Actiwatch 2

Activity monitor

Actiwatch 2 is a rugged, reliable, and unobtrusive actigraphy device. It is small and comfortable, making it well-suited for younger or sensitive patients.

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Features

Sleep/wake history || Full-featured: Sleep/wake history reliably tracks sleep

Actiwatch models use actigraphy principles to provide sleep schedule variability, sleep quantity, and sleep quality statistics.
Rechargeable battery || Comfortable and convenient: Rechargeable battery for reliable long-term operation

Rechargeable battery for reliable long-term operatio
Physical activity monitor || Full-featured: Physical activity monitor for quantifiable activity data

Each Actiwatch model is equipped with a highly sensitive accelerometer. This provides you with activity patterns that help inform and track therapy options and results.
Waterproof to IPX7 standards || Comfortable and convenient: Waterproof to IPX7 standards for freedom to plan your day

Waterproof to IPX7 standards for freedom to plan your day
Event marker || Full-featured: Event marker records events of significance

Event marker records events of significance
Small and unobtrusive design || Comfortable and convenient: Small and unobtrusive design doesn't attract attention

Small and unobtrusive design doesn't attract attention
Ambient light sensor || Full-featured: Ambient light sensor tracks exposure to sunlight

Actiwatch 2 has the ability to record information about the amount and duration of ambient white light illuminance, in units of lux.

Specifications

Accelerometer Details

Accelerometer Details
Bandwidth	0.35 - 7.5 Hz typical
Type	Solid-state "Piezo-electric" accelerometer
Range	0.5 - 2 G peak value
Sensitivity	0.025 G (a 2 count level)
Sampling Rate	32 Hz

Specifications

Specifications
Size	43 mm x 23 mm x 10 mm
Weight (with band)	16 g
Case Material	ABS Blend (Biocompatible)
Standard Wrist Band	BASF Elastollan 1175A10W (TPU) with titanium buckle - accommodates 7 mm type hospital band
Battery Type	Lithium cell (rechargeable at dock)
Logger Battery Life	30 days at 1-minute epoch lengths
Memory	Non-volatile 1 Mbits

Light Sensor Details

Light Sensor Details
Type	Silicon photodiode
Accuracy	10% at 3000 Lux (typical)
Illuminance Range	5 - 100,000 Lux
Wavelength Range	400 - 900 nm
Measurement Units	Photopic illuminance in Lumens/m2 (Lux)
Wavelength Peak Sensitivity	570 nm

Environmental Attributes

Environmental Attributes
Moisture Protection	Waterproof 1 m for 30 min per IPX7 IEC 60529
Operating Temperature Range	5 to 40 °C
Resistance	Resists dust, water, heat, perspiration and cold

Computer & Communications Dock Attributes

Computer & Communications Dock Attributes
Hardware Platform Personal Computer	Pentium II or later
Operating System Compatibility	Actiware: Windows 2000, Windows XP or Windows Vista; Actiware CT: Windows 2000, Windows XP Pro, Windows Vista Business or Vista Ultimate
USB Compatibility	Version 1.1 or 2.0 full speed
Data Communication Rates	57.6 kbps
Dock Functions	Battery charge, device configuration and data retrieval
Charge Mode	USB connection or wall current