VYRCO

Before measuring: review your instrument

Record evidence that the documentation, instrument and required checks were reviewed before recording results for a component.

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Who it is for and what is included

Mold, machining, quality and metrology technicians. The designated technical authority makes the decision.

Level: Intermediate. Includes instructions, recording fields, a fictional example and reference sources.

How to use it

  1. Define the job: Link the component, drawing revision, feature and units. Identify who approves the method and applicable requirements. If a requirement is missing, record it as pending rather than assuming a value.
  2. Identify the equipment: Record the actual ID and model. Link the manual, calibration record and control status. Note restrictions or missing documents without altering labels or dates.
  3. Document the selection: Record the approved rationale for the range, resolution and method for this feature. A display with enough digits does not, by itself, provide that rationale.
  4. Record preparation: Note the visible condition and preparation performed according to the manual. Separate observations from hypotheses. Do not open, repair or adjust the instrument to complete this record.
  5. Perform only authorized checks: Identify the procedure, reference, readings and documented criterion. A zero check, where applicable, does not demonstrate performance across the entire range.
  6. Close the review before measuring: The responsible person records the decision for this job and any limitations. Leave use pending if questions remain. Then link this record to dimensional results; it is not part acceptance.

Fictional example

Request: Record DEMO-PRE-01. Component DEMO-INSERT-A, drawing DEMO-DWG-A, revision B. An external feature is to be measured. The proposed instrument is DEMO-MIC-01. Finding: The label is legible, but the attached file belongs to DEMO-MIC-02. The link between the calibration record and the proposed instrument has not been demonstrated. Record entry: Instrument control: PENDING. Evidence: instrument and document IDs do not match. This does not establish that the instrument measures incorrectly. Proposed action: Request the correct record or an authorized alternative. Fictional owner: Reviewer A. Leave use for this job pending until the decision is documented. Example closure: Reviewer A receives the matching documentation, completes the reviews and records a decision with the applicable references. If a check criterion is still missing, the record remains pending. No satisfactory result is invented.

Scope and limitations

The responsible person defines requirements, checks, references, decisions and authorization. No maximum errors, resolution-to-tolerance ratios, calibration intervals or universal conditions are specified. If damage, inconsistent documentation or an unsatisfactory check is found, follow your approved organizational procedure. This resource does not define repair, adjustment or recalibration. Uncertainty evaluation and component acceptance require their own method. Use VYRCO dimensional record 05 to link results after the pre-use review.

Sources consulted

Editorial review: 2026-10-10 · Original forms and general guidance. Always apply the drawing, manual and authorized procedure for your case.

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