SITRANS LU 01 is a long-range single-point liquid level transmitter that can be used for liquid monitoring, with a maximum measurement range of 60m. It features easy installation, a detachable infrared keyboard for programming (optional), compatibility with all Echomax ultrasonic sensors, and a backlit LCD display for standard engineering unit readings. It also has a liquid level-volume conversion function. It is suitable for applications such as chemical storage tanks, liquid storage tanks, various containers, and slurries.
The SITRANS LU01 and LU02 are long‑range ultrasonic level transmitters designed for measuring liquid or slurry levels up to 60 m. They support single‑point (LU01) or dual‑point (LU02) measurement and can be installed up to 365 m from the sensor.
The manual provides detailed information on technical specifications, wiring diagrams, communication options (RS‑485, FS‑232, analog 4‑20 mA), power supply choices, environmental ratings, and optional accessories such as infrared hand‑set and external temperature sensors. This manual is written in Chinese.
| Measurement range | 0.3 ~ 60 m |
|---|---|
| Number of measurement points | LU01: up to 1 point; LU02: up to 2 points |
| Output signal | 4 ~ 20 mA isolated |
| Measurement error | 0.25 % of range or 6 mm (whichever larger) |
| Temperature compensation | 0.1 % of range or 2 mm (whichever larger) |
| Operating temperature | -50 ~ 150 °C |
| Enclosure material | Polycarbonate |
| Protection rating | IP65 |
| Power supply (AC) | 100‑115/200/230 VAC, 31 VA |
| Power supply (DC) | 18 ~ 30 VDC, 25 W |
The transmitters can measure distances from 0.3 m up to 60 m.
The LU01 supports up to one measurement point, while the LU02 supports up to two points.
The device has an IP65 protection rating suitable for wall‑mounting.