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Starrett 3809AC dial test indicator, 1.25 in white face, dovetail mount included

Starrett

Starrett 3809AC Dial Test Indicator 1.25 in White

SKU CH-B6G5-NYY26

Horizontal dial test indicator measures 0 to .03 in range with .0005 in graduations, includes dovetail mounts and .156 in and .078 in contact points

  • 03 in range covers fine alignment tasks
  • 0005 in graduations give high-resolution readings
  • 25 in white dial ensures clear visibility
  • 156 in and 0.078 in contacts suit varied surfaces
  • Dovetail mount attachments allow secure positioning

Starrett 3809AC Dial Test Indicator

The Starrett 3809AC is a horizontal dial test indicator designed for precision measurement tasks in machining and inspection. It offers a measurement range of .03 in with graduations of .0005 in for fine resolution. The 1.25 in white dial features a 0-15-0 reading for clear visibility. It includes dovetail mount attachments for versatile positioning.

Mechanical operation and sustained accuracy

This indicator operates mechanically without electronic components, providing consistent performance during extended use. The mechanical design eliminates drift associated with battery-powered devices during long inspection sessions. The .03 in range per revolution allows full-span measurement in a single turn. The 0-15-0 dial reading simplifies interpretation of deflection direction during sustained monitoring.

Measurement limits and contact points

The indicator measures from 0 in to .03 in maximum, defining its practical range for runout and alignment checks. Two contact points are supplied at .078 in and .156 in diameters for different feature access. The .0005 in graduation represents the finest increment readable on the dial. Buyers needing a larger measurement span or digital output will need a different instrument.

How it compares

Measured against everything we stock in Meters, Testers & Measuring Tools, at today’s prices. Recalculated every night.

Price $183.99
Pricier than about 75% of the 3,030 comparable items (median $54.99).

Specifications

Product
Brand nameSTARRETT

Questions about this item

How much power does the 3809 series mechanical dial indicator draw when used continuously all day?

The 3809 series is a purely mechanical tool with no electrical components, so it draws zero power during continuous use.

What mounting hardware must I already have to attach the 1.25 in dial indicator to my setup?

The set includes dovetail mount attachments, so you only need a compatible dovetail clamp or holder on your existing stand or fixture.

Will the .0005 in graduations on the white dial match the resolution of my older .001 in test indicators?

The .0005 in graduations provide finer resolution than .001 in indicators, allowing you to detect smaller variations alongside older equipment.

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