On-Site Calibration
Calibration at Your Facility. Zero Downtime. Full Compliance.
Keep your instruments accurate, certified, and audit-ready without moving equipment off-site. Our mobile calibration teams deliver traceable results directly at your facility.
Accurate Calibration at Your Location. Reliable Results.
In modern industrial, laboratory, and production environments, even minor measurement deviations can lead to significant quality, safety, and compliance risks. On-Site Calibration verifies and certifies your instruments directly at your facility using traceable reference standards, ensuring accuracy, stability, and conformity with international quality systems without interrupting your operations.
Our on-site calibration procedures follow globally recognized best practices aligned with ISO/IEC 17025:2017, providing full traceability to National and International Metrology Standards.
On-Site Calibration is the systematic process of comparing measurement and testing instruments directly at your facility against certified portable reference standards to verify their accuracy, evaluate measurement uncertainty, and ensure compliance with specified tolerances. This process guarantees that calibration results are reliable, repeatable, and traceable to national or international metrology standards.
It is a fundamental requirement for organizations operating under quality management and regulatory frameworks such as ISO 9001, ISO 13485, IATF 16949, GMP, GLP, and other industry-specific compliance systems, supporting consistent product quality, operational reliability, audit readiness, and global acceptance of measurement results.

Scope of On-Site Calibration
Our On-Site Calibration services cover a comprehensive range of measuring and testing instruments used across industrial, production, and laboratory environments. All calibrations are performed directly at your facility using portable traceable reference standards in accordance with ISO/IEC 17025 and international metrology practices.
Dimensional Measurement Instruments
Comparative Measurement Instruments
Fixed Standards & Precision Gauges
Mechanical & Test Equipment
Calibration Deliverables
Upon completion of On-Site Calibration, clients receive comprehensive documentation and certification in accordance with ISO/IEC 17025 and international metrology requirements.
- ISO/IEC 17025–Aligned Calibration Certificate – Official certification confirming compliance with international laboratory standards for on-site calibration services.
- Measurement Results & Tolerance Verification – Detailed results indicating instrument accuracy against specified measurement tolerances.
- Traceability References – Full traceability to national and international metrology standards for all calibrated instruments.
- Measurement Uncertainty Statement – Documented uncertainty calculations as required by ISO/IEC 17025.
- Calibration Label & Next Due Date – Instrument labeling for easy identification, compliance, and recall management.
- Digital & Hard Copy Reports – Complete calibration reports issued on-site in electronic and printed formats.
Industries We Support
Our On-Site Calibration services support a wide range of industries where accurate measurement, minimal downtime, and compliance with international standards are essential to operational success and product quality.
- Manufacturing & Engineering – Ensuring precise calibration of production and quality control instruments without interrupting operations.
- Automotive & Aerospace – Supporting on-site calibration of safety-critical and performance testing equipment.
- Medical Devices & Healthcare – Meeting regulatory and quality compliance through on-site calibration of medical and laboratory instruments.
- Oil & Gas – Providing reliable field calibration for industrial instrumentation and process equipment.
- Power & Energy – Supporting on-site calibration of monitoring and control instruments in generation and transmission facilities.
- Construction & Infrastructure – Ensuring accurate calibration of inspection and testing equipment directly at project sites.
- Pharmaceutical & Food Processing – Maintaining precise calibration of production and laboratory instruments in regulated environments.
- Research & Testing Laboratories – Delivering traceable and uncertainty-evaluated calibration results at your facility.
Our Calibration Process
We follow a systematic and controlled calibration methodology in accordance with ISO/IEC 17025 and international metrology best practices to ensure precise, traceable, and reliable measurement results.
Initial Inspection
Visual and operational checks are performed to confirm instrument condition before calibration begins.
Controlled Conditions
Calibration is carried out under regulated temperature and humidity to ensure measurement stability.
Standard Comparison
Instruments are measured against certified reference standards traceable to metrology institutes.
Uncertainty Analysis
Measurement uncertainty is calculated and recorded in accordance with ISO/IEC 17025 guidelines.
Certificate Issuance
A traceable calibration certificate is provided confirming accuracy and tolerance compliance.
Labeling & Tracking
Calibration labels are applied and next-due dates are recorded for recall management.

Your Partner in Traceable Measurement Confidence
At ATTICS International, we are committed to delivering precision, integrity, and measurable confidence in every calibration service we provide. As a globally recognized provider of calibration, testing, inspection, auditing, and compliance services, our work is guided by international standards and best practices to support your quality and operational excellence.
Ensure Accurate Calibration Without Downtime
Don’t let instrument transport or calibration delays disrupt your operations. Keep your equipment precise, certified, and audit-ready with our expert On-Site Calibration services delivered directly at your facility and aligned with international standards.Partner with ATTICS International to gain reliable measurement accuracy on-site, reduce equipment downtime, and maintain uninterrupted compliance with global quality and safety requirements.
