1. Scope

Keywords

Rationale

Capacitive hygrometers are the most widely deployed humidity sensors in global weather networks, mesonets, and industrial applications due to their compact size, low power consumption, and fast response times. However, their performance can degrade in near-condensing environments or polluted atmospheres. While advanced technologies (warmed probes, chemical purges) exist to solve these issues, there is currently no unified standard governing their proper testing, operation, and data reporting. This standard will ensure consistent measurement quality. Users will include operational meteorologists, climatologists, network operators, and instrumentation engineers.