Description
LM80 ABB Central control module
Product Dimensions:
Product Description
The LM80 is engineered for challenging applications where traditional ultrasonic or radar technologies may struggle, such as narrow, tall silos or vessels with complex internal structures. Because it uses a narrow, high-speed laser beam, it does not suffer from beam divergence, making it highly effective at measuring through gaps or past obstacles.
Product Parameters
| Feature | Specification |
| Measurement Principle | Time-of-flight (pulsed laser) |
| Range (Level) | Up to 100 m (330 ft) |
| Range (Positioning) | Up to 150 m (500 ft) |
| Accuracy | ±30 mm (1.2 in) |
| Resolution | ±10 mm (0.4 in) |
| Operating Voltage | 24 V DC (18–32 V DC) |
| Operating Temp | -40°C to +60°C |
| Output | 4–20 mA continuous and SPST relay outputs |
| Enclosure Rating | IP66 (Powder-coated aluminum or 316 stainless steel) |
Product Advantages
- Superior Accuracy: The narrow laser beam minimizes false echoes caused by vessel walls or internal obstructions.
- Versatility: Measures any clearly visible surface (solids or opaque liquids) regardless of the material’s dielectric constant or angle of repose.
- Maintenance-Free: Being a non-contact sensor, there are no moving parts, and it requires no recalibration.
- Easy Alignment: Features a built-in visible laser pointer to ensure the sensor is aimed correctly toward the bottom of narrow vessels during installation.
- Hazardous Area Certified: Available with certifications for potentially explosive atmospheres (ATEX, IECEx, and CSA).
Product Applications
The LM80 is ideal for industries requiring reliable level monitoring in large storage vessels:
- Mining & Aggregates: Monitoring levels of ore, coal, and crushed materials.
- Agriculture & Food: Measurement of grains, coffee, sugar, and animal feed.
- Chemical & Plastics: Tracking levels of plastic pellets, powders, and opaque liquids.
- Water & Wastewater: Monitoring levels in challenging, confined or narrow infrastructure.
Precautions
- Surface Visibility: The device requires the target surface to be “visible.” It performs best on solid materials and opaque liquids; it is not suitable for transparent liquids or materials that do not reflect light well.
- Dust & Condensation: While it includes “Last Pulse Detection” for moderate dust, extremely heavy dust environments may require the optional non-condensing heated optics or dust tubes to keep the lens clean and prevent signal degradation.
- Laser Safety: The device utilizes a Class 1M or Class 3R laser (depending on the specific configuration). Avoid staring directly into the laser beam or viewing it with optical instruments.
- Installation: Ensure the mounting position is clear of direct material inflow, as dust and falling material can temporarily obscure the laser path during filling cycles.
Shipping Port: Xiamen, China
Payment: Bank of Chicago, Bank of Singapore
Express cooperation: fedex, DHL, UPS and your express account
Service: Professional Sales provides 24 hours /7 days online service
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