ABB LM80 Non-contact Pulsed Laser Level Transmitter for Solids

Product Description

LM80 is ABB mid-range laser level meter adopting pulsed laser technology for silo, tank and bunker level measurement.

It delivers 100m level measuring range and 150m positioning range, narrow laser beam avoids false echoes, supports 4–20mA analog output and relay alarm signal. Equipped with built-in aiming laser pointer, heated lens optional for anti-condensation, aluminum explosion-proof housing with purge port, conformal coated circuit, widely used as replacement spare for mining, grain, chemical and cement storage measurement systems.

Technical Specifications

Model: LM80, Brand: ABB, Origin: Switzerland

Measuring Principle: Pulsed laser ranging, Class 1M normal operation laser

Measuring Range: Max 100m for level; max 150m for positioning

Resolution: 10 mm

Signal Output: 4–20mA continuous analog, single point relay alarm output

Power Supply: 24VDC industrial DC power

Optical Option: Optional heated lens for anti-condensation

Purge Interface: 1/8” NPT built-in air purge port

Mounting: ANSI/DIN dual-standard flange installation, stainless steel dust/cooling tube optional

Operating Temperature: -40℃ ~ +60℃ standard; -40℃ ~ +45℃ with heated lens

Storage Temperature: -40℃ ~ +70℃

Humidity: 5%–95% non-condensing, conformal coated PCB

Protection & Certification: IP67, ATEX / IECEx explosion-proof, CSA, CE compliance

Housing Material: Rugged aluminum alloy enclosure

Net Weight: Approx. 2.1kg

Key Features

Ultra-narrow laser beam without divergence, no false echoes from silo support and falling materials.

Non-contact measuring design with no medium contact, zero wear and long service life for granular solids and opaque liquids.

Built-in aiming laser pointer assists quick alignment on-site, no complicated pre-calibration required.

Dual signal output realizes real-time level transmission and high/low material level interlock alarm simultaneously.

Optional heated lens and air purge port prevent lens condensation and dust accumulation in dusty high-humidity sites.

ATEX/IECEx hazardous area certification, applicable to chemical, grain and mining explosive dust environments.

Multiple standard flange and stainless steel accessory options adapt to various tank, silo and hopper installation conditions.

Wide temperature anti-vibration hardware, stable 24/7 continuous level monitoring under harsh industrial conditions.