4
b) Technical Specification
PC/ABS (medical device grade)
PC (medical device grade)
Rechargeable lithium ion polymer
Water-resistant to 10m (IP67 – 1m 24hrs)
60 days @20hz, 14 days @100hz
+/- 20ppm ( +/- 1.7s per day)
Acceleration Measurements
Digital Ambient Light Sensor
+/- 10% @ 1000 Lux calibration
Mechanical membrane switch
Digital Temperature Sensor
Format 4 unit cradle USB 2.0 High Speed
90% @ 2 hours, 100% @ 3 hours
Maximum 20 minutes for 4 concurrent units