Best Test Indicators of 2025

Brian Howie Avatar
Brian Howie
Last Updated: Jan 7, 2025

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Test indicators are precision measuring tools that are commonly used in engineering and manufacturing applications. These devices are used to measure the deflection or deviation of a surface from a reference point, making them ideal for detecting small variations in machined parts or surfaces. Test indicators typically feature a small dial or digital display that provides highly accurate readings, and they are often used in conjunction with other measuring tools such as micrometers and calipers. These devices are available in a variety of designs and sizes, making them suitable for a wide range of applications in industries such as automotive, aerospace, and electronics manufacturing.

At a Glance: Our Top Picks

Neoteck Test Indicator Set Cover #TOP 1
Neoteck Test Indicator Set
ftb score rating icon 9.8
Shars Dial Test Indicator with Fitted Case Cover #TOP 2
Shars Dial Test Indicator with Fitted Case
ftb score rating icon 9.7
Accusize Industrial Tools - 0.03'' by 0.0005'' Dial Test Indicator in Fitted Box Plus 1pc Professional Universal Indicator Holder, P900-S186 Cover #TOP 3
Accusize Industrial Tools - 0.03'' by 0.0005'' Dial Test Indicator in Fitted Box Plus 1pc Professional Universal Indicator Holder, P900-S186
ftb score rating icon 9.5

Top 10 Test Indicators

#TOP 1

Neoteck Test Indicator Set

NTKWT362us
Silver
Neoteck Test Indicator Set Cover
Neoteck Dial Test Indicator with Magnetic Base Stand and Storage Case, 0-0.03"/0.0005" Test Indicator Set with 2 Steel Dovetail Clamps 3/8'' and 5/32'' for Machine Set-Up, Narrow Area Measurement

Neoteck Test Set includes a precise test indicator with a magnetic base stand and steel dovetail clamps. The accurate test indicator measures up to 0.03 inches with an accuracy of 0.0005 inches, ensuring precise measurements. The powerful magnetic base provides a strong hold with a maximum tensile force of 90lbs, making it ideal for machine set-up tasks. The adjustable holder arm allows for flexible positioning, enhancing stability and compatibility with various indicators. This set is perfect for machine set-up and narrow area measurements, offering convenience and accuracy to users.

What We Like
Precise measurements
Strong magnetic base
Adjustable holder arm
#TOP 2

Shars Dial Test Indicator with Fitted Case

Shars
303-3203
White
Shars Dial Test Indicator with Fitted Case Cover
Shars .030" Dial Test Indicator .0005" Graduation in Fitted Case 303-3203 !]

The Shars Dial Test Indicator comes with a fitted case and two dovetail clamps. It has a measuring range of 0.030" with a graduation of 0.0005", and an accuracy of 0.0005". With a dial reading of 0-15-0 and a measuring force of 0.5N, the contact point length is 0.82" and the contact point ball diameter is 0.080". This test indicator is perfect for measuring small distances and can provide precise readings for your projects.

What We Like
Precise measurement readings
Comes with a fitted case for easy storage
Includes two dovetail clamps for added convenience
#TOP 3

Accusize Industrial Tools - 0.03'' by 0.0005'' Dial Test Indicator in Fitted Box Plus 1pc Professional Universal Indicator Holder, P900-S186

Accusize Industrial Tools - 0.03'' by 0.0005'' Dial Test Indicator in Fitted Box Plus 1pc Professional Universal Indicator Holder, P900-S186 Cover
Accusize Industrial Tools - 0.03'' by 0.0005'' Dial Test Indicator in Fitted Box Plus 1pc Professional Universal Indicator Holder, P900-S186

Introducing the Accusize Dial Test Indicator, a versatile tool that offers accurate and quick readings without disturbing your work piece. With a clamping diameter of 1.9488" (49.5mm) and an arm length of 4-1/2", this indicator holder accepts all indicators with a 5/32" shank or dovetail. The frame is designed with 3 bearing pads and an opposite pressure screw to ensure rigidity during mounting. Whether you need to align your work, check spindle perpendicularity, or measure concentricity, this tool has got you covered. Its compact size and fitted box make it convenient to carry and store. Invest in the Accusize Dial Test Indicator and experience the convenience and accuracy it brings to your projects.

