Liquid Level Measurement
Accurate, Reliable Monitoring for Transformer Oil Levels
Maintaining the correct oil level in transformers and oil‑filled electrical equipment is essential for insulation integrity, cooling performance, and long‑term asset reliability.
Insulect supplies a comprehensive range of Liquid Level Measurement Devices from COMEM and Qualitrol, providing accurate, local and remote indication across a wide range of transformer designs and operating conditions.
These devices deliver continuous level indication and alarm functions, forming a critical part of transformer condition monitoring and protection systems.
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Product Range Overview
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Direct-mount mechanical liquid (oil) level indicator. Radial (lever) drive float rod for side-mounted tank applications.
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Provides continuous oil level indication in transformer main tanks, conservators, and load tap changer compartments. A gear-driven float enhances visibility, with integrated switches for alarms and limit control.
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A rugged, gear-driven oil level indicator designed for hazardous transformer environments with integrated alarm and limit control
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Provides continuous liquid level monitoring in transformer tanks, conservators, and load tap changer compartments. Its compact lever-driven float supports up to four switches for alarm and limit control, ensuring reliable performance in demanding environments.
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Provides continuous liquid level monitoring in oil-filled transformer compartments, including main tanks, conservators, and load tap changers. Its rugged design ensures reliability, with integrated switches for alarm and limit control.
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Compact mechanical oil level indicator for small transformers and tap changers. Offers reliable visual monitoring with optional alarm contacts and custom dial graphics.
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Provides continuous liquid level monitoring in transformer tanks, conservators, and load tap changer compartments. Its compact, lever-driven design suits space-limited installations and offers reliable visual indication with customizable dials.
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Rugged, gear-driven device for continuous oil level indication in transformer tanks, conservators, and load tap changer compartments. Its gasket-free, weld-on flange eliminates seal degradation, ideal for harsh and submerged environments.
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Provides continuous liquid level monitoring in transformer tanks, conservators, and load tap changer compartments. Its compact, lever-driven design suits tight spaces and offers reliable indication with customizable dials and pointer travel.
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Hydro-mechanical capillary oil level indicator providing eye-level, accurate readings for high-mounted transformers. Includes microswitches for alarm/control and optional SCADA output, ideal where direct viewing isn’t possible.
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Designed for continuous oil level monitoring in transformer tanks, conservators, and load tap changers, combining a local mechanical gauge with a remote electronic module for visual and electrical outputs. Includes offset and gain adjustment for accurate alignment in hard-to-access installations.
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Mechanical device for real-time oil level monitoring in transformer tanks, featuring adjustable alarm contacts, magnetic coupling to reduce leaks, and optional gas sampling.
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eOLI liquid level indicator enables continuous remote monitoring to detect unexpected oil leaks that could lead to transformer failure.
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Contactless ultrasonic sensor-based liquid level indicator, type CU eOLI, provides continuous, high-accuracy measurement of liquid levels in transformers with or without a rubber bag.
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