Calibrators | McMaster-Carr

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1,825 Products

Measuring and Inspecting

Gauge Blocks

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

Micrometer Check Gauges

Micrometer Check Gauges

Confirm the anvil is parallel and measure the amount of wear on your micrometer

Calibration Rods

Calibration Rods

Check and set micrometers and other measuring tools

Plug Gauges

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

Caliper Calibration Checkers

Caliper Calibration Checkers

Test your caliper's accuracy

Variance Indicator Calibration Testers

Variance Indicator Calibration Testers

Check the accuracy of variance indicators to ensure precise readings

Calibration Squares

Calibration Squares

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

Test Weights

Place on or hang from your scale to calibrate it

Counterbalance Weights

Counterbalance Weights

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

Electrical Monitor Calibrators

Electrical Monitor Calibrators

Check the accuracy of electrical sensors and measuring instruments

Multimeters

Take current, voltage, resistance, and other electrical measurements

Metal Detector Calibration Kits

Metal Detector Calibration Kits

Test the sensitivity of food-processing metal detectors

Hardness Calibration Test Blocks

Hardness Calibration Test Blocks

Confirm testers are accurate for a specific Rockwell or Brinell hardness

Hardness Testers

Hardness Testers

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

Buffer Solutions

Buffer Solutions

Calibrate chemistry sensors to maintain their accuracy

Calibration Columns

Calibration Columns

Calibrate the flow rate of metering pumps

Tire Pressure Test Gauges

Tire Pressure Test Gauges

Calibrate the accuracy of tire pressure and tire inflation gauges

Fluid Handling

Test Pumps

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

Pressure Test Gauges

Pressure Test Gauges

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

Vacuum Test Gauges

Vacuum Test Gauges

Verify that equipment is taking accurate vacuum measurements

Facility and Grounds Maintenance

pH Meter Storage Solutions

pH Meter Storage Solutions

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

pH Sensor Cleaners

pH Sensor Cleaners

Remove grease, protein, and other deposits from pH sensors

Fabricating and Machining

Setup Blocks

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

Material Handling

Robot Tool Calibration Styli

Robot Tool Calibration Styli

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

Weight Bags

Hold down equipment and balance loads for stability when lifting them

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)