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Specs at a glance
Process temperature
-40 °C ... 100 °C (-40 °F ... 212 °F)
Process pressure / max. overpressure limit
Vacuum ... 10 bar (Vacuum ... 145 psi)
Min. conductivity of medium
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
Simple products
Easy to select, install and operate
Technical excellence
Simplicity
©Endress+Hauser
Simple products
Easy to select, install and operate
Technical excellence
Simplicity
Standard products
Reliable, robust and low-maintenance
Technical excellence
Simplicity
High-end products
Highly functional and convenient
Technical excellence
Simplicity
Specialized products
Designed for demanding applications
Technical excellence
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FLEX selections
Technical excellence
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Fundamental selection
Meet your basic measurement needs
Technical excellence
Simplicity
Lean selection
Handle your core processes easily
Technical excellence
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Extended selection
Optimize your processes with innovative technologies
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Master your most challenging applications
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Success stories
Basics of continuous level measurement
Common technologies available for continuous level measurement are ultrasonic, free space radar, guided wave radar, capacitance, gamma and pressure.
Read the full story
Characteristic / Application
Compact rod probe with multipoint detection, possible up to 5 switch points. Simple rod shortening.
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 / max. overpressure limit
Vacuum ... 10 bar (Vacuum ... 145 psi)
Min. conductivity of medium
Sensor length
0.1m ... 4m (3.9" ... 157")
Application limits
Observe min. medium conductivity
Most downloaded
Liquipoint T FTW31, FTW32
Technical Information
English version - 08/2016
Point level switch for multiple point detection in conductive liquids
EN
CS DE FR IT JA PL RO RU SV ZH
19/08/2016
09/04/2013
09/07/2010
01/07/2003
Language:
English
Version:
19/08/2016
File size:
386.9 KB
File name:
TI00375FEN_1416.pdf
Liquipoint T FTW 31, FTW 32
English version - 02/2005
Level limit switch for multiple point detection in conductive liquids
without electronic insert
EN
BG CS DE ES ET FR IT JA NL PT RU
01/02/2005
01/07/2003
Language:
English
Version:
01/02/2005
File size:
419.8 KB
File name:
KA203fa6.pdf
35 documents
TI Weld-in adapter, process adapter and flanges
Level, pressure and temperature measurement
EN
German Spanish French Italian Japanese Polish Portuguese Russian Chinese
25/03/2024
15/09/2023
28/10/2021
30/07/2021
19/06/2020
Language:
English
Version:
25/03/2024
File size:
1.1 MB
File name:
TI00426FEN_2524.pdf
Liquipoint T FTW31, FTW32
Technical Information
Point level switch for multiple point detection in conductive liquids
EN
Czech German French Italian Japanese Polish Romanian Russian Swedish Chinese
19/08/2016
09/04/2013
09/07/2010
01/07/2003
Language:
English
Version:
19/08/2016
File size:
386.9 KB
File name:
TI00375FEN_1416.pdf
Conductive point level measurement
EN
Bulgarian Czech Danish German Greek Spanish Estonian Finnish French Croatian Hungarian Indonesian Italian Japanese Korean Lithuanian Latvian Dutch Norwegian Polish Portuguese Romanian Russian Slovak Slovenian Swedish Thai Turkish Chinese
15/04/2024
Language:
English
Version:
15/04/2024
File size:
350.2 KB
File name:
KA01711FEN_0124-00.pdf
Liquipoint T FTW 31, FTW 32
Level limit switch for multiple point detection in conductive liquids without electronic insert
EN
Bulgarian Czech German Spanish Estonian French Italian Japanese Dutch Portuguese Russian
01/02/2005
01/07/2003
Language:
English
Version:
01/02/2005
File size:
419.8 KB
File name:
KA203fa6.pdf
Liquipoint T FTW31, FTW32
Operating Information
Point level switch for multiple point detection in conductive liquids
EN
German Greek Spanish Finnish French Croatian Italian Dutch Polish Russian
09/04/2013
09/07/2010
01/02/2005
01/07/2003
Language:
English
Version:
09/04/2013
File size:
336.4 KB
File name:
KA00204FA6_1313.pdf
XA Liquipoint T FTW31, FTW32
Ex ia IIC T5 Gb Ex ia [ia Ga] IIC T6 Gb
Language:
English
Version:
30/07/2024
File size:
500 KB
File name:
XA02377FEN_0124-00.pdf
Liquipoint T FTW31, FTW32
II 2 G Ex ia IIC Gb II 2 G Ex ia [ia] IIC Gb
EN
Bulgarian Czech Danish German Greek Spanish Estonian Finnish French Croatian Hungarian Italian Lithuanian Latvian Dutch Polish Portuguese Romanian Slovak Slovenian Swedish
28/02/2022
13/04/2016
31/12/2010
01/03/2003
Language:
English
Version:
28/02/2022
File size:
399.5 KB
File name:
XA00230FEN_1521-00.pdf
Liquipoint T
FTW31, FTW32
Approval No.: EG 03 004-a ATEX II 3 G Protection: EEx nA [L] IIC T6 EEx nC [L] IIC T6
EN
German French
01/02/2003
Language:
English
Version:
01/02/2003
File size:
189 KB
File name:
XA226FA3.PDF
Liquipoint T FTW31, FTW32
II 2 G Ex ia IIC Gb II 2 G Ex ia [ia] IIC Gb
Language:
English
Version:
28/03/2022
File size:
399 KB
File name:
XA02698FEN_0121-00.pdf
Liquipoint T FTW31, FTW32
1Ex ia IIC T6 Gb
Language:
English
Version:
03/08/2020
File size:
120.4 KB
File name:
XA02096FEN_0120.pdf
60 spare parts & accessories
60 spare parts & accessories
60 spare parts & accessories
Cover F24, PBT (FTW31/32), gasket
Cover F16 grey, PBTP, gasket
O-ring 71.0x3.55 EPDM, 5 pieces
Provide spacer FTW31-rods, 4 pieces
Sealing ring G1-1/2, 48x55 FA, 5 pcs.
Drawing number
Order code
57
52014047
Protection cover F16 housing
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