Actiwatch®
Specifications

Weight: 25 grams
Size: 37 x 35 x 12 mm*
Non-Volatile Memory: 32 kbytes
Recording Time at one
minute sample interval:		 22.4 days
Battery Life: 3 months
Battery Type: CR 2025
Water Resistance: Drip-tight: Dripping and light splashing
of liquids (IEC Standard 60529 IP52)
Digital Resolution: 16 bits

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Actiwatch 2
Specifications

Size: 43mm x 23mm x 10mm
Weight: 16 grams (with band)
Case Material: ABS Blend (Biocompatible)
Standard Wrist Band: BASF Elastollan 1175A10W (TPU)
with titanium buckle - accommodates
7mm hospital type band
Battery Type: Lithium cell (rechargeable at dock)
Battery Charge Time: 6 hours from empty to full
Logger Battery Life: 30 days at 1-minute epoch lengths
Memory: Non-volatile 1 MBits

Logging Interval

Epoch Length Epochs
per day		 Logging time
(activity only)		 Logging time
(activity and light)
15 seconds 5760 22.7 days 7.5 days
30 seconds 2880 45.5 days† 15.1 days
1 minute 1440 91 days† 30.3 days
† Actual recording time limited by battery life of 30 days typical before recharging is required.

Note: Device also records in 2-minute and 5-minute epoch lengths and in a light only mode.

Accelerometer Details

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

Light Sensor Details

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

Environmental Attributes

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

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

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Actiwatch Spectrum
Specifications

Size: 48mm x 37mm x 14mm
Weight: 30 grams (with band)
Case Material: ABS Blend (Biocompatible)
Standard Wrist Band: BASF Elastollan 1175A10W (TPU)
with titanium buckle
Battery Type: CR 2430 Lithium Coin Cell
(factory replaced)
Logger Battery Life: 1 year with continuous use
Memory: Non-volatile 1 MBits

Logging Interval

Epoch Length Epochs
per day		 Logging time
(activity only)		 Logging time
(activity and RGB light)
15 seconds 5760 45.5 days 9 days
30 seconds 2880 91 days 18 days
1 minute 1440 182 days 36 days
Note: Device also records in 2-minute and 5-minute epoch lengths, in photopic light-only mode, and in an RGB light only mode.

Accelerometer Details

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

Light Sensor Details

Type: Color sensitive photodiodes
Wavelength Range: 400 - 700 nanometers
Measurement Units: Irradiance (microwatts/cm²
Photon flux (photons/cm²/sec
Photopic illuminance (Lux)
Illuminance Range: 0.1 - 5500 microwatts/cm²
Accuracy: 10% at 1500 Lux (typical)

Environmental Attributes

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

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
Communications Interface: USB to Infrared connection
USB Compatibility: Version 1.1 or 2.0 full speed
Data Communication Rates: 57.6 kbps

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