The SDM-2009 calibration station for GX-2009 detector offers advanced features for charging, calibration, & bump testing. Once you power up the GX-2009 inside the SDM-2009 calibration module, the display will indicate whether it’s transmitting data, bump testing, calibrating, as well as the results of the bump test or calibration. Network up to 10 SDM-2009 stations to charge, calibrate, and bump test 10 instruments simultaneously.