Daqtometer

Daqtometer V2.4The Daqtometer is a wrist worn ambient light and activity monitor. It records light levels and any acceleration or changes in orienta- tion of the wrist. Light and activity are measured and stored in freely adjustable intervals in the internal memory. Up to one year of data in one minute intervals can be re- corded. Even in case of an empty battery the data cannot be lost. The spectral sensitivity of the light sen- sor is comparable to the human eye.

Communication with a computer in order to facilitate set-up and read-out of the acquired data is realized by an USB-Infrared interface. The software is available for Windows XP and Linux.

Specifications for Daqtometer v2.4

  • Recording time for light and activity in 1min intervals each = 364 days (1024kb total memory).
  • Light data recorded with a resolution of 8-bit with a user definable "dark" offset.
  • Increased download speed compared to V2.3
  • No calibration needed for activity recording with dual-axis MEMS.
  • User-programmable feedback LED indicates correct recording mode.
  • Approx. battery life: 1 year of continuous recording (internal sensor for low battery).
  • Weight: 21 g, Dimensions: 40 mm x 44 mm x 12 mm
  • RoHS, FCC and CE compliant

Specifications for Daqtometer v2.3 (phased-out - no longer available)

  • Recording time for activity data in 1min intervals = 184 days (256 kb memory).
  • Recording time for light data in 1 min intervals = 126 days (44 kb memory).
  • Light values are assigned to one of four user definable categories and stored as 2-bit values.
  • No calibration needed for activity recording with dual-axis MEMS.
  • User-programmable feedback LED indicates correct recording mode.
  • Approx. battery life: 1 year of continuous recording
  • Weight: 21 g, Dimensions: 40 mm x 44 mm x 12 mm
  • RoHS, FCC and CE compliant