Fluke Introduces A40B Precision Current Shunt Set for Directly Measuring Current in the Laboratory

EVERETT, WA, Sep 02 (MARKET WIRE) --
Fluke Corporation has introduced the Fluke A40B Precision Current Shunt
Set, an array of precision devices designed to simplify the task of
making precision current measurements in the laboratory.

The Fluke A40B Precision Current Shunt Set consists of 14 low-inductance
coaxial current shunts, adapters and connectors, and a rugged
transit/storage case. Designed for currents from 1mA to 100A, the current
shunts are for laboratory use in making directly measured absolute AC or
DC current measurements as well as AC/DC current transfer measurements.

The shunts enable users to directly measure current with higher accuracy
than previous commercially available shunt technology, thanks to their
outstanding resistance value stability, excellent self-heating power
coefficient and low temperature coefficient. Users can make precision
measurements in a single step process, rather than by more complex
traditional AC/DC transfer methods.

The physical construction and the components used in the current shunts
ensure that the frequency response is very flat (amplitude displacement
error relative to DC resistance). The phase displacement at 100 kHz is
negligible in all but the highest accuracy measurements. With their
excellent DC resistance stability, the shunts can be used to directly
measure current through their full bandwidth.

These characteristics make the Fluke A40B shunts ideal for traditional
precision current applications such as calibrator verification. The wide
current range allows verification of high current transconductance
amplifiers. The low phase shift error is critical for measuring
non-sinusoidal wave shapes, as found in power quality or sampling digital
wattmeter measurement applications.

Technical Overview

The shunts come in four different sizes. The full set includes
the
following:

-- four fully enclosed shunts: 1 mA, 10 mA, 20 mA, 50 mA
-- five small size radial shunts: 100 mA, 200 mA, 500 mA, 1 A, 2 A
-- three medium size radial shunts: 5 A, 10 A, 20 A
-- two large size radial shunts: 50 A, 100 A

Voltage output is nominally 0.8 volts for the nominal rated current
input. The output is measured by a voltmeter or detector, such as
precision voltmeters, AC measurement standards, AC/DC transfer standards,
or thermal voltage converters, fitting them to a wide variety of metrology
applications. Shunt resistance is designed to minimize interaction with
detector instrumentation.

The radial style shunt design gives high performance with minimal external
magnetic fields. Plus, the open nature of the physical design maximizes
air flow so the shunts have a minimal power coefficient effects. This
permits each shunt to be used over a wide range of currents with stable
resistance characteristics.

Each Fluke A40B Precision Current Shunt comes standard with a report of
traceable calibration including data. As an optional service, 17025A
accredited reports of calibration are available. The set includes a
variety of connectors and adapters to enable connection to other test
instruments. A fiberglass case is available for transportation and
storage.

Individual shunts range in price from $1,850 to $9,995. The set of 14
shunts, with cables, adapters and the transit case, lists at $47,495.

Fluke Corporation

For more information on the Fluke A40B Series of Precision Current Shunts
or to find the location of the nearest distributor, contact Fluke
Corporation, P.O. Box 9090, Everett, WA USA 98206, call (800) 44-FLUKE
(35853), fax (425) 446-5116, e-mail fluke-info@fluke.com or visit the
Fluke Web site at: http://www.fluke.com.

About Fluke

Fluke Corporation is the leader in compact, professional electronic test
tools. Fluke customers are technicians, engineers, electricians,
metrologists and building diagnostic professionals who install,
troubleshoot, and manage industrial electrical and electronic equipment
and calibration processes for quality control as well as conducting
building restoration and remediation services. Fluke is a registered
trademark of Fluke Corporation in the United States and/or other
countries. The names of actual companies and products mentioned herein
may be the trademarks of their respective owners.

For more information
Larry Wilson, APR
Public Relations Manager
Fluke Corporation
(425) 446-5671
Email Contact

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