TSI DustTrak II and DRX: How to Manually Zero Your Unit

This three-minute video walks you through how to zero the DustTrak II or DustTrak DRX using the TSI filter included with each unit. It's important to zero the instrument before each use to reduce zero drift in the electronics for a true reading of mass concentration. Zero drift can occur if the instrument is run for long periods of time, or from temperature and humidity changes during previous measuring events.

Watch all the videos in this series: