During the sampling procedure for conveyor belts, what should be done to avoid adjacent material intrusion?

Using a template during the sampling procedure for conveyor belts is crucial to ensure that the sample accurately represents the material being conveyed. A template helps define a specific area on the belt from which to take the sample, reducing the likelihood of adjacent material mixing with the sample. This method is essential for maintaining the integrity of the sample and ensuring that the analysis reflects only the target material rather than any extraneous material that could compromise the results.

Establishing a clear boundary with the template minimizes the chance of inadvertently including materials from other regions on the conveyor belt, which may not be representative of the entire load. This approach enhances the reliability of the testing outcomes, resulting in more accurate assessments of the material's properties.

While options such as brushing the belt clean and removing the belt cover could contribute to sample purity, they do not address the problem of maintaining a defined sampling area as effectively as using a template. Turning off the production line would halt operations and is not a practical or efficient approach to sampling. Therefore, employing a template is the most effective method to ensure sample integrity and avoid contamination from adjacent material.