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 RH550 is a paperless color chart recorder that provides simultaneous digital and graphical display of %RH and temperature or dew point, as well as showing date/time and min/max values.
The Extech 480846 RF EMF Strength Meter monitors high frequency radiation in the 10 MHz to 8 GHz range. Ideal for mobile phones, cell phones, base stations, locating RF hotspots, wireless network (Wi-Fi) RF detection, RF "electrosmog" detection, microwave leakage, and wireless communication applications (CW, TDMA, GSM, DECT).