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Measuring principle
Capacitive Liquid
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Characteristic / Application
Capacitive rod probe
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Specialities
Interface detection
Foam detection -
Ambient temperature
-50 °C … +70 °C
(-58 °F … +158 °F)
With separate housing:
-50 °C … +120 °C
(-58 °F … +248°F) -
Process temperature
-80 °C … +200 °C
(-112 °F … +392 °F) -
Process pressure / max. overpressure limit
Vacuum … 100 bar
(Vacuum … 1450 psi) -
Main wetted parts
Insulation material: PTFE, PFA
316L -
Process connection
G 1/2 … 1 1/2
NPT 1/2 … 1 1/2
Flange from DN25…/ASME 1″…/JIS 10K… -
Process connection hygienic
Tri-Clamp ISO2852 gap free plated
Dairy coupling
Flush mount -
Sensor length
Total length of probe: max 6 m (20 ft)
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Communication
2- wire 19-253 VAC
3-wire
PFM
Relay DPDT
DC-PNP
8/16 mA -
Certificates / Approvals
ATEX, FM, CSA, CSA C/US, IEC Ex, TIIS, INMETRO, NEPSI, EAC
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Safety approvals
Overfill prevention WHG
SIL -
Design approvals
EN 10204-3.1
NACE MR0175 -
Marine approval
GL/ ABS/ DNV
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Options
Inactive length
Fully isolated active build-up compensation
Ground tube
Separate housing -
Components
Transmitter
PFM: FTC325, FTC625, FTC470Z, FTC471Z
3-wire:
FTC325 -
Application limits
Notice the pressure and temperature derating.
Notice for non conductive medium the DK.
Field of application
Liquicap FTI51 is a rod probe for point level detection of liquids that are highly viscous and tend to form build-up. Also used for detection of interface and foam of conductive liquids. Due to its active build-up compensation FTI51 offers maximum reliability and is suited for a wide range of applications thanks to international certificates. The parts in contact with the process are made of corrosion-resistant and FDA-listed materials – this guarantees a high safety standard.
For liquids that tend to form build-up. Interface detection of different liquids. Two-point control (pump control) with just one process connection. Foam detection of conductive liquids.
Process connections: Flanges, threads, special hygienic process connections
Temperature: -80 to +200°C (-112 to +392°F)
Pressure: Vacuum to +100bar (vacuum to +1,450psi)
Sensor length: 6m (20ft)
International explosion protection certificates, overfill prevention WHG, SIL, hygienic certificates, marine approval
Benefits
Cost savings thanks to easy and fast commissioning as calibration takes place at the press of a buttonReliable and safe measurement due to active build-up compensationReliable and universal application thanks to wide range of certificates and approvalsShort reaction timeMaterial in contact with the process made of corrosion-resistant and FDA-listed materialsTwo-stage overvoltage protectionNo need for recalibration after replacing electronics