Calibrators | McMaster-Carr

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2,845 Products

Most Likely Products

Gauge Blocks

Confirm dies, fixtures, and other workpieces meet precise tolerances and calibrate measuring tools

738 products

Electrical Monitor Calibrators

Check the accuracy of electrical sensors and measuring instruments

1 product

Micrometer Check Gauges

Confirm your outside or depth micrometers are accurate

7 products

Test Pumps

Force air or liquid through your system to look for leaks; often called hydrostatic test pumps

15 products

Plug Gauges

Verify the diameter or threads of machined holes in finished parts; also called pin gauges

1,027 products

Variance Indicator Calibration Testers

Check the accuracy of variance indicators to ensure precise readings

1 product

Test Weights

Place on or hang from your scale to calibrate it

210 products

Metal Detector Calibration Kits

Test the sensitivity of food-processing metal detectors

1 product

Calibration Rods

Check and set micrometers and other measuring tools

31 products

All Results

Measuring and Inspecting

Gauge Blocks

Confirm dies, fixtures, and other workpieces meet precise tolerances and calibrate measuring tools

738 products

Micrometer Check Gauges

Confirm your outside or depth micrometers are accurate

7 products

Plug Gauges

Verify the diameter or threads of machined holes in finished parts; also called pin gauges

1,027 products

Variance Indicator Calibration Testers

Check the accuracy of variance indicators to ensure precise readings

1 product

Calibration Rods

Check and set micrometers and other measuring tools

31 products

Caliper Calibration Checkers

Test your caliper's accuracy

2 products

Bore Gauge Calibrators

Set and check the accuracy of two-point bore gauges

1 product

Bore Gauges

Insert into a hole and expand the contacts to measure diameter

2 products

Calibration Squares

Lay horizontally or vertically on CNC machines to check the position of tools with high precision

2 products

Calibration Spheres

Test your CMM probe and stylus against a precise reference point before you start inspecting

2 products

Height Gauge Calibrators

Ensure height gauges are accurate

3 products

Electrical Monitor Calibrators

Check the accuracy of electrical sensors and measuring instruments

1 product

Multimeters

Take current, voltage, resistance, and other electrical measurements

4 products

Metal Detector Calibration Kits

Test the sensitivity of food-processing metal detectors

1 product

Hardness Calibration Test Blocks

Confirm testers are accurate for a specific Rockwell or Brinell hardness

13 products

Hardness Testers

Determine the Rockwell, Brinell, or Durometer hardness of any material

2 products

Test Weights

Place on or hang from your scale to calibrate it

210 products

Counterbalance Weights

Add to the end of a beam scale to increase how much it can weigh

6 products

Calibration Columns

Calibrate the flow rate of metering pumps

14 products

Buffer Solutions

Calibrate chemistry sensors to maintain their accuracy

26 products

Color Calibrators

Calibrate your color meter to identify colors with precision

1 product

Light Meters

Measure light quality and intensity

1 product

Color Meters

Ensure consistent coloring on products such as labels and packaging

1 product

Tire Pressure Test Gauges

Calibrate the accuracy of tire pressure and tire inflation gauges

1 product

Sound Calibrators

Make sure your sound level monitor or tester provides reliable readings

2 products

Lathe Alignment Bars

Confirm that your lathe headstock and tailstock are aligned for accurate machining

1 product

Fluid Handling

Test Pumps

Force air or liquid through your system to look for leaks; often called hydrostatic test pumps

15 products

Pressure Test Gauges

Check and calibrate pressure gauges, transmitters, and equipment to maintain accuracy

60 products

Vacuum Test Gauges

Verify that equipment is taking accurate vacuum measurements

8 products

Fabricating and Machining

Setup Blocks

Use as mounting bases and supports to ensure accurate angles and spacing

6 products

Facility and Grounds Maintenance

pH Sensor Cleaners

Remove grease, protein, and other deposits from pH sensors

1 product

pH Meter Storage Solutions

Prevent pH meters from drying between uses to extend their service life

1 product

Material Handling

Robot Tool Calibration Styli

Calibrate robot arm movement for precision in tasks such as attaching fasteners

1 product

Weight Bags

Hold down equipment and balance loads for stability when lifting them

5 products

Fastening and Joining

Rivet Nut Tools

Install rivet nuts

1 product