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Sampler performance factors

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How can you guarantee that a sampling system performs as specified?

The performance of a sampling system is normally monitored by measuring the accumulated sample volume and comparing it with the expected sample volume. The variance allowed across the whole batch is +/-10%.

 

Performance monitoring is normally carried out both at the end of the batch and during the batch by weighing the mass of accumulated sample. This can be compared with the expected mass of sample calculated in the control system using density. In the event of errors, the control system can trigger and alarm to allow the extraction of a manual back-up sample.

 

Upon completion of the batch, the control system should produce a report demonstrating that the system has performed within acceptable limits throughout the batch transfer and both parties in the transfer can endorse this document.

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