GraGraph Home Seismometer

GraGraph Home Seismometer.
  • Home seismograph that warns you as an earthquake is occurring.
  • It measures the intensity, and records the data in its calendar.
  • During the night, it activates a safety light.

The GraGraph is a home seismograph that warns you as an earthquake is occurring, measures the intensity, and records the data in its calendar. The verbal warnings are in Japanese, but the digital data can be easily accessed in any language. In normal mode, the GraGraph serves as a tabletop calendar / clock and a reference for past activity.

GraGraph features

  • Perceives shaking, and indicates on display
  • Warns of shaking with sound and voice
  • Indicates level from 3 - 10
  • Keeps record of previous seismic activity
  • During the night, it activates a safety light
  • Calendar / Clock function

GraGraph specifications

  • Size: 144 x 130 x 127 mm (4.7 x 5.1 x 5 inches)
  • Weight (w/o battery): 330 g (11.6 oz)
  • Color: grey, pink, yellow, blue
  • Time precision: 30 seconds ± per month
  • Timer (30 minutes)
  • Temperature range: -10? ~ +40?
  • Audio player adapter
  • Batteries: 4 x AA (not included)
  • Instructions: English

See also

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