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Instruction Sheet

Model 5500A/COIL

50-Turn Current Coil

Introduction

The 5500A/COIL is a 50-Turn Current Coil used as a tool for calibrating clamp-type current meters that operate by two different principles—as current transformers (AC only), and by the Hall Effect (Both AC and DC). It is impractical to calibrate 1000A rated current clamp meters using a 1000A source. How- ever, by using the 50 turns of the 5500A/COIL in conjunction with a current source calibrator one can ef- fectively multiply the current of the current source calibrator by a factor of 50 to support the calibration and verification of these clamp-type current meters.

PWARNING

UNFUSED. Exceeding current and voltage ratings can cause burn or fire hazard.

Using the Coil

Clamp-type current meters operate as current transformers, with differing degrees of magnetic coupling between primary and secondary that vary from meter to meter. The position of the clamp meter with re- spect to the cable also affects the magnetic coupling between primary and secondary of the current trans- former, which causes variation in reading of

the current meter. This is important to under- stand in order to make the most accurate and repeatable measurements. The base of the 5500A/COIL was designed so the current clamp can be centered carefully on the coil, minimizing operator error for best repeatabil- ity. Calibration accuracy to specifications is guaranteed only when proper clamp alignment is made. The clamp current meter should be centered as much as possible on the base dur- ing calibration and verification. If the clamp- type current meter has alignment marks, the alignment marks should align the clamp with the center bundled wire of the 50-Turn 5500A/COIL. (See Figure 1).

Figure 1. Positioning the Clamp

PN 600616 August 1995 Rev.8, 1/09

♥1995-2009 Fluke Corporation. All rights reserved. Printed in U.S.A. Product names are trademarks of their respective companies.

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Fluke instruction sheet Model 5500A/COIL, Turn Current Coil, Introduction, Using the Coil
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5500A specifications

The Fluke 5500A is a highly regarded calibration instrument in the field of electrical measurements, known for its versatility and precision. Designed for both laboratory and field use, this calibrator plays a crucial role in ensuring measurement accuracy across various applications. It is particularly favored for its ability to calibrate a wide range of electrical devices, including multi-meters, oscilloscopes, and other electrical instruments.

One of the standout features of the Fluke 5500A is its ability to generate precise voltage and current outputs. This unit is capable of producing output ranges from microvolt levels up to high-voltage levels, making it suitable for a vast array of calibration tasks. With its high accuracy and stability, the Fluke 5500A ensures that even the smallest discrepancies in measurements can be corrected, contributing to overall equipment reliability.

The Fluke 5500A incorporates advanced technologies that enhance its functionality. Notably, it features a digital display that allows users to easily monitor and adjust the calibration parameters. The intuitive user interface simplifies the calibration process, enabling technicians to perform tasks quickly and efficiently. Additionally, the device supports a variety of output signals, including AC and DC voltage, resistance, and frequency, providing comprehensive testing capabilities.

Another significant characteristic of the Fluke 5500A is its automated calibration capability. This function enables users to run automated sequences, which reduce the time and effort needed for regular calibration tasks. The unit also supports remote control operation, allowing for seamless integration into automated test systems, further enhancing its versatility.

The Fluke 5500A’s robust design ensures that it can withstand the demands of both laboratory and field environments. Built with high-quality components, the device is engineered for durability, making it a reliable choice for calibration and testing in various settings.

In summary, the Fluke 5500A is a state-of-the-art electrical calibrator that combines precision, versatility, and user-friendly features. Its ability to generate various output signals, along with automated calibration capabilities, makes it an essential tool for professionals striving for the highest standards of measurement accuracy. Whether in a laboratory or field environment, the Fluke 5500A stands as a testament to modern calibration technology.
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