Sleep Diagnostics

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.

Contact information

* This field is mandatory

Contact details


Company details


Business details

By specifying your reason for contact we will be able to provide you with a better service.

Specifications Show all

Accelerometer Details
0.35 - 7.5 Hz typical
Solid-state "Piezo-electric" accelerometer
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
Color sensitive photodiodes
10% at 1500 Lux (typical)
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
Off-Wrist Detector
On-Wrist Activation Range
< 2 mm
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