Skip to content 
EN 
What Is A Site Acceptance Test (SAT)?
A Site Acceptance Test (SAT) is the final evaluation performed at the customer’s site to confirm that a machine or system has been properly installed, configured, and is fully operational. It ensures the equipment meets all requirements before going into full use. Before the SAT, a Factory Acceptance Test (FAT) is conducted at the manufacturer’s facility to verify initial compliance.
Why Do You Need A Site Acceptance Test?
A Site Acceptance Test (SAT) is crucial to ensure that a machine or system delivered by the manufacturer meets all specifications and operates correctly. It provides the customer with the opportunity to verify proper installation and functionality before approving the equipment for use.
What Is the Difference Between SAT and FAT?
The main difference between a Site Acceptance Test (SAT) and a Factory Acceptance Test (FAT) is their timing and location. The FAT takes place at the manufacturer’s facility before shipment to confirm that the equipment meets the required specifications. The SAT, on the other hand, is conducted at the customer’s site after installation to verify proper setup, functionality, and readiness for operation before final approval.
How Do You Perform A Site Acceptance Test?
Planning – Define the test objectives, set up the test environment, and choose appropriate testing methods.
Preparation – Install and configure the system or machine to ensure it is ready for testing.
Execution – Perform various tests to assess performance, functionality, operability, and safety.
Documentation – Record and evaluate test results to determine if the system meets the required specifications.
Acceptance – If all requirements are met, the customer officially accepts the system. If issues are found, corrective actions are taken, and the SAT is repeated.
Completion – A final report is prepared, summarizing the test results and confirming system readiness.
What Are the Benefits of Site Acceptance Test?
Ensures Quality Compliance – Verifies that the system or machine meets all predefined requirements and specifications.
Detects Issues Early – Identifies and addresses potential problems before full operation, minimizing costly repairs and downtime.
Improves Customer Confidence – Confirms that the equipment functions as expected, ensuring it aligns with customer needs and operational standards.
What Is the Difference Between a Site Acceptance Test And Commissioning?
Commissioning is the process of verifying that all physical inputs and outputs are correctly connected and functioning, ensuring that the system is properly set up. The Site Acceptance Test (SAT), on the other hand, is conducted after commissioning and system validation to confirm that the entire system meets performance requirements and is ready for full operation.
When Is the Ideal Time to Schedule A SAT?
The SAT should be scheduled after all installations and initial system integrations are complete, ensuring that the system is fully assembled and ready for a real-world performance check. This timing helps capture an accurate picture of how the system will behave under normal operating conditions, allowing you to address any hiccups before full deployment.
What Common Challenges Might Arise During A SAT And How Can They Be Managed?
SATs can sometimes face challenges like miscommunication between teams, unexpected site conditions, or slight variances between the test plan and actual performance. The key to overcoming these hurdles lies in thorough planning, open communication, and a flexible approach. By anticipating potential issues and having contingency plans in place, teams can navigate challenges smoothly and ensure the system meets all operational requirements.
For more insights on this topic, read our Guide to Site Acceptance Test (SAT).
