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Brand: SICK
SICK LFP1150-G1NMB LFP Inox Capacitive Level Sensor
Description
LFP1150-G1NMB is a SICK LFP Inox capacitive level sensor (part no. 1088711) with a probe that measures or switches the level of liquids in tanks and vessels. The catalogue summary lists: communication interface: IO-Link; process connection: G ¾ A; probe length: 1,150 mm; probe type: Rod probe in hygienic design; remote amplifier: No.
LFP1150-G1NMB: function, principle and typical use
A capacitive level probe works like a long capacitor: the medium changes the capacitance between the probe rod and the tank wall or a coaxial tube, and the electronics convert that change into a level value. Conductive and non-conductive liquids can both be measured, and foam and deposits can be partly compensated.
The output rows in the table show the switching and analog signals of this version, and IO-Link adds parameterisation and process data. Switching points and the analog span are set on the amplifier or over IO-Link, so a single device can replace a float switch and a transmitter.
Technical specifications
| Parameter | Specification |
|---|---|
| Type code | LFP1150-G1NMB |
| Part number | 1088711 |
| Product family | LFP Inox |
| Medium | Fluids |
| Measurement | Switch, Continuous |
| Design | Standard amplifier |
| Probe type | Rod probe in hygienic design |
| Probe length | 1,150 mm |
| Process pressure | –1 bar … 16 bar |
| Process temperature | –20 °C … +150 °C |
| Accuracy of sensor element | ± 5 mm |
| Reproducibility | ≤ 2 mm |
| Resolution | 1 mm |
| Response time | 400 ms |
| Dielectricity constant | ≥ 5 for rod probe; ≥ 1.8 with coaxial tube |
| Conductivity | No limitation |
| Deactivated area at process connection | 25 mm |
| Deactivated area at end of probe | ≥ 10 mm |
| MTTF | 194.3 years (EN ISO 13849-1) |
| Communication interface | IO-Link |
| Supply voltage | 12 V DC … 30 V DC |
| Power consumption | ≤ 75 mA at 24 V DC without output load |
| Connection type | Round connector M12 x 1, 5-pin |
| Output signal | 1 x PNP + 1 x PNP/NPN + 4 mA … 20 mA / 0 V … 10 V |
| Output load | 4 mA … 20 mA 13,5 V, 4 mA … 20 mA 12 V, 0 V … 10 V > 750 Ohm at Uv ≥ 14 V |
| Output current | < 100 mA |
| Inductive load | < 1 H |
| Capacitive load | ≤ 100 nF |
| Enclosure rating | IP67 (EN 60529); IP69 (EN 60529) |
| Temperature drift | < 0.1 mm/K |
| Declarations and certificates in the data sheet | EU declaration of conformity; UK declaration of conformity; ACMA declaration of conformity; Moroccan declaration of conformity; China RoHS; China Compulsory Product Certification (CCC) exempt; FDA certificate; cULus certificate; IO-Link certificate; Information according to Art. 3 of Data Act (Regulation EU 2023/2854) |
Type code LFP1150-G1NMB and what to check before ordering
Electrically and for the interface, the listed values are response time of 400 ms; power draw of ≤ 75 mA at 24 V DC without output load; resolution of 1 mm; connection of round connector M12 x 1, 5-pin; current of < 100 mA; supply of 12 V DC … 30 V DC; interface of IO-Link.
Mechanical and environmental data for this type: housing is stainless steel 1,4305; operating temperature is –20 °C … +60 °C; enclosure rating is IP67 (EN 60529); IP69 (EN 60529).
Probe length cannot be cut to size unless the manufacturer states it.
Typical uses are level monitoring in process tanks, CIP-cleaned vessels, buffer tanks and day tanks for water, chemicals, oils and beverages.
Related SICK products: SICK WTB2S-2P1151 Proximity Sensor, SICK WL11G-2B2531 Photoelectric Sensor, SICK CLV631-2120 CLV63x Identification Sensor, SICK GL10-P4211 G10 Retro-Reflective Photoelectric Sensor, SICK WTB11-2P2461 Proximity Sensor and SICK RFU620-10104 RFU62x Identification Sensor.
Documents and quotation
The official SICK data sheet for LFP1150-G1NMB (part no. 1088711) is attached as a PDF. Send the type code, quantity and delivery location through the RFQ form and Seven Star LLC, an independent supplier in Muscat, will respond with a quotation. Similar products sit under Level Instrumentation. Confirm the full code against the device it replaces; if this page and the data sheet ever disagree, follow the data sheet.
Datasheets & Documents
- Datasheet SICK LFP1150-G1NMB official data sheet (part no. 1088711) Download
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About brand
SICK is the German maker of industrial sensors: photoelectric and proximity sensors, safety laser scanners and light curtains, encoders, distance sensors, code readers and gas analysers. Erwin Sick, an optics engineer, founded it in Munich in 1946, and in 1952 it introduced its first marketable accident-prevention light curtain, which protected press operators by stopping the machine when a hand broke the light beam. The company moved to Waldkirch in the Black Forest in 1956 and is still headquartered there. It is a privately held company, and has been an Aktiengesellschaft (AG) since 1996.
