Education & Training Calibration Check
A procedure for verifying that measurement and testing equipment remains within specified accuracy tolerances through scheduled calibration checks.
Purpose
To ensure the accuracy and reliability of all measurement and testing equipment used in quality control, production, and service program delivery, thereby maintaining confidence in test results and course conformity.
Scope
Covers all calibrated equipment including measuring instruments, gauges, test equipment, and reference standards used across the organisation.
Prerequisites
- Equipment calibration register listing all instruments requiring calibration
- Calibration schedule with defined intervals for each instrument
- Traceable reference standards or access to an accredited calibration laboratory
- Trained calibration technicians or external calibration service provider
Supports compliance with the ESOS framework, CRICOS requirements, ASQA standards, and state education department reporting.
Step-by-Step Procedure
Review Calibration Schedule
Check the calibration register to identify instruments due for calibration in the current period.
- 1.1Access the equipment calibration register
- 1.2Filter for instruments due within the upcoming period
- 1.3Prioritise instruments used in critical measurements
Prepare for Calibration
Gather the instruments to be calibrated, prepare reference standards, and set up the calibration environment.
- 2.1Retrieve instruments from their storage or usage locations
- 2.2Verify that reference standards are themselves in calibration
- 2.3Ensure the calibration environment meets required temperature and humidity conditions
Perform Calibration Checks
Execute calibration checks by comparing instrument readings against reference standards at specified points across the measurement range.
- 3.1Take readings at the minimum, midpoint, and maximum of the instrument range
- 3.2Compare readings to reference standard values
- 3.3Record all measurement data on the calibration certificate
- Allow instruments to stabilise at the calibration environment temperature before testing
Evaluate Results
Determine whether each instrument is within its specified accuracy tolerance. Identify instruments that are out of tolerance.
- 4.1Compare measurement deviations to the allowable tolerance
- 4.2Classify each instrument as in-tolerance or out-of-tolerance
- 4.3Assess the impact of any out-of-tolerance findings on previous measurements
Adjust or Replace Out-of-Tolerance Instruments
For instruments found out of tolerance, perform adjustments if possible or remove the instrument from service and arrange for repair or replacement.
- 5.1Attempt adjustment and re-check against reference standards
- 5.2If adjustment is not possible, tag the instrument as out of service
- 5.3Arrange repair by a qualified service provider or procure a replacement
Update Calibration Records
Complete the calibration certificate, update the calibration register, and apply calibration status labels to each instrument.
- 6.1Finalise the calibration certificate with all results and status
- 6.2Update the calibration register with the new calibration date and next due date
- 6.3Apply or update the calibration status label on each instrument
Quality Checkpoints
Common Mistakes to Avoid
Expected Outcomes
Percentage of instruments calibrated within their scheduled due date, indicating programme compliance.
Percentage of instruments found out of tolerance during calibration, reflecting equipment reliability.
Frequently Asked Questions
How is the calibration interval determined?
Calibration intervals are based on manufacturer recommendations, usage frequency, environmental conditions, and historical calibration data. Instruments that consistently remain in tolerance may have their intervals extended, while those with frequent drift may be calibrated more often.
What should be done if an instrument is found out of tolerance?
The instrument should be adjusted if possible and re-checked. If it cannot be adjusted, it is removed from service. An impact assessment should be conducted to determine whether any previous measurements may have been affected.
Can calibration be performed in-house?
In-house calibration is acceptable provided the organisation has traceable reference standards, a suitable environment, and trained personnel. For critical measurements, external accredited calibration may be required.
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