Turck 
Turck
Level Sensor – With Analog Output and 2 × Switching Outputs
SKU: 100001845 Type: LS-534-0000-LIU22PN8X-H1151
Available 3–5 business days delivery
€457.50 / pieces
€544.43 incl. VAT
Features
- • Level detection and continuous level measurement
- • Easy to service and quick to deploy without calibration
- • Very flexible since probes can be shortened
- • Easy installation thanks to compact, rotatable housing with display
- • Process temperature up to 100 °C
- • Process pressure up to 10 bar
- • Small blind zones, ideal for small containers
- • Coaxial tube available for non-metallic tanks
- • IO-Link 1.1
- • 12…30 VDC
- • 1 × analog output 4… 20 mA/0… 10 V (automatic switchover depending on load)
- • 2 × PNP/IO-Link or PNP/NPN transistor outputs, each switchable
- • Dielectric constant: ≥ 5 for mono-rod probe/ rope probe or ≥ 1.8 with coaxial tube
Functional principle
The level sensors of the LS-5 series work according to the principle of the guided microwave. The so-called Time Domain Reflectometry (TDR) is used. This method emits an electromagnetic wave along the probe. When the wave reaches the medium, it is partially reflected due to the dielectric constant compared to air. The electromagnetic wave is picked up again by the sensor and the distance to the liquid can now be determined via the transit time.
Allgemein
| Reproducibility +/- | ≤ 2 mm |
| Probe accuracy | ± 5 mm |
| Dielectric constant | ≥ 5 |
| Temperature drift | ≤ 0.1 |
| Pressure resistance | -1…10 bar |
| Remark to product | Attention: Coaxial tubes (accessories) are |
| Remark to product | only available for LS-551 level sensors |
| Remark to product | with process connection G3/4". |
| Application range | liquids |
| Hysteresis | ≥ 2 mm |
| Max. probe load | 6 Nm |
| Inactive area at process connection | 25 mm |
| Medium temperature | from -20 to 100 °C |
| Inactive area at end of probe (IAE) | 10 mm |
Electrical data
| Capacitive load | 100 nF |
| Inductive load | < 1 H |
| Short-Circuit/Reverse Polarity Protection | yes / yes |
| Electricity consumption | up to 100 mA |
| Operating voltage UB | from 12 to 30 VDC |
| Electrical safety class | III |
Mechanical data
| Sealing material | Aramid fibers, bound with NBR |
| Elektrischer Anschluss | Connector, M12 × 1 |
| Process connection | 3/4'' NPT male thread |
| Materials (media-contacting) | Stainless steel 1.4404 (AISI 316L), PTFE, |
| Materials (media-contacting) | FKM |
| Housing material | Plastic, PBT |
| Degree of protection (IP) | IP67 |
Analog output
| Load resistance voltage output | ≥ 0.75 kΩ |
| Response time typical | < 400 ms |
| Current output | 4…20 mA |
| Low level signal current | 3.8…4 mA |
| Low-level signal voltage | ≤ 2 V |
| High level signal current | 20…20.5 mA |
| Load resistance current output | ≤ 0.5 kΩ |
| High level signal voltage | Uv - 2 V |
| Voltage output | from 0 to 10 V |
Displays/Operating elements
| MTTF | 194 years |
| Indication | Digital display |
IO-Link
| IO-Link port type | Class A |
| Frame type | 2.2 |
| Included in the SIDI GSDML | Yes |
| IO-Link specification | V 1.1 |
Ambient Conditions
| Ambient temperature | from -20 to 60 °C |
| Storage temperature | from -40 to 80 °C |
Tests/approvals
| UL registration number | E356899 |
Switching outputs
| Output function | NO/NC, PNP/NPN, analog output |
| Communication protocol | IO-Link |
Output
| Output 3 | Switching output (PNP/NPN) |
| Output 1 | Analog output (current/voltage, automatic |
| Output 1 | switching depending on load) |
| Output 2 | IO-Link/switching output (PNP) |
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