Liquipoint FTW33
Compact point level sensor for liquid & pasty media
SKU: FTW33
Highlights
- Conductive point level sensor
- Point level switch for liquid and pasty media in the food and beverage industry
- Output: 3-wire DC-PNP, Positive voltage signal at the switch output of the electronics & IO-Link: 2 DC-PNP outputs, freely configurable
- CIP and SIP cleanability ensured - up to protection class IP 69
- 3-A and EHEDG certificates
Fields of application
- Used in pipes and in storage, mixing and process vessels with or without an agitator
- For liquids with electrical conductivity >1 μS/cm or dielectric constant >2
- Detection of foam occurring within the food industry
Details
The Liquipoint FTW33 point level sensor from Endress+Hauser is developed for the food industry and meets all international hygiene requirements. The device also fits perfectly for industrial applications in all industries. For use in pasty and sticky media and media with heavy build-up.
General Information
| Measuring principle | Conductive |
|---|---|
| Medium type | Oil and water based liquids and sticky media Media which generate heavy buildup |
| Measurement level range | Standard: Water- or alcohol-based media, Dielectric constant ≥ 10 Extended: Oil-based media 2 < DC < 10 or media that form heavy buildup |
| Minimum dielectric constant | For water- or alcohol-based media : ≥ 10, for oil-based media: 2- 10 |
| Process temperature range | Standard:-20 to 100 °C Cleaning: -20 to 150°C for 1h |
| Process pressure range | -1 to 25 bar (-14.5 to 362.5 psi) |
| Sensor accuracy | ±1 mm (0.04 in) in accordance with DIN 61298-2 |
Input/Output
| Output | DC PNP |
|---|
Mechanical Data
| Installation type | Vessel, Tank, Pipe, agitator |
|---|---|
| Installation position | On top,from bottom, laterally |
| Process connection | R 1, ISO 7/1 (DIN 2999), BSPT NPT, ANSI B 1.20.3 (thread) |
| Wetted material | Sensor: 316L Sensor isolation: PEEK |
| Housing material | Sensor: 316L Sensor isolation: PEEK |
| Degree of protection | IP65 (valve plug) IP65/67 NEMA type 4X enclosure (M12 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 Enclosure (cable) |
| Surface roughness | Ra ≤0.76 µm (30 µin) |
Electrical Data
| Voltage Type | DC |
|---|---|
| Power supply | 10 to 30 V |
| Current consumption | < 15 mA |
| Cable entry | M12 M 16 NPT1/2" |
| Switch on Delay | < 1 s |
| Switch response time | 0.5 s when sensor is covered; 1.0 s when sensor is uncovered Optional: 0.3 s; 1.5 s or 5 s when sensor is covered and uncovered, see product structure, order code for "Service", option HS "switching delay" |
Certification/Approvals
| Hazardous approvals | CSA C/US |
|---|---|
| Hygienic / Drinking water approvals | 3A, EHEDG |
| Other Approvals/ Certification | 3.1 Certificate, CE, C-Tick |
Additional Information
| Ambient temperature range | -40 to 70 °C (-40 to 158 °F) |
|---|---|
| Storage temperature | -40 to 85 °C (-40 to 185 °F) |
| Shock resistance | Yes |
| Vibration resistance | Yes |
| Short-circuit protection | Yes |
| Reverse polarity protection | Yes |
| Overvoltage protection | Yes |
| Electromagnetic compatibility (EMC) | EN 61326/ NE 21 |
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