LUTRON - Pitot Tube Anemometer PAM-9212SD 
Brand: Lutron
Model: PAM-9212SD 

Features:
* Air Velocity : 1 to 100.0 m/s.
* Dual & differential input, 200 mbar max. range.
* Application : Industrial, laboratory, heating, ventilation, medical hospital, used for air or not corrosive and not ionized gas & liquid.
* Sensor is built inside the housing.
* Single plugs for pipe connection.
* Auto shut off saves battery life.
* Zero button on the front panel, easy to offset the zero value.
* Microprocessor circuit assures maximum possible accuracy, provides special functions and features.
* Super large LCD display with contrast adjustment for best viewing angle.
* Real time data logger, save the data into the SD memory card and can be downloaded to the Excel, extra software is no need.
* SD card capacity : 1 GB to 16 GB.
* LCD with green light backlight, easy reading.
* It can default auto power off or manual power off.
* Data hold, record max. and min. reading.
* Power by UM3/AA ( 1.5 V ) x 6 batteries or DC 9V adapter.
* RS232/USB PC COMPUTER interface.