Section 2 About GENEActiv
10
Device details
PHYSICAL PARAMETERS
Size 43mm x 40mm x 13mm
Weight 16g (without strap)
Main Housing Material PC/ABS (medical device grade)
Light Guide Material PC (medical device grade)
Data Contact Material Gold-plated
Fixings 20mm heavy duty spring bar
Strap PU resin
Battery Type Rechargeable lithium polymer
ENVIRONMENTAL PROTECTION
Moisture Ingress Water-resistant to 10m (IP67 – 1m 24hrs)
Material Ingress Dust tight (IP67)
Operating Temperature 5 to 40 deg C
Mechanical Impact 0.5m drop resistant
MEASUREMENT CAPABILITIES
Memory 0.5Gb non-volatile
Logging Frequencies Selectable 10-100Hz
Maximum Logging Periods
60
days @10Hz, 7 days @100Hz
INTERNAL CLOCK
Type Quartz Real Time Clock
Frequency 32.768kHz
Accuracy +/- 20ppm ( +/- 1.7s per day)
ACCELERATION MEASUREMENTS
Sensor Type MEMS
Range +/- 8g
Resolution 12 bit (3.9 mg)
LIGHT MEASUREMENTS
Sensor Type Silicon photodiode
Wavelength 400 to 1100 nm
Range 0 - 3000 Lux typical
Resolution 5 Lux typical
Accuracy +/- 10% @ 1000 Lux calibration
EVENT LOGGER
Sensor Type Mechanical membrane switch
TEMPERATURE MEASUREMENTS
Sensor Type Linear active thermister
Range 0 to 60 deg C
Resolution 0.25 deg C
Accuracy +/- 1 deg C
Measurement frequency Every 30s minimum
USB CONNECTION
Device USB 2.0 Full Speed
Charge Cradle Format 4 unit cradle USB 2.0 High Speed
Charge Time 90% @ 2 hours, 100% @ 3 hours
Data Download Time Maximum 20 minutes for 4 concurrent units
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