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Semiconductors
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External Rogowski Coils LEM
Information
Products that are marked "On Order" in the "Available Quantity" column are usually not in stock. Such products are available for purchase, however, due to their limited customer base, they usually have higher minimum quantities. DACPOL offers products that are not in stock for the following reasons: DACPOL currently has a large number of electronic components in stock and adds new products every day, however, tens of thousands of additional components and their various variants are available from our suppliers. Even though it is unreasonable to have all these products in stock due to the limited sales, we believe that it is in the best interest of our customers to make them available. Our goal is to inform customers about the maximum number of products available and enable them to make decisions based on specifications, prices, availability, required minimums and our technical advice. Please note that selecting the "In Stock" checkbox may limit the display to only products available for delivery straight from the shelf.
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External Rogowski coils from LEM are precise current sensors used for non-contact measurement of alternating (AC) and pulsed currents. They operate based on Ampère's law, measuring changes in the magnetic field around the conductor.
Key features:
- Flexibility – they can be easily installed around conductors, even in tight spaces.
- Wide measurement range – suitable for both small and very large currents.
- No saturation effect – unlike traditional current transformers.
- High accuracy – ideal for energy, industrial, and laboratory applications.
- Galvanic isolation – increased safety in high-voltage systems.
Typical applications:
- Current measurement in power supply systems and inverters.
- Power quality (PQ) monitoring.
- Relay protection systems.
- Testing and diagnostics of electrical devices.
LEM Rogowski coils are commonly used in energy, industry, and e-mobility, where reliability and precision are required.