SPECIFICATIONS.pdf

Actiwatch Spectrum Plus (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 2032 Rechargeable Lithium Coin Cell (Factory Replaced)

Logger Battery Life: 50 days

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)

Off wrist detector

Sensor: Capacitive

On-Wrist Activation Range: < 2mm

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 doc 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