Specs at a glance
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Process temperature
–50°C…+150°C
(–58°F…+300°F) -
Process pressure / max. overpressure limit
Vacuum…40 bar
(580 psi) -
Min. density of medium
Density from 0.4 g/cm3
(0.4 SGU)
Field of application
Liquiphant FTL85 is a coated point level switch for use in hazardous areas with all international certificates. FailSafe overfill protection in applications with functional safety up to SIL3 with one device. With high corrosion-resistant coating made of enamel, ECTFE and various PFA materials. Reliable measurement values, not affected by: changing media properties, flow, turbulences, gas bubbles, foam, vibrations or build-up.
Point level switch for liquids up to SIL3.
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Process connections: Threads and flanges
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Temperature: -50 to +150°C (-76 to +300°F)
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Pressure: -1 to +40bar (-14.5 to +580psi)
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Sensor length: Extension pipe up to 3m (9.8ft)
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Sensor material: Enamel, ECTFE and various PFA materials
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International explosion protection certificates, overfill protection WHG, SIL
Benefits
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Use in safety systems requiring functional safety to SIL3 in accordance with IEC 61508 Ed.2.0/ IEC 61511-1/ISA 84-1 and DIN EN ISO 13849
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Proof test: proof testing interval up to 12 years, Slave devices tested at the press of a button
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Permanent self-monitoring/internal redundancy
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4-20mA interface (acc. to NAMUR NE 06/NE 43): easy integration via the switching unit (Nivotester FailSafe FTL825) with a two-channel output (safety contacts) and locking function or direct integration into a safety PLC
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No adjustment: quick, low-cost startup
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No mechanically moving parts: no maintenance, no wear, long operating life
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Monitoring of fork for damage, corrosion, buildup and mechanical blocking