1. a device, tool, or instrument used to calibrate or adjust another instrument to ensure accuracy or proper functioning
Usage: commonly used in scientific, technical, and industrial contexts
2. a person who calibrates instruments or equipment
Usage: less common than the tool sense

Examples

• The laboratory uses a precision calibrator to check the accuracy of all measuring instruments.
• A calibrator is essential for maintaining the reliability of scientific equipment.
• The technician employed a calibrator to adjust the scale before weighing the samples.
• Digital thermometers require a calibrator to ensure they display correct temperatures.
• The calibrator helped verify that the pressure gauge was functioning within acceptable limits.
• Without a proper calibrator, the test results could be unreliable.