Specs at a glance
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Process temperature
-40 °C ... 150 °C
(-40 °F ... 302 °F) -
Process pressure absolute / max. overpressure limit
Vacuum ... 40 bar
(Vacuum ... 580 psi) -
Min. density of medium
>0,7g/cm³
(>0,5g/cm³ optional)
Field of application
Liquiphant FTL33 is a point level switch for liquids. The FTL33 is especially designed for food & beverage applications where hygienic requirements are requested. The Liquiphant is used for overfill prevention or pump dry-run protection. The IO-Link capability allows easy parameter setting.
Compact:
- Smallest vibronic sensor in the market
Safe:
- Continuous self-monitoring
- Reliable switching independent of media properties
Easy:
- No calibration
- Plug & play
-IO-Link connectivity
Point level switch in compact hygienic design with stainless steel housing for the food industry.
Process connections: Threads, hygienic process connections, M24 process adapter
Temperature: -40 to +150°C (-40 to +302°F)
Pressure: -1 to +40bar (-14.5 to +580psi)
Surface roughness: 0.76µm or 1.5µm
Overfill prevention and leakage detection WHG, hygienic certificates, final inspection report
Benefits
Designed for hygienic applications especially in the food industry - hygienic process connections and approvals available. IO-Link reduces costs and complexity due to easy configuration of the devices via engineering tools
CIP and SIP cleanability ensured - up to protection class IP69k
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Designed according to highest requirements to quality and environmental sustainability, the self-monitoring Liquiphant offers safe switching also in case of power supply loss
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Independent of changing media properties an accurate switching point is offered
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A real plug & play sensor is offered without any need for adjustment even with changing media. Measurement is unaffected by conductivity, build-up, turbulence, flows or air bubbles
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No calibration is required, no specific know-how or tools (e.g. software) necessary
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Robust design made of stainless steel (316L) assures highest durability - no mechanically moved parts, free of maintenance
Videos
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Liquiphant, Liquipoint, Cerabar, Ceraphant - A strong team for standard level and pressure applications
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Vibronic measuring principle
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Liquiphant with permanent function check is the safe choice for point level detection in liquids
Fundamental selection
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Simple products
- Easy to select, install and operate
Technical excellence
Simplicity

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Standard products
- Reliable, robust and low-maintenance
Technical excellence
Simplicity
-
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
Point level switch for liquids
in the food sector -
Supply / Communication
20 ... 253V AC/DC, 2-wire
10 ... 30V DC-PNP, 3-wire -
Ambient temperature
40 °C ... 70 °C
(-40 °F ... 158 °F) -
Process temperature
-40 °C ... 150 °C
(-40 °F ... 302 °F) -
Process pressure absolute / max. overpressure limit
Vacuum ... 40 bar
(Vacuum ... 580 psi) -
Min. density of medium
>0,7g/cm³
(>0,5g/cm³ optional) -
Main wetted parts
316L
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Process connection
Threads:
G1/2, G3/4, G1, MNPT1/2, MNPT3/4, MNPT1, R1/2, R3/4, R1 -
Process connection hygienic
Flush mount by use of weld in adapter
DIN11851
Tri-Clamp -
Communication
AC/DC, DC-PNP, IO-Link
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Certificates / Approvals
CSA C/US, EAC
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Safety approvals
Overfill protection WHG
Leakage -
Design approvals
EN 10204-3.1
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Hygienic approvals
3A, EHEDG
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Options
Switching delay
Cleaned from oil+grease,
Surface finish measurement
Configure to download the CAD drawings of this product
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Process Connection
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Prices per piece
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- Optional add-ons
Individual configuration
Often bought together
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