Stowood Scientific Instruments: Actiwatch

Actiwatch? is a series of ultra compact wrist worn activity monitors made by Cambridge Neurotechnology Ltd. for use in sleep and chronobiological medicine and research. They are lightweight (weighing from 16 gm) and can be worn as unobtrusively as a normal wrist watch.

Programmable epoch length is 0.25 to 15 minutes with a recording time up to 336 days. Additional capabilities also include:

> Activity Plus

> Light (Integral)

> Light (Remote)

> Body Temperature

> Environmental Sound

> Alarm and Alertness

> Subjective Input

> Reaction Time Test