SICK company profile
| Founded | 1946, Munich, Germany, by Erwin Sick (1909–1988) |
|---|---|
| Headquarters | Waldkirch, Baden-Württemberg, Germany (since 1956) |
| Ownership | Privately held; after the founder's death in 1988 his widow Gisela Sick became the main shareholder. Legal form SICK AG since 1996 |
| Size | More than 12,000 employees and group revenue of about EUR 2.3 billion (company figures for 2023) |
| First breakthrough | Accident-prevention light curtain for presses, shown in Hanover in 1952 |
| International growth | First foreign subsidiary in France in 1972, United States in 1976; today sales and service companies worldwide |
| Product families | Photoelectric, inductive, capacitive, magnetic and ultrasonic sensors; safety laser scanners, light curtains, safety controllers and relays; encoders and motor feedback systems; distance sensors and LiDAR; barcode and 2D code readers and machine vision; gas analysers, dust and flow measurement for process and emissions monitoring |
Milestones
- 1946: Erwin Sick receives a licence to run his engineering firm in Munich.
- 1952: The first marketable accident-prevention light curtain is presented in Hanover and goes into series production.
- 1956: The company moves to Waldkirch with 25 employees.
- 1972 and 1976: Subsidiaries are founded in France and the United States.
- 1996: SICK becomes an Aktiengesellschaft.
- Today: Sensors for factory and logistics automation, machine safety and process analysis, with a large share of revenue outside Germany.
Choosing a SICK sensor
For object detection, the sensing principle comes first. A retro-reflective sensor (WL series) sends light to a reflector and switches when an object breaks the beam; it is reliable over long distances and easy to align. A sensor with background suppression (WTB series) detects an object at a set distance and ignores what is behind it, which suits conveyors with shiny or dark backgrounds. A through-beam pair (WS/WE) gives the longest range and the highest reliability in dust. For transparent bottles and film, use a model built for transparent objects (for example WL12G-3B or WL150-P420). The digits in the code also matter: "P" usually means a PNP output and "N" NPN, and the last digits set the connector or cable. For machine guarding, a safety laser scanner such as nanoScan3 or microScan3 protects an area, while a safety controller such as Flexi Soft combines several safety devices.
Where SICK products are used
In Oman and the GCC, SICK sensors are used in packaging and bottling lines, food and beverage plants, logistics and airport baggage handling, cement and steel plants, ports and cranes, automated warehouses, and on machines built by European OEMs. SICK safety scanners guard robots and automated guided vehicles, and its encoders give position feedback on motors, hoists and conveyors.
SICK products we list
| Family | Examples |
|---|---|
| Photoelectric sensors | WL12-3P2431, WTB12-3P2431, GTB6-P4211, VL18-4P3240, WL12G-3B2531, WS/WE100, KT5W contrast, W26 IO-Link |
| Proximity, cylinder and ultrasonic sensors | IME12-08NPSZC0S, IME18-05BPSZC0S, MZT8, UM18 4-20 mA, UM30, UFN3 fork |
| Machine safety | nanoScan3, microScan3, S300 Professional, Flexi Soft FX3-CPU1, FX3-XTIO, ReLy OSSD |
| Encoders and motor feedback | DFS60B, AFM60 PROFINET, AFS60 SSI, ATM60 PROFIBUS, SRS50, EFS50 |
| Distance sensors and code readers | DT50, DL50, DT35, Lector632 |
Ordering SICK products: what we need
Send the type code and the 7-digit SICK part number from the label (for example WTB12-3P2431 together with its part number). For a replacement sensor, add the output (PNP or NPN), connection (M8, M12 or cable) and sensing distance. For encoders, add the interface (incremental, SSI, PROFIBUS, PROFINET), resolution and shaft type. For safety scanners, tell us the model and whether the existing configuration needs to be kept.
Facts checked against SICK's published company history and annual figures, October 2026.
Browse SICK products by category: Sensors & Transmitters.
FAQ
Questions about the SICK LFP1150-G1NMB LFP Inox Capacitive Level Sensor
Answers from our engineering team on installation, compatibility and integration.
01What is the SICK LFP1150-G1NMB?
It is a SICK capacitive level sensor (LFP Inox), part no. 1088711. The catalogue summary reads: Communication interface: IO-Link; Process connection: G ¾ A; Probe length: 1,150 mm; Probe type: Rod probe in hygienic design.
02What supply does the LFP1150-G1NMB need?
Supply voltage is 12 V DC ... 30 V DC. Check the output and interface rows in the table for the signal levels.
03What protection rating and temperature range are given?
Enclosure rating: IP67 (EN 60529); IP69 (EN 60529). Ambient operating temperature: –20 °C ... +60 °C. Confirm both against the site before ordering.
04Does the page include the data sheet?
Yes. The official SICK data sheet for part no. 1088711 is attached as a PDF and linked on this page; where it differs from the page text, the data sheet applies.
05What should be confirmed before ordering the LFP1150-G1NMB?
Compare the full type code and part number 1088711 with the device being replaced, check supply, output or interface and mounting, and send the details through the RFQ form. Seven Star LLC is an independent supplier, not a SICK partner.
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