SDM 3R Standalone Use PC Controlled Use Compatible with both GX-3R and GX-3R ProAutomatically charge, bump test, and/or calibrateAuto on/off of gas detector3 separate gas inputsMultiple modules (10 max) can use one set of calibration equipmentSave Bump Test, Calibration, and Alarm Check records to USB flash drive, computer, or networkIncludes PC software for viewing/archiving bump test, calibration records, and event data Multiple modules connected to a PC (10 max)Automatic calibration/bump test optionConfigure GX-3R (Pro) parametersArchive Bump Test, Calibration, and Alarm CheckArchive data to network locationSoftware controlled data retrievalWindows 7, 8, and 10 compatible