User's Manual
D-7
FUNCTIONAL
Parameter Value Note
Accelerometer sensitivity 0.05 g-force
Accelerometer bandwidth 3Hzto11Hz
Sampling epochs 15 and 30 seconds,
1, 2, 5, 10, and 15 minutes
Memory 64 kB
Sensor Type Photodiode On-board sensor
Spectral response CIE Y-curve Approximate
Wavelength window 330 to 720 nm
Minimum illuminance sensitivity 0.1 lux
Maximum illuminance sensitivity 150,000 lux
Linearity 2% Typical from 0.1 to 150,000
lux
Resolution 2% of lux value Typical
STANDARDS COMPLIANCE
Test Standard Description
IEC60601-1 Medical Electrical Equipment - Part 1: General
Requirements for Safety
IEC60601-1-1 Medical Electrical Equipment - Part 1-1: General
Requirements for Safety - Collateral Standard: Safety
Requirements for Medical Electrical Systems
IEC60601-1-2 Medical Electrical Equipment - Part 1-2: General
Requirements for Safety - Collateral Standard:
Electromagnetic Compatibility - Requirements and Tests
IEC60950-1 Information Technology Equipment - Safety - Part 1:
General Requirements
Logging Capacity versus Amount of Memory
EPOCH LENGTH (minutes)
0.25 0.50 1.00 2.00 5.00 10.0 15.0
Bytes Logging Capacity (days) by Epoch Length
Actiwatch-16 (kB) 2.8 5.6 11.2 23 56 113 170
Actiwatch-64 (kB) 11.3 22 45 90 227* 365* 365*
Actiwatch-L (32 kB) 2.8 5.6 11.3 28 56 113 170
Actiwatch-Score (32 kB) 5.5 11.1 22 44 111+ 223+ 334+
Actiwatch-L (64 kB) 3.7 7.2 15 30 75 151 227*
*Limited by 180 day battery life.
+Limited by 90 day battery life.