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Liquiphant FTL31

Point level switch for liquids with a compact design and stainless steel housing

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Endress+Hauser
SKU: FTL31

Highlights

  • Vibronic point level switch
  • A point level switch for liquids and is used in tanks, vessels and pipes
  • Output: 3-wire DC-PNP & 2-wire AC/DC
  • IO-Link connectivity
  • Overfill prevention and leakage detection WHG, marine approvals, final inspection report
  • Not suitable for hazardous areas

Fields of application

  • Overfill prevention and leakage detection WHG
  • Pump protection
  • Marine approvals

Details

The Liquiphant FTL31 is a point level switch for liquids from Endress+Hauser. The FTL31 is designed for industrial applications in all industries, mainly the machinery industry. The Liquiphant is used for overfill prevention or pump dry-run protection in cleaning and filter systems as well as in cooling and lubrication vessels.

General Information
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Measuring principleVibration
Medium typeLiquids
Maximum measurement intervalapprox. 1100 Hz in air
Minimum density of medium> 0.7 g/cm³ (optionally available: > 0.5 g/cm³)
Maximum allowable pressure40 bar
Process temperature range-40 to 150 °C (-40 to 302 °F)
Process pressure rangeVacuum to 40 bar (vacuum to 580 psi)
Input/Output
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Communication protocolDC-PNP
Transmitter output type3-wire DC-PNP / 2-wire AC/DC
Mechanical Data
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Installation typeVessel, Tank, Shaft
Installation positionOn top,from bottom, laterally
Process connectionG½, G3/4, G1, MNPT½, MNPT3/4, MNPT1, R½, R3/4, R1 (Threaded)
Wetted material316L
Housing material316L (1.4404/1.4435) PPSU
Degree of protectionIP65/IP67 NEMA 4X
IP65 NEMA 4X
IP66/IP68 NEMA 4X
Electrical Data
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Power supply20 to 253V AC/DC, 2-wire
10 to 30V DC-PNP, 3-wire
Current consumptionDC PNP: < 15 mA
AC/DC: < 3.8 mA
Cable entryM12 plug
Valve plug
Cable
Switch on Delay0.5 s when tuning fork is covered
1.0 s when tuning fork is uncovered
Certification/Approvals
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Hazardous approvalsCSA C/US
Other Approvals/ CertificationEAC, ABS/ LR/ BV/ DNV
Additional Information
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Ambient temperature range25 °C (77 °F)
Storage temperature-40 to 85 °C (-40 to 185 °F)
Shock resistancea = 300 m/s² = 30 g, 3 planes x 2 directions x 3 shocks x 18 ms, as per test Ea, prEN 60068-2-27:2007
Vibration resistancea(RMS) = 50 m/s², ASD = 1.25 (m/s²)²/Hz, f = 5 to 2000 Hz, t = 3 x 2 h, as per test Fh, EN 60068-2-64:2008
Short-circuit protectionYes
Reverse polarity protectionYes
Overvoltage protectionYes
Electromagnetic compatibility (EMC)EN 61326
Our expert

Luis Arcos will help you to find the right product: +49 (0)30 509 308 800

Contact Expert
  • 30 days return policy
  • Official reseller
  • Expert engineering support
  • Free delivery in the EU
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from €156.57 plus VAT
Production Time: 6 working days
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  • 30 days return policy
  • Official reseller
  • Expert engineering support
  • Free delivery in the EU
Product Details