Vibronic Point level detection Liquiphant FTL81

Field of Application :

The Liquiphant FTL81 is a FailSafe vibronic point level switch designed for hazardous areas with functional safety up to SIL3. It ensures reliable overfill protection and continuous self-monitoring in critical safety applications.

This device provides accurate measurement values, unaffected by:

• Changing media properties
• Flow & turbulence
• Gas bubbles & foam
• Vibrations & build-up

Applications :

• Overfill protection for tanks in hazardous environments
• FailSafe level detection in critical safety systems
• Use in extreme temperature & pressure conditions
• Applications requiring SIL3 compliance

Technical Specifications :

• Process Temperature Range: -60 to +280°C (-76 to +540°F)
• Process Pressure: -1 to +100 bar (-14.5 to +1,450 psi)
• Sensor Length: Extension pipe up to 3m (9.8 ft)
• Sensor Material: 316L stainless steel, Alloy C
• Process Connections: Threads & Flanges
• Certifications & Compliance:
  • SIL3 functional safety (DIN EN IEC 61508 Ed.2.0 / DIN EN ISO 13849)
  • International explosion protection certificates
  • Overfill protection (WHG)
  • Marine approvals

Benefits & Features :

FailSafe Safety & Compliance

• Designed for SIL3 applications, ensuring highest level of safety.
• Long proof testing intervals (up to 12 years) reduce maintenance efforts.
• Permanent self-monitoring & internal redundancy for uninterrupted operation.

Smart & Digital Operation

• Proof testing at the press of a button – quick & simple verification.
• 4-20mA NAMUR NE06/NE43 interface for easy integration with safety PLCs.
• Compatible with Nivotester FailSafe FTL825, offering two-channel safety outputs & locking function.

Reliable & Maintenance-Free

• No moving parts – no maintenance, no wear, and a long operating life.
• Monitors fork for damage, corrosion, build-up & mechanical blocking, ensuring consistent accuracy.