www.theactigraph.com
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49 E. Chase St. Pensacola, FL 32502 tel 850.332-7900 fax 850-332-7904
User’s Manual for the wGT3X+ and
wAc
Page 1: ...www theactigraph com P a g e 1 49 E Chase St Pensacola FL 32502 tel 850 332 7900 fax 850 332 7904 User s Manual for the wGT3X and wActiSleep ...
Page 2: ...04 Change Page About the change page table The following table describes the changes that have been made to this document since its original baseline This table shall be maintained as long as this document is active Revision Brief Description of Change Date of Approval A Initial version 5 30 2012 ...
Page 3: ...roduction 7 Specifications and Functionality of the wGT3X and wActiSleep 7 Data 7 Acceleration 7 Ambient Light 7 Steps 8 Inclinometer 8 Low Frequency Extension 9 Data Collection 9 Water Resistance 10 Wireless 10 Sensor Connectivity 10 Wireless Reporting and Control 10 Battery 11 Low Voltage Mode HALT 13 Recharging and LED Decoding 13 Wearing the Device 15 ...
Page 4: ... Class II medical device FCC Part 15 107 AC Conducted Emissions FCC Part 15 109 Radiated Emissions FCC Part 15 207 Modular Transmitter AC Line Conducted Emissions FCC Part 15 249 Radiated Emission Limits of Intentional Radiators These devices comply with part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device ...
Page 5: ...dustrial scientific and medical radio frequency equipment EN 300 440 2 V1 4 1 Electromagnetic compatibility and Radio spectrum Matters ERM Short range devices Radio equipment to be used in the 1 GHz to 40 GHz frequency range Part 2 Harmonized EN covering the essential requirements of article 3 2 of the R TTE Directive wGT3X device only EN 301 489 3 V1 4 1 Electromagnetic compatibility and Radio sp...
Page 6: ...ology equipment Radio disturbance characteristics Limits and methods of measurement Physiological Effects The wGT3X and wActiSleep do not produce any known physiological effects The wGT3X and wActiSleep are manufactured Lead Free and comply with RoHS standards Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment The wGT3X and wActiSleep are water resistant ...
Page 7: ...yielding the following product specifications Parameter Value Units Axis 3 Sensitivity 220 mV g Dynamic Range 6 G Table 1 Accelerometer Key Specifications The acceleration data is sampled by a 12 bit analog to digital converter at rates ranging from 30 Hz to 100 Hz user selectable and stored in a raw non filtered accumulated format in the units of gravity G s This data is stored directly into a 25...
Page 8: ... when converting the gt3x file to agd format As noted the inclinometer feature is only valid when the device is worn vertically on the point of the hip More details are available in the Inclinometer Whitepaper Important The inclinometer feature is only valid if the device is worn on the hip with Axis 1 upward facing Inclinometer Code Stored with each Epoch Interpretation 0 Device Off Not Being Wor...
Page 9: ...ffectively expanding the bandwidth of the accumulated data This option is useful when measuring actigraphy data for subjects who move slowly or take very light steps for example the elderly For more details contact ActiGraph at support theactigraph com Data Collection During initialization the user chooses the raw data sample frequency 30Hz up to 100Hz in 10Hz increments The wGT3X and wActiSleep c...
Page 10: ...sors Some of the device types currently supported by the ANT protocol are Heart Rate Straps Weight Scales and Blood Pressure Cuffs The ability to integrate data from different sensors significantly increases the usability of the devices Wireless Reporting and Control In addition to enhancing and increasing the sources for data collection the wireless functionality of the wGT3X and the wActiSleep e...
Page 11: ...se a lithium ion rechargeable battery that has a maximum voltage of approximately 4 20 volts At 3 1 volts the devices enter a low voltage mode state HALT mode In order to slow the aging of the Lithium Ion battery it is recommended that devices be stored in a partially charged state 40 60 battery capacity in low ambient temperatures Table 4 demonstrates the impact of storage temperature and charge ...
Page 12: ...2 00 50 24 50 25 00 60 22 50 21 00 70 20 50 18 00 80 19 00 16 00 90 17 50 14 00 100 16 50 12 50 Table 5 Battery life based on 16 Hrs Active 8 Hrs sleep wGT3X and wActiSleep Sample Rate Hz Battery Life Days Memory Limit Days 30 22 50 42 50 40 20 50 32 00 50 17 50 25 00 60 16 00 21 00 70 15 00 18 00 80 13 25 16 00 90 12 25 14 00 100 11 50 12 50 Table 6 Battery life based on no sleep 24 hrs active ...
Page 13: ... LED Decoding Recharging is automatic and is accomplished by connecting the device to a standard USB port Charging time will depend on the battery life but typically will not exceed four hours for a fully depleted battery to become fully charged Once the battery is completely charged the green LED will remain illuminated If the battery voltage drops below 3 1 volts while in use the device will not...
Page 14: ...w 3 1V and the unit has entered Halt Mode Green LED No Flashing LED Off Actively collecting data Flash Mode disabled or battery dead 1 Flash Delay before start mode the LED always flashes prior to starting data collection Actively taking data Flash Mode enabled not recommended 2 Flashes N A 3 Flashes End of memory reached Device no longer collecting data Battery died while unit was in delay before...
Page 15: ...Wrist worn non validated EE for kids is now available for 3 axis ActiGraph devices When being used for sleep assessment ActiGraph devices may be worn anywhere on the body wrist waist hip arm or ankle Note It is not safe to wear devices while they are charging It is recommended that children under 12 years of age wear ActiGraph devices on the elastic belt versus the adhesive belt clip as it is the ...
