This document is the manual for Siemens Milltronics Process Instruments. The document introduces the usage and maintenance methods of the product. The document is for professional use only.
This manual covers safety requirements, installation procedures, wiring, and connection details for the SITRANS LR560 level transmitter. It includes guidance for hazardous‑area installations, HART communication setup, and local operation using the LCD display or handheld programmer.
Technical sections describe the device’s specifications, performance limits, power supply, analog output, mechanical construction, and environmental ratings. The document also provides programming instructions, quick‑start wizards, diagnostics, and maintenance schedules.
| Maximum power supply voltage | 30 V DC |
|---|---|
| Loop power range | 4 to 20 mA |
| Ambient temperature range | +15 to +25 °C |
| Relative humidity range | 45 % to 75 % RH |
| Maximum measured error | Greater of 25 mm (1") or 0.25 % of range |
| Operating frequency | 78 to 79 GHz (FMCW) |
| Maximum measurement range (40 m version) | 40 m |
| Maximum measurement range (100 m version) | 100 m |
| Minimum detectable distance | 400 mm |
| Update time (fast response) | up to 10 s |
| Temperature influence on measurement | < 0.003 %/K |
| Dielectric constant (up to 20 m) | minimum dK = 1.6 |
| Dielectric constant (up to 100 m) | minimum dK = 2.5 |
| Memory type | non‑volatile EEPROM |
| Analog output range | 4 to 20 mA (±0.02 mA accuracy) |
| Enclosure material | 316L stainless steel |
| Ingress protection rating | IP68 (Type 4X/NEMA 4X, Type 6/NEMA 6) |
| Weight | 3.15 kg |
The device can be powered from a maximum of 30 V DC, with a loop current of 4 to 20 mA.