Specs at a glance
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Process temperature
-50 °C...+150 °C
(-58 °F...+302 °F) -
Process pressure absolute / max. overpressure limit
Vacuum...40 bar
Vacuum...580 psi -
Min. density of medium
0.5 g/cm³
(0.4 g/cm³ optional)
Field of application
Liquiphant FTL62 has a strong focus on specific applications with aggressive liquids and simplicity with easy proof testing, reliability and safety (SIL) with compliance to IEC 61508, API 2350 and WHG. The vibronic device is determined for a safe and active measuring technology in aggressive liquids and want a reliable and proven point level detection for tank overfill prevention and pump dry run protection. The FTL62 is easy to use, has a digital connection and gives a real-time data at hand.
Point level switch with extension tube for pumpable liquids
Coated sensor for aggressive media: ECTFE (Halar), PFA (EdlonTM, Ruby Red, conductive), Enamel
Process temperature: -60 °C to +150°C
Process pressure: -1 to +40bar
Ambient temperature: -60 to +70°C
Viscosity up to 10,000mm2/s (cSt)
Process connections: Threads, flanges and hygienic process connection (Tri-Clamp)
International explosion protection certificates, overfill prevention WHG, SIL, marine approvals
Benefits
Universal measuring principle for limit detection – proven vibronic technology
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Developed according IEC 61508 for highest safety – SIL2/3 applications (3rd party approved)
Periodic proof testing is quickly and simple organized with guided wizards via the SmartBlue-App or via a test button or magnetic pin from outside. Via digital communication you can initiate the device for a fast and easy testing of the safety loop.
Heartbeat Technology allows safe, continuous diagnostics and a simple verification, without process interruption
Centralized asset management with easy online access to all device information thanks to digital communication
Second line of defense to protect the environment
Videos
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Preventive maintenance is possible with corrosion detection via Heartbeat Technology
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Liquiphant with permanent function check is the safe choice for point level detection in liquids
Extended selection
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High-end products
- Highly functional and convenient
Technical excellence
Simplicity

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Standard products
- Reliable, robust and low-maintenance
Technical excellence
Simplicity
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Specialized products
- Designed for demanding applications
Technical excellence
Simplicity
Variable
FLEX selections | Technical excellence | Simplicity |
---|---|---|
Fundamental selection Meet your basic measurement needs |
Technical excellence
|
Simplicity
|
Lean selection Handle your core processes easily |
Technical excellence
|
Simplicity
|
Extended selection Optimize your processes with innovative technologies |
Technical excellence
|
Simplicity
|
Xpert selection Master your most challenging applications |
Technical excellence
|
Simplicity
Variable |
Predecessor
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Measuring principle
Vibration Liquids
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Characteristic / Application
Compact vibronic device with highly corrosion-resistant coating for aggressive media,
Optional extension tube up to 3 m (9.8ft),
Modular housing concept -
Specialities
Heartbeat Technology,
Bluetooth® Operation and maintenance SmartBlue App,
LED Module,
RFID TAG for easy identification,
Second line of defense
Temperature spacer for high process temperature,
Plug and play functionalities -
Supply / Communication
19...253V AC / 2-wire,
10...55V / DC-PNP 3-wire,
9...20V DC with relay DPDT,
19...253V AC or 19...55V DC with relay DPDT,
2-wire NAMUR,
2-wire PFM -
Ambient temperature
-60 °C...+70 °C
(-76 °F...+158 °F) -
Process temperature
-50 °C...+150 °C
(-58 °F...+302 °F) -
Process pressure absolute / max. overpressure limit
Vacuum...40 bar
Vacuum...580 psi -
Min. density of medium
0.5 g/cm³
(0.4 g/cm³ optional) -
Main wetted parts
ECTFE,
PFA (Edlon, RubyRed or conductive)
316L
Enamel -
Process connection
Flanges:
DN25...DN100
ASME 1"...4"
JIS 50A -
Sensor length
Up to 3 m (9.8 ft)
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Communication
2-wire direct load
DC-PNP 3-wire
Relays
NAMUR
PFM
Bluetooth® wireless technology -
Certificates / Approvals
ATEX, IEC Ex, NEPSI, EAC Ex
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Safety approvals
Overfill protection WHG
SIL2/ SIL 3 according to IEC 61508 -
Design approvals
EN 10204-3.1
ASME B31.3 Process Piping
CRN -
Marine approval
ABS/ LR/ BV/ DNV GL
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Options
Ambient temperature down to -60 °C (-76 °F),
Heavy duty stainless steel housing -
Components
FTL325P Interface PFM
FTL325N Interface NAMUR
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Measuring principle
Vibration Density
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Product Headline
Coated Liquiphant with Density Computer FML621
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Characteristic / Application
Compact vibronic device with highly corrosion-resistant coating for aggressive media,
Optional extension tube up to 3 m (9.8ft),
Modular housing concept -
Ambient temperature
-60 °C...+70 °C
(-51 °F...+158 °F) -
Process temperature
-50 °C...+150 °C
(-58 °F...+302 °F) -
Process pressure absolute
Vacuum...40 bar
Vacuum...580 psi -
Sensor length
Up to 3 m (9.8ft)
-
Certificates / Approvals
ATEX, IEC Ex
-
Specialities
Heartbeat Technology,
Bluetooth® Operation and maintenance SmartBlue App,
LED Module,
RFID TAG for easy identification,
Second line of defense
Temperature spacer for high process temperature,
Plug and play functionalities -
Components
Density Computer FML621
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Measuring range
Density range: 0.3 to 2 g/cm³
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Other approvals and certificates
Overfill protection WHG
SIL2/ SIL 3 according to IEC 61508
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