SIStec SL3 ABB LM80 LASER

Description

SIStec SL3 ABB LM80 LASER Level Transmitter（30M Range, 4-20mA, With P801 Dust Tube）产品分析

一、产品概述

ABB LM80激光液位变送器是一款非接触式、高精度物位测量设备，适用于固体颗粒、不透明液体及粉尘环境。该型号配置30米量程、4-20mA输出信号，并集成P801防尘管（Dust Tube），专为恶劣工况设计。

二、关键技术参数

1. 量程：30米（标准配置），最大可选100米（物位测量）或150米（定位应用）。
2. 输出信号：4-20mA模拟信号，支持HART或Modbus协议（需额外配置）。
3. 精度：分辨率10mm，精度±25mm（1英寸）。
4. 防护等级：
   • 外壳：坚固铝制，CSA、ATEX、IECEx防爆认证。
   • 防尘管（P801）：专为粉尘环境设计，减少灰尘对激光束的干扰。
5. 工作温度：
   • 设备本体：-40°C至60°C（-40°F至140°F）。
   • 加热透镜选项：-40°C至45°C（-40°F至113°F）。
6. 供电：24VDC（标准），可选110/220VAC。

三、产品特点

1. 非接触式测量：
   • 避免物料粘附或磨损，适合腐蚀性、高温或粘稠介质。
2. 抗干扰能力强：
   • 小光束发散角（<0.3°），无虚假回波，适用于复杂结构（如筒仓、反应釜）。
3. 安装便捷：
   • 按键或HART通讯协议配置，支持ANSI/DIN法兰、不锈钢外壳等选项。
4. 防尘设计：
   • P801防尘管有效隔离粉尘，延长设备寿命，降低维护成本。

四、应用场景

1. 化工行业：反应釜、储罐液位监测。
2. 矿业：矿石、煤堆料位测量。
3. 粮食仓储：粮仓、筒仓的谷物高度监测。
4. 粉尘环境：水泥厂、发电厂等高粉尘工况。

五、系统集成与优势

• 信号输出：4-20mA信号直接接入PLC/DCS系统，兼容主流工业协议。
• 防爆认证：CSA、ATEX、IECEx认证，适用于危险区域。
• 维护成本低：无移动部件，免维护设计，降低停机风险。

六、注意事项

1. 粉尘环境适配：P801防尘管需定期检查，确保无堵塞。
2. 安装角度：激光束需垂直对准物料表面，避免斜射导致误差。
3. 环境温度：高温环境需选配加热透镜，防止冷凝影响测量。

七、总结

SIStec SL3 ABB LM80 LASER Level Transmitter 是一款专为恶劣工况设计的高精度液位变送器，30米量程、4-20mA输出及P801防尘管的组合，使其在粉尘、腐蚀性介质等场景中表现卓越。其非接触式测量、抗干扰能力强及免维护特性，显著提升了工业物位监测的可靠性与效率。

Product Analysis of SIStec SL3 ABB LM80 Laser Level Transmitter (30M Range, 4-20mA, With P801 Dust Tube)

1、 Product Overview

The ABB LM80 laser level transmitter is a non-contact, high-precision level measurement device suitable for solid particles, opaque liquids, and dust environments. This model is equipped with a 30 meter range, 4-20mA output signal, and integrated with P801 dust tube, designed specifically for harsh working conditions.

2、 Key technical parameters
Range: 30 meters (standard configuration), up to 100 meters (level measurement) or 150 meters (positioning application) can be selected.
Output signal: 4-20mA analog signal, supporting HART or Modbus protocol (requires additional configuration).
Accuracy: Resolution 10mm, accuracy ± 25mm (1 inch).
Protection level:
Shell: sturdy aluminum, CSA, ATEX, IECEx explosion-proof certification.
Dustproof tube (P801): specially designed for dusty environments to reduce the interference of dust on laser beams.
Working temperature:
Equipment body:- 40 ° C to 60 ° C (-40 ° F to 140 ° F).
Heating lens option:- 40 ° C to 45 ° C (-40 ° F to 113 ° F).
Power supply: 24VDC (standard), optional 110/220VAC.
3、 Product Features
Non contact measurement:
Avoid material adhesion or wear, suitable for corrosive, high-temperature or viscous media.
Strong anti-interference ability:
Small beam divergence angle (<0.3 °), no false echoes, suitable for complex structures such as silos and reactors.
Easy installation:
Button or HART communication protocol configuration, supporting options such as ANSI/DIN flange and stainless steel casing.
Dustproof design:
The P801 dust pipe effectively isolates dust, extends equipment life, and reduces maintenance costs.
4、 Application scenarios
Chemical industry: liquid level monitoring of reaction vessels and storage tanks.
Mining: Measurement of ore and coal pile levels.
Grain storage: Monitoring the height of grains in grain warehouses and silos.
Dust environment: high dust conditions such as cement plants and power plants.
5、 System Integration and Advantages
Signal output: 4-20mA signal directly connected to PLC/DCS system, compatible with mainstream industrial protocols.
Explosion proof certification: CSA, ATEX, IECEx certification, suitable for hazardous areas.
Low maintenance cost: no moving parts, maintenance free design, reducing downtime risk.
6、 Precautions
Dust environment adaptation: P801 dust pipes need to be regularly inspected to ensure no blockage.
Installation angle: The laser beam should be vertically aligned with the surface of the material to avoid errors caused by oblique shooting.
Environmental temperature: Heating lenses should be selected for high temperature environments to prevent condensation from affecting measurements.
7、 Summary

SIStec SL3 ABB LM80 Laser Level Transmitter is a high-precision liquid level transmitter designed specifically for harsh working conditions. Its combination of a 30 meter range, 4-20mA output, and P801 dust tube enables it to perform excellently in dust, corrosive media, and other scenarios. Its non-contact measurement, strong anti-interference ability, and maintenance free characteristics significantly improve the reliability and efficiency of industrial level monitoring.