The Actiwatch 2 actigraphy system incorporates high-quality biocompatible materials, well-engineered lightweight sensors with light, activity and event channels to provide 24/7 wearability and accurate data. Actiwatch 2 Starter Kit (actiwatch, communication dock and actiwave software) includes everything to get started with actigraphy.
Features
- Comfortable, aesthetic design to help enhance patient comfort and increase patient compliance
- Large memory (1 Mbit)
- Three data Channels: Photopic white light illuminance, activity and event marking
- Welded case design to provide increased moisture, shock and dust protection
- 30 day life rechargable battery. Charged via docking station (USB or wall current)
- Replaceable bands - Able to use with hospital band
- Whitle light illuminance as standard
Specifications
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Size |
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43mm x 23m x 10mm |
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Weight |
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16 grams (with band) |
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Case |
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ABS Blend (Biocompatible) |
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Wrist Band |
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BASF Elastollan 1175A10W (TPU) with titanium buckle |
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Hospital Bands |
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Accomodates 7mm hospital band |
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Battery type |
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Lithium cell (rechargable at dock) |
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Battery Charge Time |
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6 hours empty to full |
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Logger Battery Life |
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30 days, 1 minute epoch |
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Memory |
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Non volitile 1 Mbits |
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Waterproof |
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1m for 30 min per IPX7 IEC 60529 |
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Operating Temperature Range |
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5oC to 40oC |
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Resistance |
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Resists dust, water, heat, perspiration |
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Epoch Length |
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15 sec |
30 sec |
1 min |
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Epochs per day |
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5760 |
2280 |
1440 |
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Logging time (activity only) |
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22.7 days |
45.5 days* |
15.1 days |
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Logging time (activity and light) |
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7.5 days |
91 day* |
30.3 days |
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* maximum 30 day battery life, requires charging |
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Accelerometer |
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Type |
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Solid state "Piezo-electric" accelerometer |
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Range |
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0.5 - 2 G peak value |
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Bandwidth |
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0.35 - 7.5 Hz Typical |
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Sensitivity |
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0.025 G (at 2 count level) |
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Sampling Rate |
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32 Hz |
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Light Sensor |
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Type |
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Silcon Photodiode |
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Wavelength Range |
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400 -900 nanometers |
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Wavelength Peak Sensitivity |
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750 nanometers |
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Measurement Units |
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Photopic illuminance in Lumens/m2 (Lux) |
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Illuminance Range |
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5 -100,000 Lux |
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Accuracy |
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10 % at 3000 Lux (typical) |
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