Liquiphant FTL31 – Compact Vibronic Level Switch
The Endress+Hauser Liquiphant FTL31 is an entry-level vibronic level switch for reliable point level detection in liquids. Its vibrating fork principle ensures reliable switching regardless of liquid properties.
Key Features
- Measuring principle: Vibrating fork (vibronic)
- Process temperature: −40 to +100 °C
- Process pressure: up to 16 bar
- Density range: ≥0.7 g/cm³
- Process connection: G1½”, NPT 1½”
- Materials: 316L stainless steel
- Output: relay
- Compact, all-in-one design
- Protection: IP66/IP67
- Simple installation – no calibration required
Applications
Storage tanks, buffer tanks, pump protection (dry-run protection), overflow prevention, water treatment, general industrial liquid level switching.
Technical Specifications
| Parameter | Value |
|---|---|
| Process temperature | −40 to +100 °C |
| Max. process pressure | 16 bar |
| Minimum density | ≥0.7 g/cm³ |
| Output | Relay |
| Process connection | G1½”, NPT 1½” |
| Protection class | IP66/IP67 |




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