Besantek BST-AFM06 : 5 in1 Environmental Meter

Adaptive and highly sensitive sensor with fast response and high accuracy.
Multipurpose meter measures flow speed, volume flow, light, humiity, temperature and chill temperature.
Air velocity measuring units selectable by pressing button on the front panel for five kinds of units.
Airflow (CFM/CMM) measurement can set the desired area dimension.
Multi channel display for relative humidity and temperature measured values or air velocity and temperature measured values at the same time.
Zero button design makes light meter calibration.
Hold function to freeze the current reading value.
Accessories: Instruction manual, type K temperature probe and battery.