Seismic intensity meter "G250 Series"

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last updated：Aug 24, 2026

Meisei Electric Co., Ltd.

Contributing to regional disaster prevention measures by accurately grasping highly precise earthquake information!

The "G250 Series" is an earthquake motion observation device that calculates and displays seismic intensity levels from 0 to 7 as defined by the Japan Meteorological Agency. Accurately recognizing the shaking felt during an earthquake as precise seismic intensity is essential for disaster prevention measures in communities and businesses. The measured seismic intensity information has a high level of accuracy that can be certified by the Japan Meteorological Agency, and it is adopted by meteorological observation stations and media outlets across Japan, providing accurate seismic intensity information. [Features] ■ Official measurement seismic intensity in accordance with the Japan Meteorological Agency ■ Voice announcement capability ■ Achieves low power consumption ■ Connection to up to 8 display panels ■ Output function for real-time seismic intensity calculation method by the National Research Institute for Earth Science and Disaster Resilience (optional) *For more details, please download the PDF or feel free to contact us.

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basic information

【Processing Unit Equipment Specifications (Partial)】 ■ Seismic Intensity Calculation: Based on the algorithm of Meteorological Agency Notification No. 4, dated February 15, 1996 ■ Display: 5.6-inch Color LCD (with touch panel functionality) ■ Printing: Paper width 58mm, thermal line dot method ■ Data Collection: 500 seismic intensity data points and others ■ Waveform Recording: Recorded on CF card (4GB) *For more details, please download the PDF or feel free to contact us.