Calibration Fundamentals Compare testers and calibrators by function, generated output, measured response, verification method, and the technical decision each device supports. Contents Calibration Guide: Tester vs. Calibrator , What's the Difference? What Is a Tester? What Is a Calibrator? Tester vs. Calibrator: The Main Difference Tester and Calibrator Are Not Interchangeable What Is Calibration? Calibration Does Not Always Mean Adjustment Why Does a Tester Need Calibration? Practical Example: Hardness Tester vs. Calibration Reference Practical Example: Torque Tester vs. Torque Calibration System Why Calibration Traceability Matters Tester vs. Calibrator: Which One Do You Need? Calibration Guide: Tester vs. Calibrator , What's the Difference? When working with measurement equipment, two terms often create confusion: tester and calibrator . They may sound similar because both are associated with measurement and quality control, but they serve different purpose...