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When to Use rogowski flex coil current and power meters manufacturer？

Apr. 29, 2024

Rogowski Coil Flexible Current Transformers

Standard & Custom Output

Multiple options of output ratio such as 100mV/1000A, 40mV/1000A, 25mV/1000A, 10mV/1000A

Compatible with Acuvim II, Acuvim IIBN, Acuvim L, AcuRev 2100, and AcuRev 1310 series power meters, the flexible CT directly connects into the energy meter just like a standard split-core or solid-core CT.

If you want to learn more, please visit our website pathtechco.

Range Calibrated to*

RCTxx-200 1A - 240A RCTxx-500 2.5A - 600A RCTxx-1000 5A - 1200A RCTxx-2500 12.5A - 3000A RCTxx-5000 25A - 6000A RCTxx-10000 50A - 12000A RCTxx-50000 250A - 60000A RCTxx-Custom Output any ratio of signal per your requirement. Contact Us

*”xx” denotes length of current transformer coil
This table of current sensing range only applies when coil directly connect with Accuenergy meters. Otherwise the sensing range is 5A to 50,000A

Patrol Flex Rogowski Coil | Setra Systems

Offered in 12”, 24” and 36” lengths, the Patrol Flex is the most accurate Rogowski Coil in submetering. Rogowski Coils offer significant installation advantages over split-core CT’s because of their light weight, wide current range (10-4000+ Amps), mechanical flexibility for mounting in tight quarters and easy placement around cable bundles or large busbars. The Patrol Flex leads can be extended up to 100’ without degrading the accuracy of the unit.

0.5% Revenue Grade Accuracy - Setra partnered with Fluke to deliver the Patrol Flex CT; the highest performance Rogowski coil in submetering. The Patrol Flex Rogowski Coil is calibrated to better than 0.5% accuracy for use in revenue grade (tenant billing) applications.

Save Money on Installation - Installers can save significant time and labor using the Patrol Flex due to its flexibility and ease of surrounding conductors or all sizes. Selecting a Rogowski Coil instead of a conventional split-core CT can save the installer over two hours per meter point in a challenging installation, which could be the difference between making and losing money on a job.

Wide Current Range = Reduced Shipping Costs - A typical 100A CT weighs 2 lbs, however as the current range expands to 3,000A the average weight can increase from 2lbs to 20 lbs. Considering three CT’s are required to monitor a 3-phase motor, certain applications could require up to 65lbs of shipping weight per meter point; a serious waste of shipping dollars. The Patrol Flex Rogowski Coil has a current range of 5-4,000A and up, yet weighs less than 1/2 lb, drastically reducing freight costs.

Best in Class Linearity - Conventional CT’s are wound over a magnetic iron core, which makes them more susceptible to saturation leading to linearity error. Engineers and contractors must adjust the phase shift of the meter to compensate in order to achieve an accurate reading. Rogowski Coils are wound over a non-magnetic core, giving them perfect linearity and improved accuracy over wide current ranges.

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