Actiwatch 2 Activity monitor

Actiwatch 2

Activity monitor

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

Sleep/wake history

Sleep/wake history reliably tracks sleep

Actiwatch models use actigraphy principles to provide sleep schedule variability, sleep quantity, and sleep quality statistics.
Rechargeable battery

Rechargeable battery

Rechargeable battery for reliable long-term operatio
Physical activity monitor

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

Waterproof to IPX7 standards

Waterproof to IPX7 standards for freedom to plan your day
Event marker

Event marker

Event marker records events of significance
Small and unobtrusive design

Small and unobtrusive design

Small and unobtrusive design doesn't attract attention
Ambient light sensor

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.
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Accelerometer Details
Accelerometer Details
Sampling Rate
  • 32 Hz
  • 0.5 - 2 G peak value
  • Solid-state "Piezo-electric" accelerometer
  • 0.35 - 7.5 Hz typical
  • 0.025 G (a 2 count level)
Computer & Communications Dock Attributes
Computer & Communications Dock Attributes
Hardware Platform Personal Computer
  • Pentium II or later
Operating System Compatibility
  • Actiware: Windows 10 Home, Pro and Enterprise (32 or 64 bit) operating systems
Dock Functions
  • Battery charge, device configuration and data retrieval
Data Communication Rates
  • 57.6 kbps
Charge Mode
  • USB connection or wall current
USB Compatibility
  • Version 1.1 or 2.0 full speed
Light Sensor Details
Light Sensor Details
Illuminance Range
  • 5 - 100,000 Lux
Measurement Units
  • Photopic illuminance in Lumens/m2 (Lux)
  • 10% at 3000 Lux (typical)
Wavelength Range
  • 400 - 900 nm
Wavelength Peak Sensitivity
  • 570 nm
  • Silicon photodiode
Environmental Attributes
Environmental Attributes
Operating Temperature Range
  • 5 to 40 °C
  • Resists dust, water, heat, perspiration and cold
Moisture Protection
  • Waterproof 1 m for 30 min per IPX7 IEC 60529
Battery Type
  • Lithium cell (rechargeable at dock)
Weight (with band)
  • 16 g
Standard Wrist Band
  • BASF Elastollan 1175A10W (TPU) with titanium buckle - accommodates 7 mm type hospital band
  • 43 mm x 23 mm x 10 mm
  • Non-volatile 1 Mbits
Logger Battery Life
  • 30 days at 1-minute epoch lengths
Case Material
  • ABS Blend (Biocompatible)