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LM3 LM4 GSIA – GIA – GTIA – Level switches with 3 or 4 floats

The LM3 and LM4 multi float level switch delivers precise multi-point liquid monitoring for industrial tanks and fluid systems. Built with corrosion-resistant stainless steel, it ensures durability in demanding environments. Ideal for water, oil, and chemical applications, this level control solution improves automation accuracy and operational safety. Designed for global industrial use, it supports reliable performance across diverse process conditions.

Category Level
Brand Elettrotec
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Technical details and application highlights

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The LM3 and LM4 multi float level switch is engineered for accurate and reliable liquid level monitoring in industrial environments. Designed for tanks, reservoirs, and process systems, this advanced level control solution uses multiple floats to detect different liquid levels with precision. Its stainless steel construction ensures durability, corrosion resistance, and long service life in demanding applications such as water treatment, chemical processing, and oil storage systems.

Key Features

This industrial multi float level switch provides three or four actuation points, allowing operators to monitor multiple liquid levels within a single system. Its robust design supports consistent performance in high-pressure and varying temperature conditions. The device is suitable for a wide range of fluids, including water, oils, and light chemicals, making it a versatile solution for industrial automation.

Design & Functionality

The LM3 and LM4 models feature a vertical mounting design with multiple floats positioned along a stem. Each float activates a reed switch at predefined levels, enabling precise control and monitoring. Available mounting options include threaded and flange connections, ensuring compatibility with different tank configurations. The stainless steel AISI 316 body and floats provide excellent resistance to corrosion and harsh industrial environments.

Total Crossed Beams

The system integrates multiple switching points that function independently, ensuring accurate detection of rising or falling liquid levels. This multi-point detection improves operational efficiency and reduces the need for multiple single-point sensors.

Beam Pitch Options

The spacing between floats can be configured based on application requirements, allowing customized level detection for different tank sizes and process needs. This flexibility enhances system adaptability across industries.

Intrinsic Synchronism

The float mechanism operates with synchronized switching actions, ensuring consistent signal output and reducing the risk of false readings. This enhances system reliability in automated control environments.

Operational Advantages

Using a multi float level switch reduces installation complexity and maintenance costs by replacing multiple sensors with a single device. It improves process control, enhances safety, and ensures accurate level monitoring in industrial operations. Its durable construction and high-performance design make it a preferred choice for engineers and plant operators worldwide.

Parameter

Specification

Body materialStainless steel AISI 316
Float materialStainless steel AISI 316
Mounting materialStainless steel AISI 316
Actuation pointLM3 – 3 floats / LM4 – 4 floats (NC/NO)
MountingGSIA – Thread G3/8” / GIA – Flange Ø92 / GTIA – Thread G2”
Electrical connectionGSIA – 500mm lead wires / GIA & GTIA – Junction box IP65
Switching capacity60W/VA
Current0.8A (resistive)
Voltage220V – 50Hz
Temperature range-10°C to +80°C
Max pressure10 bar
Fluid specific gravity0.7 kg/dm³
Fluid viscosity150 cSt
CertificationRINA – Lloyd’s Register – Germanischer Lloyd
SizeMax length 2500 mm
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