Test Indicators | McMaster-Carr

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609 Products

Variance Indicators

Dial Lever Variance Indicators

Mitutoyo Dial Lever Variance Indicators

The lever-style contact point pivots as it comes into contact with a surface

20 products

Interapid Dial Lever Variance Indicators

Measure larger ranges than with our other lever-style indicators

21 products

Mitutoyo Dial Lever Variance Indicator Sets

Include additional contact points and mounting accessories

19 products

Economy Dial Lever Variance Indicators

The lever-style contact point pivots as it comes into contact with a surface

4 products

Starrett Dial Lever Variance Indicators

The lever-style contact point pivots as it comes into contact with a surface

6 products

Compact Dial Lever Variance Indicators

The slim design lets you measure in tight spots

2 products

Starrett Dial Lever Variance Indicator Sets

Include attachments for indicator mounting

6 products

Economy Dial Lever Variance Indicators with Jointed-Arm Magnetic-Base Holder

Position the arm by adjusting joints at the top, middle, and bottom

2 products

Economy Dial Lever Variance Indicators with Rigid-Arm Magnetic-Base Holder

Stick the magnetic base onto metal surfaces while measuring

1 product

Starrett Last Word Dial Lever Variance Indicators

Half the dial face is yellow for easy measurement reading

6 products

Starrett Last Word Dial Lever Variance Indicator Sets

Half the dial face is yellow for easy reading; include mounting attachments

6 products

Universal-Shank Starrett Last Word Dial Lever Variance Indicators

Mount these indicators to a lathe tool post or a height gauge

6 products

Electronic Lever Variance Indicators

Read measurements on an LCD instead of a dial

3 products

Dial Plunger Variance Indicators with Magnetic-Base Holder

Mitutoyo Dial Plunger Variance Indicators with Magnetic-Base Holder

Stick the magnetic base onto flat and curved metal surfaces

1 product

Economy Dial Plunger Variance Indicators with Jointed-Arm Magnetic-Base Holder

Position the arm by adjusting joints at the top, middle, and bottom

1 product

Economy Dial Plunger Variance Indicators with Rigid-Arm Magnetic-Base Holder

Twist the fine adjustment knob to precisely position the holder's arm

1 product

Economy Dial Plunger Variance Indicators with Magnetic-Base Holder for Uneven Surfaces Variance

Magnetic pins conform to any shape for mounting on uneven surfaces

1 product

Dial Plunger Variance Indicators with Magnetic-Base Holder

Stick the magnetic base onto metal surfaces while measuring

1 product

Economy Dial Plunger Variance Indicators with Flexible-Arm Magnetic-Base Holder

Bend and flex the ball-and-socket arm of the base to position your indicator

1 product

Dial Plunger Variance Indicators

Mitutoyo Continuous Dial Plunger Variance Indicators

The dial moves clockwise as the plunger extends and retracts

14 products

Economy Dial Plunger Variance Indicators

The dial moves clockwise as the plunger extends and retracts

16 products

Starrett Continuous Dial Plunger Variance Indicators

The dial moves clockwise as the plunger extends and retracts

10 products

Starrett Plus/Minus Dial Plunger Variance Indicators with Calibration Certificate

Determine variance from a baseline without math; come with certificates traceable to NIST

3 products

Mitutoyo Plus/Minus Dial Plunger Variance Indicators

Determine variance from a baseline without doing any math

5 products

Continuous Dial Plunger Variance Indicators with Calibration Certificate

The dial moves clockwise; come with certificates traceable to NIST

24 products

Mitutoyo Continuous Dial Plunger Variance Indicators with Calibration Certificate

The dial moves clockwise; come with certificates traceable to NIST

14 products

Economy Continuous Dial Back Plunger Variance Indicators with Calibration Certificate

The dial moves clockwise; come with certificates traceable to NIST

1 product

Starrett Continuous Dial Plunger Variance Indicators with Calibration Certificate

The dial moves clockwise; come with certificates traceable to NIST

10 products

Combination Dial Plunger Variance Indicators with Calibration Certificate

Take direct and comparative measurements with the same indicator

7 products

Mitutoyo Plus/Minus Dial Plunger Variance Indicators with Calibration Certificate

Determine variance from a baseline without math; come with certificates traceable to NIST

4 products

Plus/Minus Dial Plunger Variance Indicators with Calibration Certificate

Determine variance from a baseline without math; come with certificates traceable to NIST

16 products

Starrett Continuous Dial Back Plunger Variance Indicator Sets

Include clamps, adapters and other accessories

11 products

Starrett Plus/Minus Dial Plunger Variance Indicators

Determine variance from a baseline without doing any math

2 products

Coolant-Resistant Economy Continuous Dial Plunger Variance Indicators

Rated IP65 for protection from dust, spraying water, and coolant

2 products

Starrett Continuous Dial Back Plunger Variance Indicators

The contact point on the back lets you read the dial from above

10 products

Starrett Continuous Dial Back Plunger Variance Indicators with Calibration Certificate

