Seismic alarm recording device capable of control based on SI values.
Detects the acceleration of seismic motion, and when the alarm determination signal calculated from that value exceeds a preset alarm level, it triggers an alarm and records the time history acceleration waveform of the seismic motion onto a memory card (CF card).
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basic information
● The activation level is determined using the vector composition of the horizontal components or the acceleration value of the vertical component (up and down motion). ● It has seven levels of alarm settings, each of which can be independently set to any value (maximum acceleration value of horizontal component composition, maximum acceleration value of three-component composition, selected from SI values). ● Displays on the LCD screen the recorded data such as the occurrence time of the detected seismic motion, maximum acceleration values of each component, maximum acceleration value of the composition, SI values, as well as setting conditions and fault data, according to the operation. ● Uses a 24-bit A/D converter to record high-precision digital waveforms on a memory card (CF card). ● The self-diagnosis function detects abnormalities, and when detected, the fault LED on the main panel lights up, outputting necessary information to the serial interface port. ● The power supply is AC100V. During a power outage, it can operate for 6 hours using a rechargeable backup battery. ● The built-in printer prints the occurrence time of seismic motion detection, maximum acceleration values of each component, maximum acceleration value of horizontal component composition, maximum acceleration value of three-component composition, and SI values.
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Seismic measurement
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A group of acoustic measuring instruments such as sound level meters and vibration meters, particle counters essential for cleanliness management, seismic measurement systems including earthquake meters for disaster prevention and control, and further expanding product fields centered on welfare and environmental issues, contribute to the enhancement of social welfare, safe living, and technological innovation through a long accumulation of technology and continuous challenges to new technologies.
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