A technician calibrates a pH probe. They record the readings before making any adjustments, then calibrate the device, and record the readings again. What is this documentation standard called?

Question

Accepted Answer

As-Found and As-Left data. Recording "As-Found" data proves how accurate the device was during operation (critical for quality auditing), while "As-Left" proves it was correct when the tech finished.

Answer

Zero and Span data

Answer

Deadband tracking

Answer

Hysteresis and Linearity data

A technician calibrates a pH probe. They record the readings before making any adjustments, then calibrate the device, and record the readings again. What is this documentation standard called?

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