www.theactigraph.comP a g e | 2049 E. Chase St. Pensacola, FL 32502 tel 850.332-7900 fax 850-332-7904Device Serial Number LabelEach ActiGraph device is equipped with a label stuck to it with pertinent device information inside theserial number. For example the serial number MRA3A29120016 means: MRA3 = device model A = device model version 29 = week of the year it was manufactured (29th week) 12 = year it was manufactured (2012) 0016 = number of device manufactured that weekCleaning the DeviceActiGraph devices are approved to be cleaned with a non-abrasive cloth and isopropyl alcohol. The USBcap is to be inserted into the device and tightened prior to cleaning so no liquid can enter into thedevice and damage any of the internal electronics. For optimal results, apply isopropyl alcohol to thecloth, clean the device for 15-20 seconds, and let air dry. ActiGraph devices are not to be sterilizedbecause damage may occur. Though ActiGraph devices are not required to be cleaned on anypredetermined schedule, it is advised that the devices be cleaned after each use by a user.Device Storage and Life ExpectancyThere is no specific requirement for storing ActiGraph devices but a dry location with temperaturelimitations between 0°C and 50°C is suggested. For optimal battery life expectancy, routinely charge thedevice according to Table 4.The only limiting factor of an ActiGraph device when calculating life expectancy is the battery. Thebattery has a life expectancy of five (5) years but can be replaced by ActiGraph personnel thus extendingthe life of the device. The performance of the components inside the device does not degrade overtime so the life expectancy of a device is immeasurable.Device MaintenanceActiGraph’s devices do not require routine maintenance or calibration. Calibration is done during themanufacturing of the device and will last for the life of the device. If maintenance is required on adevice, or a piece of a device has gone missing, call ActiGraph Customer Support or visit the supportsection on the ActiGraph website www.actigraphcorp.com and initiate an RMA for your device.Any critical components that require maintenance are to be performed by trained ActiGraph personnelonly. All necessary training manuals, schematics, parts listings, and other necessary documentation, willbe made available to the trained ActiGraph service technicians.AccessoriesAccessories sold at ActiGraph are constantly changing due to the ever changing features available withthe wGT3X-BT device. For a full list of current accessories available for the wGT3X-BT device, please visitActiGraph’s website www.actigraphcorp.com/product-category/accessories . Use the accessories