---
title: What is the recommended sampling duration when using Allergenco- D cassettes?
description: What is the recommended sampling duration when using Allergenco- D cassettes?
---

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# What is the recommended sampling duration when using Allergenco- D cassettes?

| The sampling time is dependent on the density of particulate in the environment. It is important not to overload the sample, otherwise it will be impossible to accurately count the types of spores, pollen or other particulates that are present. The following list represents typical sample times to attain a sharply defined trace with good dispersion of the spores:  Sampling Duration  • Outdoor sample 1-10 minutes  • Dust-free environment (clean office) 5-8 minutes  • Indoor environment (occupied space) 3-5 minutes  • Indoor environment (excess visible dust) 1-3 minutes  • Inner wall sample 1-5 minutes (using optional wall adapter, Product ID8715908) |
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