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- Flush-mounted installation, pipes remain piggable
- For water- and oil-based media
- Reliable switching function due to compensation even in the case of heavy buildup
Specs at a glance
Product Water- and oil-based media with an DC ≥ 2 Installation Vessels and pipes Process temperature range –20 to +100 °C (–4 to +212 °F)
(For 1 hour: +150 °C (+302 °F))Process pressure range –1 to +25 bar
(–14.5 to +362.5 psi)Product / Version Price / pcs. in EUR Order code Electrical Connection Process Connection 1 to 3 4 to 10 11+ Plug M12, IP65/67 NEMA Type 4 Encl. Thread ISO228 G1, 316L, install > accessory weld-in adapter 291,- 262,- 239,- FTW33-AAxMWSJ Thread G1/2, 316L install > process sleeve hygienic 287,- 258,- 235,- FTW33-AAxMWVJ Thread ISO228 G3/4, 316L, install > accessory weld-in adapter 279,- 251,- 229,- FTW33-AAxMW5J DIN11851 DN25 PN40 w/o slotted-nut, 316L 328,- 295,- 269,- FTW33-AAxM1AJ DIN11851 DN40 PN40 w/o slotted-nut, 316L 328,- 295,- 269,- FTW33-AAxM1CJ Tri-Clamp ISO2852 DN25-38 (1..1-1/2"), 316L, DIN32676 DN25-40 328,- 295,- 269,- FTW33-AAxM3CJ Tri-Clamp ISO2852 DN40-51 (2"), 316L, DIN32676 DN50 328,- 295,- 269,- FTW33-AAxM3EJ Plug M12, IP66/68/69 NEMA Type 4/6P Encl. Thread ISO228 G1, 316L, install > accessory weld-in adapter 315,- 283,- 258,- FTW33-AAxNWSJ Thread G1/2, 316L install > process sleeve hygienic 310,- 279,- 254,- FTW33-AAxNWVJ Thread ISO228 G3/4, 316L, install > accessory weld-in adapter 303,- 273,- 248,- FTW33-AAxNW5J DIN11851 DN25 PN40 w/o slotted-nut, 316L 351,- 316,- 288,- FTW33-AAxN1AJ DIN11851 DN40 PN40 w/o slotted-nut, 316L 351,- 316,- 288,- FTW33-AAxN1CJ Tri-Clamp ISO2852 DN25-38 (1..1-1/2"), 316L, DIN32676 DN25-40 351,- 316,- 288,- FTW33-AAxN3CJ Tri-Clamp ISO2852 DN40-51 (2"), 316L, DIN32676 DN50 351,- 316,- 288,- FTW33-AAxN3EJ Accessories
Product / Version Price / pcs. in EUR Order code Weld-in adapter G3/4 d=50, 316L Flush mount process connection. For vessel-mounting. Material: 316L. Seal: silicone O-ring. FDA, EHEDG, 3-A compliant. Usage: FTL20/FTL20H, FTL31/FTL33, FTW23, FTW33, FMI51, FTI51, QMW43, 11371. Usage: TMR35. 26,52 71258355 Weld-in adapter G3/4, d=29, 316L Flush mount process connection. For pipe-mounting. Material: 316L. Seal: silicone O-ring. FDA, EHEDG compliant. Usage: FTL20/FTL20H, FTL31/FTL33, FTW23, FTW33, QMW43. 26,75 71258357 Weld-in adapter G1, d=60, 316L Flush mount process connection. Material: 316L. Seal: silicone O-ring. FDA, EHEDG, 3-A compliant. Usage: FMI51/FMI52, FTI51/FTI52, FTL20/FTL20H, FTL31/FTL33, FTL50/FTL50H/FTL51/FTL51C/FTL51H, FTL80/FTL81, FTL260, FTW23, FTW33, PMP23, PMP51, PMP135, PTP33B/PTP35, QMW43. Usage: TM401/TM411, TMR35. 38,86 52001051 Weld-in adapter G1, d=53, 316L Flush mount process connection. Material: 316L. Seal: silicone O-ring. FDA, EHEDG, 3-A compliant. Usage: FMI51/FMI52, FTI51/FTI52, FTL20H, FTL31/FTL33, FTL50/FTL50H/FTL51/FTL51C/FTL51H, FTL80/FTL81, FTL260, FTL330H/FTL330L, FTW23, FTW33, PMP135, PTP35, QMW43. 38,87 71258358 Cable 4x0.34, box M12, 316L,LED,90o,L=5m M12 socket for plug + integrated LED. 5m cable PVC, 316L lock. Especially for hygiene applications. Usage: device + switch output. 20,81 52018763 Cable 4x0.34, box M12,Cu Sn/Ni,90o,L=5m M12 plug connector. Usage: FMB50/FMB51/FMB52/FMB53, FTL31/FTL33, FTL51B, FTW23, FTW33, PMC11, PMC21, PMC51, PMP11, PMP21/PMP23, PMP51/PMP55, PTC31B, PTP31B/PTP33B, QMW43. 7,25 52010285 Socket for plug 4p-125V, 4A-M12 M12 socket for plug. Self confectionery connection. Usage: plug M12, FMB50/FMB51/FMB52/FMB53, FMB70, FTL31/FTL33, FTW23, FTW33, PMC41/PMC45, PMP11, PMP21, PMP41/PMP45/PMP46,/PMP48, PMP51, PTC31B, PTP31B, QMW43. 15,55 52006263 Usage: FTL20/FTL20H, FTL31/FTL33, FTL50/FTL50H/FTL51/FTL51H, FTW23, FTW33. 7,25 71267011 Prices valid until 30.09.2020 in EUR per unit (not including shipping and applicable sales tax). See
