Building Automation Products, Inc. (BAPI) is a leading USA based manufacturer of HVAC/R sensors for temperature, pressure, humidity, pressure and air quality. BAPI has developed the Blü-Test , NIST-traceable test multi medium testing instrument. Test temperature, humidity and pressure using probes that can collect reading data in its onboard memory. The data can then be downloaded to your smart phone or tablet via the NEW and updated Blü-Test APP. No cords or meters needed!! With the APP, you can sort your measured data by job sites. You can then also view the data as a graph or trend on the app, or email the logs to your desk top.