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

Size 48 mm x 37 mm x 14 mm
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 8 months with continuous use
Memory Non-volatile 1 Mbits
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)
Off-Wrist Detector
Sensor Capacitive
On-Wrist Activation Range < 2 mm
Environmental Attributes
Moisture Protection Waterproof 1 m 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