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Chicago Dial Indicator

American Made Precision Measuring Products Since 1932

CDI's flagship and most popular model is the Logic IQ, featuring large, easy to read numbers. The Logic IQ is loaded with basic and advanced features and is easy to operate. CDI includes quick sheet instruction, full instructions, and video instructions.

IQ Indicator Features

  • 3 Programmable Presets & 3 Programmable Ratios
  • Absolute/Preset Measuring Mode
  • Incremental Measuring mode
  • SPC Cables USB, MTI, RS232
  • Measuring System in English or Metric
  • Travel Reverse
  • Auto Off
  • Floating Zero
  • Rotating Bezel
  • Internal and External Serial Numbers
  • T.I.R. Measuring with Low & High Storage Recall
  • Power with Batteries
  • Additional Power Options Through AC Jack or Data Output
  • Programmable Lock Combination
  • User Tolerance Settings (high and low)
  • Up to 4 User Changeable Resolutions
  • Inch/Metric display conversion
  • Large LCD Display
  • Maximum Reading Hold
  • Display / Freeze Reading Hold
  • Minimum Reading Hold
  • Extra Large Number Display
  • 200 Measurement Readings can be Stored Inside the Indicator and Viewed on the LCD. Stored Measurement Readings can be Downloaded to a Computer Using the CDI Single Gage Software / USB Cable.

Note: To view all table data, scroll table left and right.


(operator changeable)
.250" .0001"/.002mm Q2500pdf $375.00 Call to Order
.250" .00005"/.001mm Q3500pdf $385.00 Call to Order


(operator changeable)
.600" .0005"/.01mm Q4600pdf $375.00 Call to Order
.600" .0001"/.002mm Q2600pdf $385.00 Call to Order
.600" .00005"/.001mm Q3600pdf $425.00 Call to Order


(operator changeable)
1.0" .0005"/.01mm Q4110pdf $385.00 Call to Order
1.0" .0001"/.002mm Q2110pdf $395.00 Call to Order
1.0" .00005"/.001mm Q3110pdf $445.00 Call to Order


(operator changeable)
2.0" .001"/.02mm Q1720pdf $675.00 Call to Order
2.0" .0005"/.01mm Q4720pdf $685.00 Call to Order
2.0" .0001"/.002mm Q2720pdf $695.00 Call to Order


(operator changeable)
4.0" .001"/.02mm Q1820pdf $995.00 Call to Order
4.0" .0005"/.01mm Q4820pdf $1,035.00 Call to Order
4.0" .0001"/.002mm Q2820pdf $1,075.00 Call to Order
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