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GCA Series AC Operated Gage Heads
GCA Series Gage Heads Rev 6
www.meas-spec.com
2014-January
1/4
? Hermetically sealed housing
? 25 ?/SPAN>-inch [0.6 ?/SPAN>m] repeatability
? IEC IP68 rating to 1,000 PSI [70 bars]
? Long strokes up to ?/SPAN>2 inches
? Hardened tool steel contact tip
? High side load resistance
? Long cycle life
?SPAN class="pst GCA-121-050_2588919_5"> Hi h m r r
DESCRIPTION
The GCA Series heavy-duty gage heads enable high performance in environments containing moisture, dirt, and fluid
contaminants. Gage heads are spring loaded LVDTs (Linear Variable Differential Transformers) with precision linear
bearings.
These robust high-temperature gage heads allow measurements over long strokes up to ? inches [?0.8mm]. The spring
force is typically 9oz [255 grams] at fully compressed electrical stroke. A removable black-chromed, hardened tool steel tip is
threaded (4-48UNF-2A) to the working end. Internal construction prevents the core and shaft from rotating as they move
longitudinally. The integral electrical connector (welded) provides for easy installation and allows replacing a damaged cable
without sacrificing the sensor. Installation and adjustment are facilitated by an external ?20 mounting thread and the two
locknuts supplied with each unit.
Like in most of our LVDTs, the GCA windings are vacuum impregnated with a specially formulated, high temperature, flexible
resin, and the coil assembly is potted inside its housing with a two-component epoxy. This provides excellent protection
against hostile environments such as high vibration and shock.
The ruggedness, long life cycle, and very high reliability of the GCA Series provide the lowest cost of ownership
over the life
of the equipment onto which they are installed. The one-piece front end (barrel which contains the bearing assembly),
machined from solid stainless steel bar, coupled with a bronze bushing, has far greater resistance to bending forces and side
loads compared to other designs. This is particularly important on the longer stroke versions; it reduces the common risk of
probe damage/bending during installation or maintenance of industrial equipment. The GCA Series designs also require
fewer parts and weld joints, thereby increasing overall structural integrity and reliability.
MEAS offers options, such as mating connector plugs, special contact tips (including AGD dial indicator tips), air-
extend/spring retract, and cable assemblies to connect to our signal conditioners. Also see our models with built-in signal
conditioning: GCD (DC voltage), GCD-SE (single-ended DC voltage), GCT (4-20mA 2-wire loop) and GC-485 (RS-485
Digital Series).
Measurement Specialties, Inc. (NASDAQ MEAS) offers many other types of sensors and signal conditioners. Data sheets
can be downloaded from our web site at: http://www.meas-spec.com/datasheets.aspx
MEAS acquired Schaevitz Sensors and the Schaevitz
TM
trademark in 2000.
FEATURES
APPLICATIONS
? All-welded stainless steel construction
? Factor automation
? Resistant to harsh environments
? Industrial rintin e ui ment
? MS t pe connector MIL-C-5015
? Steel mills
? Hi h tem erature
? Metal thickness a in
? Hi h side loadin resistance
? Hi h tem erature a lications
? Lon c cle life
? Environments requiring hermetically sealed
transducers
? Calibration certificate su lied with each unit
? Air extend/spring retract available (Consult factory)
? In-process measurements
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相关PDF资料
GCD-121-500
PRECISION SPRING LOADED LVDT DC
GP.1575.12.4.A.02
ANTENNA GPS PATCH 1575MHZ
GP.1575.15.4.B.02
ANTENNA GPS PATCH 1575MHZ
GP.1575.18.2.A.02
ANTENNA GPS PATCH 1575MHZ
GP.1575.18.4.A.02
ANTENNA PATCH GPS PIN FED
GP.1575.25.2.A.02
ANTENNA GPS PATCH 1575MHZ
GP.1575.25.4.A.02
ANTENNA GPS PATCH 1575MHZ
GP.1575.35.3.A.02
GPS PATCH ANTENNA 1575MHZ
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