Endress+Hauser Terms and ConditionsIs this Liquipoint level switch not the perfect match for your application?
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Application
The Liquipoint FTW33 is a point level switch for liquid and pasty media. It is used preferably in storage tanks, mixing vessels and pipes. Developed and built for the food and beverage industry, the Liquipoint FTW33 meets international hygienic requirements. It is particularly suited to applications where flush-mounting is necessary. The Liquipoint FTW33 can be used permanently in process temperatures up to 100 °C (212 °F) and for 60 minutes in cleaning and sterilization processes up to 150 °C (302 °F). The Liquipoint FTW33 can also be used for detecting the foam that commonly occurs within the food and beverage industry.
Function
A low, galvanically isolated AC voltage is applied at the electrode in contact with the process. If liquid or pasty media come in contact with the
electrode, a measurable current flows and the Liquipoint FTW33 switches. Active buildup compensation ensures reliable switching of the measuring device even if buildup occurs on the sensor.Application Example
The measuring system consists of a Liquipoint FTW33 point level switch, e.g. for connection to programmable logic controllers (PLC).
a) Overfill protection or upper level detection (MAX)
b) Pump dry running protection (MIN)
c) Lower level detection (MIN)
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Technical data
OutputFunction – 3-wire DC-PNP
– Positive voltage signal at the switch output of the electronics
– IO-Link: 2 DC-PNP outputs, freely configurable
Connectable load 200 mA (short-circuit proof) Residual voltage <3 V Residual current <100 μA Supply voltage – 10 to 30 V DC
– IO-Link: 18 to 30 V DC
Power consumption <1 W (at max. load: 200 mA) Current consumption <15 mA Cable specification – M12 connector: IEC 60947-5-2
– Valve plug: Cable cross-section ≤1,5 mm² (16 AWG ); ⌀ 3,5...6,5 mm
– Cable: Cable cross-section 0,75 mm² (AWG 20)
Connecting cable
length– max. 25 Ω/core, total capacitance <100 nF
– IO-Link communication: < 10 nF
Performance characteristicsReference operating
conditions– Ambient temperature: 20 °C (68 °F) ±5 °C
– Medium temperature: 20 °C (68 °F) ±5 °C
– Process pressure: 1 bar (14.5 psi)
– Medium: water
– Conductivity: approx. 200 μS/cm
Maximum uncertainty ±1 mm (0.04 in) in accordance with DIN 61298-2 Hysteresis max. 1 mm (0.04 in) Non-repeatability ±0.5 mm (0.02 in) in accordance with DIN 61298-2 Switching delay – 0.5 s when sensor is covered (can be configured via IO-Link 0.3 to 60 s)
– 1.0 s when sensor is uncovered (can be configured via IO-Link 0.3 to 60 s)
Switch-on delay – <1 s (no defined switching status before this)
– IO-Link: < 2 s (no defined switching status before this)
Orientation any position EnvironmentAmbient temperature
rangeAt the housing: –40 to +70 °C (–40 to +158 °F) Storage temperature –40 to +85 °C (–40 to +185 °F) Climate class DIN EN 60068-2-38/IEC 68-2-38: test Z/AD Degree of protection – IP65 (valve plug)
– IP65/67 NEMA Type 4X Enclosure (connector for plastic housing cover)
– IP66/68/69K NEMA Type 4X/6P Enclosure (M12 connector for metal housing cover)
– IP66/68 NEMA Type 4X/6P Encl. (cable)
Cleaning Resistant to typical cleaning agents from the outside, in accordance with Ecolab test.
