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Group 4 Metric Dial Indicators
Group 4 Indicators
4I4-002 Dial Indicators
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20 millionths that you can actually read!

The most precise indicator on the planet!

4I4-002 Dial Indicator

Ultra high amplification dial indicators group 4 features

These precise dial indicators maintain linearity and repeatability through millions of cycles. Group 4 indicators feature external zero adjustment knob, making possible to to adjust indicator hand to zero rather than rotating bezel to "zero" hand. As an option, these dial indicators can be used with cable release or lifting lever. Cable release may be used when indicator is back or stem mounted and enhances stability of gaging setup. Use of lifting lever is recommended only when indicator is back mounted.

High amplification movement benefits:

  • Graduation as fine as .00002"
  • Improved readability and minimized judgment error
  • Performance comparable to more expensive gaging methods
  • Convenient portability - no external connections required
  • Interchangeability - can be used in the same environment as any other indicator
  • Simplified service - complete movement is easily removed from the case for cleaning or replacement

Table below lists dial indicators group 4 inch models and technical specifications.

Dial Indicators Group 4 Inch Models
Inch Model4I4-0024I9-0054I4-0054I9-01
Graduation.00002".00005".00005".0001"
Total Travel.004".009".004".009"
Dial.002" - 0 - .002".0045" - 0 - .0045".002" - 0 - .002".0045" - 0 - .0045"
Revolutions1 Rev.1 Rev.1 Rev.1 Rev.
Accuracyless than ± ,00002"less than ± .00005"less than ± .00005"less than ± .0001"
Repeatability± 10 millionths (.00001")± 10 millionths (.00001")± 10 millionths (.00001")± 20 milionths (.00002")

Table below lists dial indicators group 4 metric models and technical specifications.

Dial Indicators Group 4 Metric Models
Metric Model4I01-00005mm4I01-001mm*4I02-002mm
Graduation0.0005mm0.001mm0.002mm
Total Travel0.1mm0.1mm0.2mm
Dial0.05 - 0 - 0.05mm0.05 - 0 - 0.05mm0.1 - 0 - 0.1mm
Revolutions1 Rev.1 Rev.1 Rev.
Accuracyless than ± 0.0005mmless than ± 0.001mmless than ± 0.002mm
Repeatability± 0.0001mm± 0.0002mm± 0.0004mm

* Special order