Gragraph home seismometer

Earthquake measure device with memory, Clock and Calender

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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 home seismometer

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: 144x130x127mm (4.7”x5.1”x5”)

Weight (w/o battery): 330g (11.6 oz.)

Color: grey, pink, yellow, blue

Time precision: 30 seconds +/- per month

Timer (30 min.)

Temperature range: -10° + 40°

Audio player adapter

Batteries: 4 x AA (not incl.)

Instructions: English

Gragraph home seismometer

Available Options:
Colors:

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