Sleep and Respiratory Care

Actiwatch Spectrum

Activity monitor

Actiwatch Spectrum is equipped with advanced features needed for when you are involved in more demanding research protocols. It is an all-in-one, waterproof device, and ideal for those who prefer to wear a wrist watch.

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Specifications Show all

Accelerometer Details
Solid-state "Piezo-electric" accelerometer
0.35 - 7.5 Hz typical
0.5 - 2 G peak value
0.025 G (a 2 count level)
Sampling Rate
32 Hz
48 mm x 37 mm x 14 mm
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
8 months with continuous use
Non-volatile 1 Mbits
Light Sensor Details
10% at 1500 Lux (typical)
Color sensitive photodiodes
Wavelength Range
400 - 700 nm
Measurement Units
Irradiance (microwatts/cm2)/Photon flux (photons/cm2/sec)/Photopic Illuminance (Lux)
Illuminance Range
0.1 - 5500 microwatts/cm2
Environmental Attributes
Moisture Protection
Waterproof 1 m for 30 min per IPX7 IEC 60529
Operating Temperature Range
5 to 40 °C
Resists dust, water, heat, perspiration and cold
Computer & Communications Dock Attributes
Operating System Compatibility
Actiware: Windows 2000, Windows XP or Windows Vista; Actiware CT: Windows 2000, Windows XP Pro, Windows Vista Business or Vista Ultimate
Hardware Platform Personal Computer
Pentium II or later
Communications Interface
USB to Infrared connection
USB Compatibility
Version 1.1 or 2.0 full speed
Data Communication Rates
57.6 kbps
Off-Wrist Detector
On-Wrist Activation Range
<lt/> 2 mm