EXTECH HD350 measures air velocity/airflow in difficult-to-reach or tight locations. It measures differential pressure in 5 selectable units of measure and includes a Pitot tube and 2 connection hoses for measuring Air Velocity/Air Flow.
The Extech MO750 soil moisture meter has an integrated 8-inch heavy-duty stainless-steel moisture probe which monitors moisture levels in soil from 0% to 50% and easy one handed operation.