Electromagnetic
compatibility– In accordance with EN 61326-Serie series and NAMUR Recommendation EMV (NE 21).
– Only the requirements of IEC/EN 61131-9 are met if IO-Link communication is used.
Short-circuit
protectionOverload protection/short-circuit protection at I > 250 mA; the sensor is not destroyed. Intelligent monitoring: Testing for overload at intervals of approx. 1.5 s; normal operation resumes once the overload/short-circuit has been rectified
ProcessProcess temperature
range–20 to +100 °C (–4 to +212 °F), M24 process adapter with EPDM process seal for 1 h: +130 °C (+266 °F) Process pressure range –1 to +25 bar (–14.5 to +362.5 psi) Standard Water- or alcohol-based media (DC ≥10) Extended Oil-based media (DC > 2.4) or media that form heavy buildup
IO-Link Adjustment up to DC > 2.4 via the IO-Link interface for water-, alcohol- and oil-based liquids or powdered products
Mechanical constructionWeight approx. 300 g (10.58 oz) Materials in contact
with process– Sensor: 316L (1.4404), PEEK The material PEEK meets the requirements of EU 1935/2004, 10/2011 as well as
2023/2006 and FDA 21 CFR 177.2415– Process connection: 316L (1.4404/1.4435)
Materials not in
contact with processHousing covers:
– M12 metal: 316L (1.4404)
– M12 plastic: PPSU; Design ring: PBT/PC
– Valve connector, plastic: PPSU
– Plastic cable: PPSU; Housing: 316L (1.4404)
Surface Ra ≤ 0.76 μm (30 μin) OperationOptions – Local
– Via test magnet
– Via IO-Link operating menu
ApprovalsApproval CSA C/US General Purpose Sanitary compatibility 3-A; EHEDG Dimensions in mm (inches)
Housing, Electrical connection
a) Metal M12
b) Plastic M12
c) Plastic valve plug
Installation according to instruction manual
Process connections
a) Clamp DN25-38; 1...1½"
b) Clamp DN40, 2"
c) Milk pipe DN25, PN40
d) Milk pipe DN40, PN40
e) Thread G¾"
f) Thread G1"
g) Thread M24×1,5
h) Thread G½" Hygiene adapter
Installation according to instruction manual
Electrical connection
M12 connector
a) Function monitoring using XOR operation
Valve plug
IO-Link with one switch output
Terminal assignment
a) Minimum safety
b) Connection for function monitoring using XOR operation
c) Maximum safety
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More documents for FTW33
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IO-Link
Besides its general benefits, summarized below, using IO-Link point-to-point communication with our point level switch Liquipoint FTW33 allows:
- Adjustment on media with DC < 2
- Evaluation of thickness of buildup
- Two switching points adjustable for different media
General benefits of IO-Link
Digital measured values:
- Faultless transmission (e.g. EMC caused)
- No conversion, thus a higher total accuracy
More data- Possibility to carry more values
- Detailed fault information
- Additional process information
Central parameters storage- Possibility to load set up parameters from the master into a device
- Configuration can be duplicated from one device to the next
- Remote sensor maintenance
