Specs at a glance
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Process temperature
-40 °C ... 100 °C
(-40 °F ... 212 °F) -
Process pressure absolute / max. overpressure limit
Vacuum ... 10 bar
(Vacuum ... 145 psi) -
Min. conductivity of medium
10 µS/cm
Field of application
The Liquipoint FTW31 offers simple and safe point level detection in conductive liquids. It offers numerous measuring possibilities due to multipoint detection (up to 5 rods).
For use in conductive liquids (as of 10μS/cm). For overfill prevention, dry running protection,
two-point control of pumps or multiple point detection.
Process connections: Threads
Sensor length: 0.1 to 4m (3.9 to 157")
Temperature: -40 to 100°C (-40 to 212°F)
Pressure: -1 to 10bar (-14.5 to 145psi)
International explosion protection certificates, overfill prevention and leakage detection certificate WHG
Benefits
Cost-effective probe for conductive liquids with detection of up to five point levels with one probe
No calibration required
Standard setting for the most common conductive liquids
No moving parts in the tank - long service life, reliable operation with no wear or blockages
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
Conductive
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Characteristic / Application
Compact rod probe with multipoint detection, possible up to 5 switch points. Simple rod shortening.
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Supply / Communication
DC PNP 10,8V ... 45V
Relay 20V ... 230V AC
Relay 20V ... 55V DC -
Ambient temperature
-40 °C ... 70 °C
(-40 °F ... 158 °F) -
Process temperature
-40 °C ... 100 °C
(-40 °F ... 212 °F) -
Process pressure absolute / max. overpressure limit
Vacuum ... 10 bar
(Vacuum ... 145 psi) -
Min. conductivity of medium
10 µS/cm
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Main wetted parts
316L, PP, PPS
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Max. tensile strength
1000 N
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Process connection
G 1 1/2
NPT1 1/2" -
Sensor length
0.1m ... 4m
(3.9" ... 157") -
Communication
DC PNP
Relay -
Certificates / Approvals
ATEX, EAC Ex
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Safety approvals
Leakage Detection
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Components
Transmitter: FTW325
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Application limits
Observe min. medium conductivity
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