Explore performance details, construction highlights, applications, and technical information in one clear overview.
The SICK UP56 Pure mini is a compact, reliable level sensor designed for precise measurement of liquid levels in tanks and vessels. Utilizing ultrasonic technology, it provides continuous level monitoring with high accuracy and fast response times. The sensor operates within a measuring range of 30 mm to 250 mm in tanks and up to 500 mm when using an immersion tube. With a robust IP67 enclosure and protection class III, the UP56 is built for demanding industrial environments. It delivers a stable 4 mA to 20 mA output signal, suitable for integration into existing control systems. The sensor supports short-circuit protection and reversible operation, ensuring safe and reliable performance even under challenging process conditions.
The UP56 Pure mini employs a 320 kHz ultrasonic frequency to detect liquid levels with high precision. Its measurement technology ensures accurate detection through continuous wave transmission and reflection analysis, offering a resolution of 0.025 mm. The sensor features temperature compensation from –25 °C to +50 °C, which can be disabled if required. With a recovery time between 32 ms and 180 ms as defined by EMC EN 60947-5-7, it provides rapid response during level changes. The sensor is designed for free adjustment in 1 mm steps using the Connect+ Adapter (CPA), enabling precise calibration to specific application needs. Its shielded, 5-wire connection ensures minimal signal interference and reliable performance in noisy industrial settings.
The UP56 Pure mini has a measuring range of 30 mm to 250 mm for tank applications and up to 500 mm when used with an immersion tube. It operates under process pressures from 0 bar to 2 bar (gauge pressure). The sensor is rated for temperatures between –25 °C and +85 °C, with temperature compensation available in the range of –25 °C to +50 °C. Accuracy is specified at ≤1% of full scale value. The output signal is a short-circuit protected, reversible 4 mA to 20 mA current signal with a maximum output current of 200 mA. Residual ripple is ±10%. The sensor uses a GF D40 process connection and features a polypropylene (PP) housing for chemical resistance and durability.
The UP56 Pure mini is configured with a 5-wire, shielded, PVC cable of 10 m length, featuring flying leads for flexible installation. It connects via a standard GF D40 process connection. The sensor can be freely adjusted in 1 mm steps using the Connect+ Adapter (CPA), allowing precise level setting without hardware modifications. No communication interface is provided; integration relies on analog output signals (4 mA to 20 mA) for compatibility with existing control systems such as PLCs or SCADA platforms. The design supports straightforward installation and alignment, making it ideal for retrofitting or new installations where simple, reliable level detection is required.
The UP56 Pure mini is designed to operate reliably in a wide range of industrial environments. It functions within a process temperature range of –25 °C to +85 °C and withstands process pressures from 0 bar to 2 bar (gauge pressure). The IP67 enclosure rating ensures complete protection against dust ingress and temporary submersion in water, making it suitable for wet or humid environments. The sensor is protected according to class III standards, ensuring safe operation under electrical hazards. Temperature compensation can be disabled if needed, offering flexibility in applications with non-standard thermal conditions.
The UP56 Pure mini is ideal for use in a variety of industrial processes requiring accurate and reliable level monitoring. It is commonly applied in tanks, reservoirs, and vessels where liquid levels must be continuously monitored without interference from process noise or temperature fluctuations. Suitable for applications such as chemical processing, pharmaceutical manufacturing, food and beverage production, and material handling systems. Its compact design, high accuracy, and robust construction make it well-suited for both static and dynamic level measurement in environments with moderate pressure and temperature variations.
| Specification | Value |
|---|---|
| Resolution | 0.025 mm |
| Response time | 68 ms 2) |
| Communication interface | - |
| Supply voltage | 9 V DC ... 30 V DC 1) |
| Protection class | III |
| Connection type | Connecting cable, flying leads, 5-wire, shielded, PVC |
| Housing material | PP |
| Accuracy | of sensor element |
| Ambient temperature | , storage |
| Measuring range in tank | 30 mm ... 250 mm |
| value | 320 kHz |
| Measuring range immersion tube | 30 mm ... 500 mm |
| Process pressure | 0 bar ... 2 bar 1) |
| Process temperature | –25 °C ... +85 °C |
| Accuracy of sensor element | ≤ 1 % From the full scale value |
| Residual ripple | ± 10 % |
| Length of cable | 10 m |
| Output signal | 4 mA ... 20 mA 3) |
| Output current | 200 mA |
| Enclosure rating | IP67 |
| Ultrasonic frequency | 320 kHz |
| Process connection | GF connection D40 |
| Ambient operating temperature | –25 °C ... +70 °C 1) |
| Ambient temperature, storage | –40 °C ... +85 °C |
| Unit weight | 0.614 Kilograms |
| Net unit weight | 0.614 Kilograms |
| connection | D40 |
Browse product families and jump into the exact catalog section you need.