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ABB LM80 S 25 – Laser Level Transmitter for Long-Range Industrial Measurement
Product Overview
The LM80 S 25 is an industrial-grade laser level transmitter engineered by ABB for reliable non-contact level and positioning measurement in harsh industrial environments. Adopting advanced laser pulse timing and optimized signal processing technology, this device eliminates false echo interference common in traditional level sensors. It delivers stable and accurate measurement for opaque liquids and granular solids across long distances, solving inaccurate detection issues caused by dust, uneven material surfaces and complex site conditions in chemical, mining and power industries.
Technical Specifications — LM80 S 25
| Parameter | Value |
|---|---|
| Product Model | LM80 S 25 |
| Manufacturer | ABB |
| Product Type | Laser Level Transmitter |
| Power | 24 V DC Industrial Power Supply |
| Communication / Protocol | Standard Analog Signal Output |
| Operating Temperature | -40°C to +60°C Industrial Range |
| Mounting | Bracket/Flange Bolt Mounting |
| Dimensions (HxWxD) | Compact Industrial Enclosure Size |
| Weight | Lightweight Aluminum Construction |
| Typical Interfaces | Field Signal Wiring Interface, 1/8” NPT Purge Port |
| Compliance | Industrial Explosion-Proof and CE Compliance Standards |
ABB LM80 S 25
Key Features and Benefits — LM80 S 25
- Zero beam divergence design effectively avoids false echo signals, ensuring consistent measurement accuracy regardless of material surface angles and shapes.
- Supports long-distance detection, covering 100m for liquid level monitoring and 150m for industrial positioning scenarios, adapting to large storage tanks and high silo applications.
- Robust aluminum alloy enclosure provides excellent mechanical protection and corrosion resistance, suitable for dusty, humid and high-vibration industrial sites.
- Maintenance-free structural design removes routine calibration requirements, reducing on-site operational workload and long-term equipment maintenance costs.
- Built-in standard purge port prevents dust accumulation on the laser lens, maintaining stable detection performance in severe working conditions.
- Intuitive on-site setup simplifies configuration procedures, enabling fast deployment and integration into existing industrial automation systems.
Related Models
LM80 Standard: Basic laser level transmitter with standard measuring range for general industrial level monitoring scenarios.
LM80 High-Temp: Modified version with enhanced temperature resistance for high-temperature industrial production environments.
LM80 Explosion-Proof: Explosion-proof certified model dedicated for flammable and explosive chemical and petrochemical sites.
LM80 Compact: Miniaturized structural design for installation-limited small-scale industrial equipment measurement.
Installation and Maintenance — LM80 S 25
Install the device on a stable vertical bracket or flange to avoid direct impact from falling materials and strong light exposure, which may affect laser detection precision. Reserve sufficient ventilation space around the equipment to prevent heat accumulation during long-term operation. Use shielded signal cables for wiring and complete standard grounding procedures to reduce electromagnetic interference.
Daily maintenance only requires regular inspection of lens cleanliness and mounting bolt tightness. Utilize the built-in purge port for regular dust cleaning to keep laser transmission unobstructed. No periodic calibration is needed under normal operating conditions, which greatly optimizes field operation efficiency and extends service life.