What We Like
Versatile
Accurate Readings
Convenient to Carry and Store
#TOP 4

Accusize Industrial Tools Dial Test Indicator

Accusize Industrial Tools Dial Test Indicator Cover
Accusize Industrial Tools 0.03'' x 0.0005'' Dial Test Indicator in Fitted Box, P900-S108

The Accusize Industrial Tools Dial Test Indicator has a range of 0.03" x 0.0005'', which makes it perfect for all-around positioning thanks to its dovetails on top and back. The product comes with two dovetail clamps (3/8'' & 5/32''), and its fully jeweled movement ensures smooth and accurate readings. Additionally, the contact point is adjustable up to 230 degrees, making it versatile and easy to use.

What We Like
Accurate and precise readings
Adjustable contact point
Comes with two dovetail clamps
#TOP 5

Shars Large Black Face Dial Test Indicator

Shars
303-3209-parent
Black
Shars Large Black Face Dial Test Indicator Cover
Shars .030" x .0005" Large Black Face Dial Test Indicator, 0-15-0 Dial Reading, 1.5" Face Diameter 303-3209B P]

This test indicator by Shars has a measuring range of 0.030" and a graduation of 0.0005". The dial reading is 0-15-0. It comes with 2 dovetail clamps (3/8" & 5/32") and a fitted case. This test indicator falls under the category of Test Indicators.

What We Like
Precise measuring
Easy to read dial
Comes with dovetail clamps and fitted case
#TOP 6

Fowler X-Test Test Indicator

52-562-001-0
White
Fowler X-Test Test Indicator Cover
Fowler 52-562-001-0, X-Test Test Indicator with 0-0.060" Measuring Range

The Fowler X-Test Test Indicator features microfine black graduations on a white dial, an adjustable bezel for easy zeroing, and a 1.5" diameter dial with 0.0005" graduations. It also includes 2 dovetail locations, 2 dovetail clamps, and a solid brass anti-magnetic body with a jeweled movement. The automatic reversal for accurate component centering, 210° swivel arc, and easy-to-read tilted dial are also useful features.

What We Like
Easy-to-read tilted dial
Adjustable bezel for easy zeroing
Automatic reversal for accurate component centering
#TOP 7

SHARS .030" Dial Test Indicator .0005" 303-3209

Shars
303-3209
SHARS .030" Dial Test Indicator .0005" 303-3209 Cover
SHARS .030" Dial Test Indicator .0005" 303-3209 !]

The SHARS Dial Test Indicator is a versatile tool designed for precise measurements. With a measuring range of 0.030" and a graduation of 0.0005", this indicator allows you to accurately measure small distances and variations. The dial reading of 0-15-0 provides clear and easy-to-read measurements. The product comes with two dovetail clamps, measuring 3/8" and 5/32", allowing for secure and stable positioning during measurements. The fitted case ensures convenient storage and portability. Whether you're a professional or a DIY enthusiast, the SHARS Dial Test Indicator offers reliable and accurate measurements, making it an essential tool for any workshop or project.

