D7S series vibration sensors

The D7S vibration sensor is the world’s smallest class size seismic sensors and helps prevent fire and other secondary disasters after an earthquake. Using the SI value, which has a high correlation with the seismic intensity scale that indicates the magnitude of an earthquake, it provides higher-precision judgment of seismic intensity scales.

The 3-axis acceleration sensor and OMRON's unique SI value calculation algorithm achieve surface-mountable compact modules and low power consumption, allowing for a higher degree of freedom for incorporation into devices and prolonged operation on battery power.

A shutoff output terminal (INT1) operates equivalent to a conventional mechanical vibration sensor and ensures compatibility with mechanical vibration sensors, while the I2C interface is able to obtain earthquake-related information from the Sensor with communications from external devices.

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  • Power supply voltage: 2.1 to 5.5 V 
  • Current consumption: 
    During standby: 90 μA or less
    Processing (average): 300 μA or less
  • Operating temperature: −30 to 70°C (with no condensation or icing)
  • Storage temperature: −40 to 80°C (with no condensation or icing)
  • Installation angle: ±5°
  • Ambient humidity: 25% to 95% (with no condensation or icing)
  • Storage humidity: 25% to 95% (with no condensation or icing)
  • Acceleration detection range: −2,000 to 2,000 gal
  • Schutoff output (INT1): Output at seismic intensity level 5 or higher
  • Communications interface: I2C
  • Dimensions: 10.9 × 9.8 mm
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