Liquiphant FTL63

Summary

Product identification

• Product: Liquiphant FTL63
• Type: Vibronic point level switch

Application

• Point level detection for all pumpable liquids, for minimum or maximum detection.
• Suitable for process tanks, storage tanks, and piping.
• Available in versions suitable for hazardous areas.
• Functions include leakage monitoring, pump dry-running protection, and overfill prevention.
• Not affected by flow, turbulence, air bubbles, foam, vibration, solids content, or buildup.

Operating limits

• Process temperature range: –50 to +150 °C (–58 to +302 °F)
• Process pressure range: up to 64 bar (928 psi)
• Viscosity: up to 10,000 mPa⋅s

Performance characteristics

• Maximum measured error: ± 1 mm at switch point (under reference operating conditions)
• Hysteresis: Typically 2.5 mm
• Non-repeatability: 0.5 mm
• Switch point movement due to process temperature: +1.4 to –2.6 mm over –50 to +150 °C range
• Switch point movement due to process pressure: 0 to 2.6 mm over –1 to +64 bar range

Electronic Inserts

The FTL63 is available with various electronic inserts, each with different electrical characteristics and supply voltage requirements:

• 2-wire AC (FEL61):
  • Supply voltage: 19 to 253 VAC, 50 Hz/60 Hz
  • Power consumption: ≤ 2 VA
  • Current consumption (residual when blocked): ≤ 3.8 mA
  • Connectable load: Minimum 0.5 VA at 24 V (20 mA) to Maximum 89 VA at 253 V (350 mA)
• 3-wire DC-PNP (FEL62):
  • Supply voltage: 10 to 55 VDC (CLASS 2 or SELV required)
  • Power consumption: ≤ 0.5 W
  • Current consumption (without load): ≤ 10 mA
  • Load current: ≤ 350 mA (with overload and short-circuit protection)
• Universal current connection, relay output (FEL64):
  • Supply voltage: 19 to 253 VAC, 50 Hz/60 Hz or 19 to 55 VDC
  • Power consumption: < 25 VA, < 1.3 W
  • Connectable load (relay contacts): ≤ 6 A at 253 VAC (1500 VA, cos φ = 1); ≤ 6 A at 30 VDC
• DC connection, relay output (FEL64DC):
  • Supply voltage: 9 to 20 VDC (CLASS 2 or SELV required)
  • Power consumption: < 1.0 W
  • Connectable load (relay contacts): ≤ 6 A at 253 VAC (1500 VA, cos φ = 1); ≤ 6 A at 30 VDC
• PFM output (FEL67):
  • Supply voltage: 9.5 to 12.5 VDC (CLASS 2 or SELV required)
  • Power consumption: ≤ 150 mW
• 2-wire NAMUR > 2.2 mA/< 1.0 mA (FEL68):
  • Supply voltage: 8.2 VDC ±20% (CLASS 2 or SELV required)
  • Power consumption: < 6 mW to < 38 mW

Output signal characteristics

• Switch output delay: Factory setting is 0.5 s when covered and 1.0 s when uncovered. Other options available (0.25 s, 1.5 s, 5.0 s).
• COM interface: For connecting optional modules VU120 or VU121.
• Bluetooth® wireless technology (optional): Allows data readout via the "SmartBlue" app. Device settings cannot be changed via Bluetooth.

Mechanical construction

• Maximum sensor length: 3 m (10 ft)

Environment

• Ambient temperature range: –40 to +70 °C (–40 to +158 °F). Optional extended ranges down to –60 °C (–76 °F) with restricted operating life and performance.
• Storage temperature: Not specified in extract.
• Humidity: 5 to 80% rF ±5% (under reference operating conditions).
• Degree of protection: Not specified in extract.
• Vibration resistance: Not specified in extract.
• Shock resistance: Not specified in extract.

Certificates and approvals

• Includes CE mark, RCM marking, and Ex approvals.
• Material compliance for contact with food (EC1935/2004, FDA, GB 4806, cGMP).
• Hygienic design certifications (3-A, EHEDG, ASME BPE).

Optional accessories

• LED module VU120
• Bluetooth module VU121

Disclaimer This summary is extracted from a datasheet and may miss figures, footnotes, or revisions. Contractual data must match the OEM PDF revision used on the project.

Official datasheet (PDF)

Lenntech datasheet mirror