Read the dial from above; come with certificates traceable to NIST

10 products

Antimagnetic Starrett Continuous Dial Back Plunger Variance Indicator Sets

Use near magnetic chucks and other equipment with a magnetic field

11 products

Dial Plunger Variance Indicators with Clamp-On Holder

Economy Dial Plunger Variance Indicators with Clamp-On Holder

Clamp these indicators onto a machine when space is tight

2 products

Economy Continuous Dial Back Plunger Variance Indicators with Clamp-On Holder

Clamp these indicators onto a machine and read the dial from above

1 product

Electronic Plunger Variance Indicators

Mitutoyo Electronic Plunger Variance Indicators

Read measurements on an LCD instead of a dial

21 products

Electronic Back Plunger Variance Indicators with Calibration Certificate

Read measurements on the LCD from above

4 products

Easy-Read Mitutoyo Electronic Plunger Variance Indicators with Calibration Certificate

The larger LCD is easier to read; come with certificates traceable to NIST

29 products

Remote-Reading Compact Electronic Plunger Variance Indicators

Read measurements from up to 4 ft. away

7 products

Quick-Read Mitutoyo Electronic Plunger Variance Indicators with Calibration Certificate

LCD changes color when out of tolerance; come with certificates traceable to NIST

6 products

Economy Electronic Quick-Read Plunger Variance Indicators with Calibration Certificate

The LCD backlighting changes colors when measurements are out of tolerance

5 products

Economy Electronic Plunger Variance Indicators with Rigid-Arm Magnetic-Base Holder

Stick the magnetic base onto metal surfaces while measuring

6 products

Electronic Plunger Variance Indicators with Calibration Certificate

Read measurements on an LCD; come with certificates traceable to NIST

4 products

Easy-Read Mitutoyo Electronic Plunger Variance Indicators

The larger LCD is easier to read than other Mitutoyo indicators

19 products

Starrett Electronic Plunger Variance Indicators with Calibration Certificate

Read measurements on an LCD; come with certificates traceable to NIST

8 products

Mitutoyo Electronic Plunger Variance Indicators with Calibration Certificate

Read measurements on an LCD; come with certificates traceable to NIST

17 products

Starrett Electronic Plunger Variance Indicators

Read measurements on an LCD instead of a dial

6 products

Compact Mitutoyo Electronic Plunger Variance Indicators

The slim design fits in tight spots

9 products

Coolant-Resistant Economy Electronic Plunger Variance Indicators

IP67 rated to seal out dust, coolant, and water from temporary submersion

11 products

Economy Electronic Plunger Variance Indicators

Read measurements on an LCD instead of a dial

3 products

Economy Electronic Plunger Variance Indicators with Magnetic-Base Holder for Uneven Surfaces

Magnetic pins conform to any shape for mounting on uneven surfaces

5 products

Quick-Read Mitutoyo Electronic Plunger Variance Indicators

The LCD backlighting changes colors when measurements are out of tolerance

6 products

Economy Electronic Plunger Variance Indicators with Flexible-Arm Magnetic-Base Holder

Bend and flex the ball-and-socket arm of the base to position your indicator

5 products

Economy Electronic Plunger Variance Indicators with Jointed-Arm Magnetic-Base Holder

Position the arm by adjusting joints at the top, middle, and bottom

5 products

Compact Mitutoyo Electronic Plunger Variance Indicators with Calibration Certificate

The slim design fits in tight spots; come with certificates traceable to NIST

9 products

Economy Electronic Plunger Variance Indicators with Fractional Display

Display readings in fractional and decimal increments

2 products

Water-Resistant Mitutoyo Electronic Plunger Variance Indicators

IP53 rated for limited protection from dust and spraying water

10 products

Water-Resistant Mitutoyo Electronic Plunger Variance Indicators with Calibration Certificate

IP53 rated for dust and spraying water; come with certificates traceable to NIST

10 products

Dial Plunger Variance Indicators with Precision Weighted-Base

Dial Plunger Variance Indicators with Precision Weighted-Base Holder

A flat granite base creates an accurate, stable reference plane

4 products

Other Products

Variance Indicator Contact Points

Attach to your variance indicator to make contact with the workpiece being measured

123 products

Variance Indicator Clamps

Secure and position indicators, arms, and other components on holders

61 products

Variance Indicator Holders

Position and hold variance indicators in place for accurate readings

52 products

Variance Indicator Cases

Specially fitted to store and transport variance indicators

6 products

Variance Indicator Hole Attachments

Fasten to variance indicators to measure inside holes and around obstructions

1 product

Inside/Outside Diameter Gauges

Mount your variance indicator to measure the diameter of rims, grooves, and shallow holes

2 products

Variance Indicator Depth Base Attachments

Insert the stem of your variance indicator to convert it into a depth gauge

7 products

Variance Indicator Contact Point Adapters

Convert variance indicators to work with inch-size contact points or measure hard-to-reach spots

3 products

Variance Indicator Holder Posts

Connect holder bases to clamps to hold variance indicators

5 products

Squareness Gauges

Check frames and machined parts to see if they are leaning or uneven

3 products

Go/No-Go Outside Diameter Gauges

Snap on rods and shafts to check if their outside diameters are within tolerance

16 products

Outside Micrometers

Apply even pressure to objects to measure thickness more precisely than thickness gauges

4 products

Variance Indicator Collets

Hold the stem of plunger-style indicators for custom mounting jobs, such as creating depth gauges

4 products