SAT is short for site acceptance test, which is where a costumer conducts test on the machine supplied. It is to test if the delivered solution conforms to the solution definition and functional specifications.

SAT Stages

The SAT is split up in 3 main stages as outlined below. The test plan and approach for the three stages is developed and documented in the design phase of the product.

  • Integration Testing: This test is to ensure all the integration points defined by the costumer function as specified.
  • Performance Testing: This is to verify the performance requirement specified by the costumer is met. For example a machine can produce within the agreed tolerance.
  • User Acceptance Testing: This is to validate the machine or system is in line with the costumer’s daily operation and processes. This is stage is managed by the costumer who will select operators or users of the system to test the functionality.

Confusion about SAT

Sometimes people are confused about what SAT is, and have seen other explanations like “Supplier Acceptance Test” amongst others. SAT is an acceptance test done at the costumer when a machine or system has been delivered. The acceptance test don at supplier before the system is shipped is called FAT, this is short for Factory Acceptance Test.

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Site Acceptance Test (SAT)