Waterproof strain gage devices support outdoor measurement
applications where exposure to moisture is possible
MALVERN, Pa.--(BUSINESS WIRE)--
The Micro-Measurements® brand of Vishay Precision Group, Inc.
(NYSE: VPG) (www.micro-measurements.com),
industry experts in the design, development, and manufacture of
resistive-foil sensors for high-precision strain, high-stress and force
mechanism measurements, today introduced the W2A Series – IPX8S rated,
waterproof strain gages that provide protection in applications where
there is exposure to water. As moisture is the most common cause of
field installation failures, the W2A provides long-term defense from
water-exposure, resists harmful chemicals, and allows for immediate and
thorough protection in field environments. Reducing the complexity
involved in strain gage installation, the W2A series comes with built-in
pre-attached leadwires that require no additional sealing protection and
significantly shorten strain gage installation process and time.
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Based on the CEA Series with Option P2 pre-attached cables, W2A strain
gages are fully enclosed between a top silicone rubber coating 0.1
inch-thick and a bottom layer of 0.0005 inch-thick polyimide film. The
0.1 inch-thick silicone rubber coating is soft and comfortable, allowing
bonding to curved surfaces. The coating is rectangular in shape with a
typical border of 0.125 in (3 mm) all around the matrix of the pattern,
depending upon gage size. It can easily be trimmed with a razor blade
when space is limited. The lead wires consist of flat 3 conductor 30 AWG
vinyl material, 10 feet in length and colored red, white, and black.
Moisture protection is rated IPX8S (tested to 10 GΩ insulation
resistance, 1 meter water depth, 30 minutes duration
The W2A Series is ideal for applications in bridge monitoring,
construction sites and projects, outdoor machinery (cranes, agriculture,
etc), oil and gas field machinery, pipelines, and marine applications.
While installations of any other strain gage requires sealing with a
protective coating that is immediately chemically stable, and highly
resistant to water-vapor transmission, the W2A Series is ready to
install in environments that are exposed to water, rain, and
high-humidity and requires no additional sealing protection for most
applications and environments. The versatile W2A series provides the
installation process with protections from mechanical abuse, prevents
oxidation formed on strain gage solder tabs, and can be used in
radiation and vacuum environments. W2A strain gages can significantly
simplify gage installations where field installations are taking place
in inclement weather, especially low temperatures, rain or snow, and
heavy winds; inaccessible gage locations exist and the soldering tab
cannot be reached with a soldering iron; gage installations on plastics,
composites and other materials subject to damage from the heat of
soldering; gage installations in explosive or inflammable environments
where soldering is not permitted.
Further information about Micro-Measurements strain gages and technical
support is available at www.micro-measurements.com.
Follow Micro-Measurements at www.strainblog.com
or on twitter @strain_gage
About Micro-Measurements
Micro-Measurements, a Vishay Precision Group, Inc. (VPG) brand, is
dedicated to the development, manufacture, and marketing of
resistive-foil sensors for high-precision strain measurement.
Micro-Measurements offers a full complement of strain gages, PhotoStress® equipment
and coatings, data acquisition systems, and supplies necessary to obtain
accurate, reliable stress data. Our products are used throughout the
industrialized world — both in the practice of stress measurements
analysis and as the sensing elements in a wide variety of transducers
for measuring physical variables (weight, force, torque, pressure,
etc.). More information about Micro-Measurements is available at www.micro-measurements.com.
About VPG
Vishay Precision Group, Inc. is an internationally recognized designer,
manufacturer and marketer of: components based on its resistive foil
technology; sensors; and sensor-based measurement systems specializing
in the growing markets of stress, force, weight, pressure, and current
measurements. VPG is a market leader of foil technology products,
providing ongoing technology innovations in precision foil resistors and
foil strain gages, which are the foundation of the company’s force
sensors products and its weighing and control systems. The product
portfolio consists of a variety of well-established brand names
recognized for precision and quality in the marketplace. To learn more,
visit VPG at www.vpgsensors.com.
Micro-Measurements and PhotoStress are registered trademarks of VPG
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Source: Vishay Precision Group, Inc.