Operation Manual TCH Pro 202 & 203
4. Pressure
Purpose:
Monitor air pressure in different controlled environments to determine airflow
direction.
5. Files
Purpose:
Navigate through saved reports.
MENU
SCREEN
PRESSURE
Press the COUNT button to set the differential pressure to zero
and move the device around to obtain the differential pressure
relative to initial location.
Accuracy tips:
1. Take all samples at the same altitude (no height differential
with respect to initial location).
2. Take all samples in the shortest possible time to avoid
weather-related pressure variations.
MENU
SCREEN
BROWSE FILES AND FOLDER
Use UP and DOWN buttons to navigate through the reports.
Reports are grouped in “particle count” and “air quality”.
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TCH Pro v1.2.1
