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Measuring principle
Vibration Liquids
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Characteristic / Application
Coated point level switch for MIN and MAX safety applications up to SIL3,
Dual Sealing/ Second line of defense,
Modular housing concept -
Specialities
Outstanding features:
– permanent LIVE signal monitors function safety
– failsafe design and
– high availability of the measuring values -
Supply / Communication
2-wire 4…20 mA
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Ambient temperature
-50°C…+70°C
(-58°F…+160°F) -
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) -
Main wetted parts
With high corrosion-resistant coating made of enamel, ECTFE and various PFA materials
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Process connection
Flange:
DN25…DN100,
ASME 1″…4″,
JIS 10K…20K -
Sensor length
Extension pipe up to 3 m (9.8 ft)
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Communication
2-wire 4…20 mA
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Certificates / Approvals
ATEX, FM, CSA, CSA C/US, IEC Ex, NEPSI, EAC
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Safety approvals
Overfill protection WHG
Leakage Detection
SIL3 -
Options
AlloyC Material
PWIS free
Pressure tight feed through
Weather protection -
Components
Nivotester FTL825, Transmitter
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.Process connections: Threads and flangesTemperature: -50 to +150°C (-76 to +300°F)Pressure: -1 to +40bar (-14.5 to +580psi)Sensor length: Extension pipe up to 3m (9.8ft)Sensor material: Enamel, ECTFE and various PFA materialsInternational explosion protection certificates, overfill protection WHG, SIL
Benefits
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 13849Proof test: proof testing interval up to 12 years, Slave devices tested at the press of a button Permanent self-monitoring/internal redundancy4-20mA 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 PLCNo adjustment: quick, low-cost startupNo mechanically moving parts: no maintenance, no wear, long operating lifeMonitoring of fork for damage, corrosion, buildup and mechanical blocking