Key Specifications
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Operating temperature range
–50°C to +150°C
(–58°F to +300°F) -
Pressure range / maximum limit
Vacuum to 40 bar
(580 psi) -
Minimum media density
Starting from 0.4 g/cm³
(0.4 SGU)
Applications
The Liquiphant FTL85 is a rugged point level switch engineered for hazardous locations, complying with international certification requirements. Offers FailSafe overfill prevention with SIL3-rated safety performance in a single device. Features superior corrosion-resistant coatings including enamel, ECTFE and various PFA options. Maintains reliable measurements regardless of: changing fluid properties, flow conditions, agitation, gas bubbles, foam, vibrations or buildup.
Liquid level detection switch with SIL3 safety rating.
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Mounting options: Threaded and flanged versions
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Operating temperature: -50 to +150°C (-76 to +300°F)
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Pressure capacity: -1 to +40bar (-14.5 to +580psi)
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Probe length: Extensions available up to 3m (9.8ft)
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Material options: Enamel, ECTFE and multiple PFA variants
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International hazardous area approvals, WHG overfill prevention, SIL certification
Benefits
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Complies with SIL3 safety requirements according to IEC 61508 Ed.2.0/ IEC 61511-1/ISA 84-1 and DIN EN ISO 13849
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Testing: Long proof test intervals up to 12 years, slave device verification via push-button
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Built-in self-diagnostics with redundant systems
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4-20mA output (NAMUR NE 06/NE 43 compatible): Easy connection through switching module (Nivotester FailSafe FTL825) offering dual-channel safety outputs with lock function or direct PLC interface
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Factory-calibrated: Quick installation with low setup expenses
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No mechanical parts: Maintenance-free design with long operational lifespan
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Continuous detection of probe damage, corrosion, deposits and physical blockages
