3753B-12/300 Electronic Depth Gage 12694

The 3753B Electronic Depth Gage is a versatile, easy-to-use tool for measuring depth, slot width, small section sizes and other applications. The gage provides an IP67 level of protection against foreign matter in a hostile shop environment and has an extra-large LCD for excellent readability. It also offers RS232 output to work with Datasure Wireless Systems as well as with cable-based products.


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  • Clear, easily-read numbers, properly sized for the tool
  • Hardened stainless steel body and slide for long life
  • Fine adjustment thumb roll for precision measurements
  • Lock to hold the slide in position
  • Hardened base is 3-15/16" (99mm) long, but optional base extensions of 7" and 12" (175 and 300mm) are available.
  • Spacing between holes is 2-3/4" (70mm).
  • Hook attachment, to take readings from the edge of a work piece to edges of slots, grooves, shoulders, and other I.D. length dimensioning.
  • The removable hook has the screw permanently attached to prevent loss.
  • One-year minimum battery life with furnished 3-volt battery, CR2032
  • Inch/millimeter conversion
  • Zero at any position
  • Automatic shutoff after 30 minutes of non-use without loss of position upon reactivation
  • Linear accuracy :+/- .001" (0.03mm)
  • .0005" (0.010mm) resolution


  • Range (in): 0" to 12"
  • Range (mm): 0mm to 300mm
  • Resolution (in): .0005"
  • Resolution (mm): 0.01mm