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Home » Products » LVDT » Gauge Heads » Spring Loaded Design

Spring Loaded Design

Spring Loaded Design
Spring Loaded Design
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Product Code : GCA-GCD
Product Description

GCA/GCD Series gage head with stainless steel construction enables the GCA/GCD performs in environments containing moisture, dirt and other contaminants. Electronic components are hermetically sealed for added protection against hostile conditions. These are heavy duty, long stroke units with ranges up to ±2.0" (50mm). Maximum spring force is typically 8 oz (226.8g), dependent upon probe position. The working end or probe has a removable chrome plated, hardened tool steel tip threaded to the probe with a 4-48 UNF-2A threading. Schaevitz® replacement and alternate contact tips are available. Tips are also interchangeable with AGD dial indicator tips.

Internal construction prevents the core and shaft from rotating as they move longitudinally. Units terminating into connectors allow for easy cable replacement if damage should occur. Installation and adjustment are facilitated by external threading; locknuts are provided.

GC series gage heads are available in AC and DC versions. AC-operated units utilize external signal conditioning (see the Instrumentation section of this website); DC-operated units incorporate the core, LVDT and all necessary electronics in one housing. Use of monolithic, surface mount circuitry eliminates most of the volume, weight and cost of conventional AC excitation, amplification and demodulation equipment.

Features :

  • CE Compliant (DC Models)
  • All-Welded Construction
  • Resistant to Harsh Environments
  • MS-Type Connector
  • Electronics Hermetically Sealed
  • Calibration Certificate Supplied with Every Gage Head
  • Compatible with All Schaevitz Signal Conditioners
  • Special Contact Tips

Applications :

  • In-Process Measurements to Close Loop with PLC or CNC Controller
  • Environments Requiring Hermetically
  • Sealed Transducers
  • High Temperatures (300oF for AC Units)

Options

  • Mating Connector
  • Special Contact Tips
  • Air Extend, Spring Retract

Technical Specification :

Model Number

GCA-121-050

GCA-121-125

GCA-121-250

GCA-121-500

GCA-121-1000

GCA-121-2000

Gaging Range

+0.050"

+0.125"

+0.250"

+0.500"

+1.000"

+2.00"


+1.27mm

+3.17mm

+6.35mm

+12.7mm

+25.4mm

+50.8mm

Phase Shift

+6

+5

+5

+2

+1

-1

Sensitivity

4.2

2.4

1.6

1.1

0.84

0.34

Impedance

Primary

430

1710

800

900

900

525

Secondary

950

1820

940

1150

2100

535

Pretravel

Inches

0.26

0.30

0.06

0.18

0.01

0.1

Millimeters

6.6

7.6

1.5

4.5

0.3

2.5

Minimum Over travel

Inches

.15

.15

.15

.20

.10

0

Millimeters

3.8

3.8

3.8

5.1

2.5

0

Spring Load (oz)

3.5 to 5.8

3.5 to 5.8

3.5 to 5.8

3.2 to 8.0

3.2 to 8.0

3.2 to 8.0

Gaging Range

99 to 164 g

66 to 164g

99 to 164g

91 to 227g

91 to 227g

91 to 227g

Dimensions

A (+0.01")

Inches

1.9

2.75

3.61

5.29

7.55

20.89

Millimeters

48.3

69.9

91.7

134.4

191.8

276.6

B (+0.03")

Inches

4.33

5.14

6.10

10.75

13.01

20.94

Millimeters

110.0

130.6

154.6

273.1

330.5

531.9

C (+0.02")

Inches

3.27

4.12

4.99

8.27

10.53

16.37

Millimeters

102.1

104.6

126.7

210.1

267.5

415.8

Weight

Ounces

2.2

2.9

3.17

5.0

7.5

13

Grams

64

82

90

142

213

369


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