Which statement about torque wrenches is essential for maintaining accurate readings?

Which statement about torque wrenches is essential for maintaining accurate readings?

• A. Must be calibrated
• B. Are disposable
• C. Do not require calibration
• D. Only used for measurement, not torque

Answer: (B)

Accurate torque readings come from regular calibration. The mechanism inside a torque wrench can drift over time due to spring wear, gear wear, or temperature changes, so the number you see on the dial or display might not match the actual torque being applied. Calibration checks the wrench against a known torque standard and adjusts it so the indicated value matches the true torque. This is why torque wrenches are not disposable tools—they require periodic calibration or recalibration, especially after rough handling, dropping the tool, or after a specified usage interval. In critical or safety‑sensitive applications, manufacturers and quality systems specify how often calibration should occur to keep readings trustworthy; even small errors can lead to under- or over-torqued fasteners with serious consequences. Regular calibration keeps the tool’s readings reliable and consistent across uses.

Accurate torque readings come from regular calibration. The mechanism inside a torque wrench can drift over time due to spring wear, gear wear, or temperature changes, so the number you see on the dial or display might not match the actual torque being applied. Calibration checks the wrench against a known torque standard and adjusts it so the indicated value matches the true torque. This is why torque wrenches are not disposable tools—they require periodic calibration or recalibration, especially after rough handling, dropping the tool, or after a specified usage interval. In critical or safety‑sensitive applications, manufacturers and quality systems specify how often calibration should occur to keep readings trustworthy; even small errors can lead to under- or over-torqued fasteners with serious consequences. Regular calibration keeps the tool’s readings reliable and consistent across uses.