Sentence examples similar to a minimum of three inspections from inspiring English sources

The phrase "a minimum of three inspections" is correct and usable in written English.
You can use it when specifying the least number of inspections required for a process or evaluation.
Example: "To ensure quality control, we require a minimum of three inspections before the product is approved for sale."
Alternatives: "at least three inspections" or "no fewer than three inspections".