Open the protective cap exposing the humidity sensor.
Insert the probe into the connector, cepac® Ca-332 and finger tighten the locking nut to the cepac® Ca-332 connector.
Insert the connector (Ca-332) into the one-way valve (Va-331) and finger tighten. Allow the instrument readings to stabilize (a few minutes) and record the information. Be sure to close the protective cap on the probe (see step #1).