC load switch (to 250 mA); MAX/MIN modes; IO-Link option |
| Supply voltage | DC-PNP 10–30 V DC; AC/DC 20–253 V AC/DC |
| Process connection | Threaded compact process connections |
| Wetted materials | 316L stainless steel sensor; surface roughness 3.2 µm |
Documents
FAQ
Q: Supply DC-PNP? A: 10–30 VDC.
Q: Density? A: >0.7 g/cm³ standard.
Q: What should I send for a quote? A: Thread/output, quantity, ship-to.
Links
| Parameter | Value |
|---|---|
| Measuring range | Point level (vibronic); density >0.7 g/cm³ (optional >0.5 g/cm³) |
| Accuracy | Switch point ~13 mm from tip (vertical from above, water); switching delay standard 0.5 s / 1 s |
| Output | 3-wire DC-PNP (to 200 mA) or 2-wire AC/DC load switch (to 250 mA); MAX/MIN modes; IO-Link option |
| Supply | DC-PNP 10–30 V DC; AC/DC 20–253 V AC/DC |
| Process connection | Threaded compact process connections (see TI01147 order codes) |
| Wetted parts | 316L stainless steel sensor; surface roughness 3.2 µm |
| Housing | Stainless steel housing (316L); M12 / valve plug / cable options |
| Protection | IP65/67 (M12); IP65 (valve plug); IP66/68 (cable); IP66/68/69K (M12 metal cover) |
| Media temperature | −40 to +150 °C (−40 to +302 °F) depending on version |
| Ambient temperature | −40 to +70 °C (see derating) |
| Display | LED status indication; external function test with test magnet |
| Communication | IO-Link capability (parameter setting) |
| Approvals | WHG overfill/leakage detection; CE; Not for hazardous areas (use FTL33 for hygiene / other Liquiphant for Ex) |
| Notes | Specs from Endress+Hauser TI01147F/00/EN/05.22-00 and product page. Compact vibronic point level switch for liquids. |
| Process Pressure | Vacuum … 40 bar (−1 to +40 bar / −14.5 to 580 psi) |
| Min Density | >0.7 g/cm³ (optional >0.5 g/cm³) |