ABB LM80.A
ABB LM80.A Mid-Range Laser Level Transmitter
The ABB LM80.A is a mid-range laser level transmitter developed by ABB. It uses pulse laser technology to achieve non-contact measurement, suitable for monitoring the level, distance, and positioning of granular solids and opaque liquids.

Main Technical Parameters
Parameter |
Description |
Measuring Range |
Standard 30 m; optional extension up to 100 m (level) or 150 m (positioning) |
Output Signal |
4-20 mA analog signal; optional HART/Modbus (additional configuration required) |
Resolution / Accuracy |
Resolution: 10 mm; Accuracy: ±25 mm (approx. 1 inch) |
Protection Rating |
Aluminum alloy housing, IP65 or higher; CSA/ATEX/IECEx explosion-proof certification |
Dust Protection |
Equipped with P801 dust tube to reduce dust interference with the laser |
Operating Temperature |
Main unit –40 °C to 60 °C; heated lens (optional) –40 °C to 45 °C |
Power Supply |
Standard 24 V DC; optional 110/220 V AC |
Key Features
Non-contact measurement, preventing mechanical wear
Plug-and-play design, ideal for confined or elevated spaces
Long-distance measuring and positioning capability, up to 150 m
Supports multiple communication protocols for easy integration into DCS/PLC systems
Typical Applications
Level monitoring in powder silos and mining silos
Tank level measurement in chemical, metallurgy, and power industries
Facilities requiring long-distance positioning (e.g., tall towers, deep wells)
Installation and Maintenance
Modular structure enables quick on-site installation
Replaceable dust tube extends service life
Remote diagnostics and calibration via standard 4-20 mA signal or HART/Modbus
In summary, the ABB LM80.A, with its high accuracy, long-range capability, robust protection, and flexible communication options, is a reliable solution for level and positioning measurements in industrial environments.
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