What We Like
Versatile
Precise Measurements
Clear Dial Reading
#TOP 8

Neoteck Dial Test Indicator

NTKWT407us
Neoteck Dial Test Indicator Cover
Neoteck Dial Test Indicator with Storage Case, 0-0.03"/0.0005" Test Indicator with 2 Steel Dovetail Clamps 3/8'' and 5/32'' for Machine Set-Up, Narrow Area Measurement

The Neoteck Test Indicator Kit is a versatile tool designed for machine set-up and narrow area measurements. With its accurate dial test indicator, you can easily measure within a range of 0-0.03 inches with an accuracy of 0.0005 inches. The indicator features a 270° rotating integrated carbide measuring head, allowing for quick and precise measurements. The kit also includes two sturdy steel dovetail clamps, which can be used with a magnetic base stand (not included) for easy installation. The durable construction of the test kit, with its brass body and clear dial plate surface, ensures long-term use and easy reading. Whether you need to determine errors in geometrical form or measure deformation, the Neoteck Test Indicator Kit is a reliable choice for accurate measurements.

What We Like
Accurate measurements
Sturdy steel dovetail clamps
Durable construction
#TOP 9

Starrett Dial Test Indicator

3809A
White
Starrett Dial Test Indicator Cover
Starrett 3809A Precision Dial Test Indicator, 1.25" Dia, 0.030" Range, 0.0005" Grad, White Dial, Dovetail Mount, Includes Case

The Starrett 3809A 12333 Dial Test Indicator is a precision instrument that features a gear-driven design with smooth, jeweled movement. It comes with three dovetail positioning mounts that work with most existing test indicator accessories, and its contact point reverses automatically, always maintaining clockwise hand rotation. The contacts are frictionally adjustable and replaceable, and it meets or exceeds ANSI/ASME accuracy specifications.

What We Like
Precision gear-driven design with smooth, jeweled movement
Three dovetail positioning mounts work with most existing test indicator accessories
Contact point reverses automatically, always maintaining clockwise hand rotation
#TOP 10

Mitutoyo 513-406-10E Horizontal Test Indicator

513-406-10E
Mitutoyo 513-406-10E Horizontal Test Indicator Cover
Mitutoyo 513-406-10E, .0005/0.01mm X .030/0.7mm Horizontal Test Indicator, 0-15-0/0-35-0, Inch and Metric

The Mitutoyo Test Indicator is designed for precision measurement with its advanced features. The jeweled bearings ensure smooth movement, allowing you to take accurate readings effortlessly. Its carbide contact point enhances durability, making it ideal for various materials. With an auto-reverse function, this tool simplifies your work process by eliminating the need for a clutch lever, thus saving you time. Additionally, the glare-free, scratch-resistant crystal protects the display, ensuring you can read measurements clearly in any lighting condition. This combination of features makes it an excellent choice for professionals seeking reliability and ease of use.

What We Like
Smooth operation
Durable contact point
Time-saving auto-reverse
Clear visibility
Buying Guide Image

Frequently Asked Questions (FAQs)

1. How does a test indicator work?

A test indicator, such as a dial test indicator or lever arm test indicator, measures the deflection of its arm. Unlike a standard dial indicator, the probe of a test indicator does not retract but swings in an arc around its hinge point. This allows for precise measurements within a smaller range.

2. What is the difference between a test indicator and a dial indicator?

Test indicators and dial indicators have distinct differences. Test indicators have lever-type contacts, while dial indicators have plunger-type contacts. Additionally, test indicators are smaller and lighter compared to dial indicators. These differences make test indicators more suitable for certain applications where precise measurements within a smaller range are required.

Editor's Notes

During our test indicator research, we found 24 test indicator products and shortlisted 10 quality products. We collected and analyzed 6,592 customer reviews through our big data system to write the test indicators list. We found that most customers choose test indicators with an average price of $77.98.

The test indicators are available for purchase. We have researched hundreds of brands and picked the top brands of test indicators, including Neoteck, Shars, Accusize Industrial Tools, Fowler, Starrett. The seller of top 1 product has received honest feedback from 224 consumers with an average rating of 4.9.

Written by
Brian Howie Avatar

Brian Howie is a content writer and senior industrial designer. After graduation from Westminster College, he has been engaged in product design and manufacturing for 18 years. Brian Howie has always found great pleasure in designing industrial products and sharing his ideas and experience online.