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Overfill Prevention &
Level Sensors

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LOF Overfill Prevention

LOF with LOF 500

Optical Fibre Overfill Prevention

Overfill prevention is a safety device which prevents the overfilling of tanks and process containers. It is an indispensable element for environmental protection whenever working with liquids which are potential water pollutants.

The optical fibre overfill prevention LOF for Zone 0 consists of a level sensor Type LOF and a transducer with alarm system and output terminal Type LOF 500.
LOF with LOF 500

Overfill Prevention
and Level Sensors

Overfill prevention and level sensors from FAFNIR prevent the overfilling of tanks and process containers. They have been designed for liquids of various hazard classes and for measurements in media of varying viscosity and corrosiveness.
Advantages of FAFNIR's Technology:

Completely maintenance-free

Sturdy design
without moving parts

Multifunctional

Independent of pressure, temperature,
density and conductivity

Ease of handling

Easily adjustable
for various tank sizes

Officially inspected

Approval for Zone 0

Information Sheet

LOF with LOF 500
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