Verify Accuracy and Prove Reliability.
To ensure your instruments from Guideline Geo delivers reliable and traceable measurement results, we recommend a regular calibration performed by our certified service team.
Calibration confirms that your instrument’s readings are precise and aligned with official reference values – and provides documented proof of accuracy.
Why Calibration Matters
- Trusted accuracy — confirm that your instrument performs within recommended limits.
- Compliance ready — a valid calibration certificate helps you meet quality assurance and tender requirements.
- Data confidence — reliable data builds credibility in reports and project outcomes.
What’s Included?
- Comparison of all key measurement values against certified reference standards.
- Full documentation of any deviations and adjustments made.
- Adjustment of the instrument to bring readings within recommended values.
- A product-specific calibration certificate, including calibration date, technician signature, and official stamp – returned with your instrument.
How it works
- Send your instrument to an official Guideline Geo Service Office.
- Calibration is performed by our certified technicians according to ABEM and MALÅ standards.
- Receive your certificate along with your instrument after calibration.
- If adjustments are required, we’ll contact you with recommendations before proceeding.
For best performance and compliance, we recommend annual calibration, or whenever required by your project specifications or client contracts.


