strong motion accelerometers, making them ideal for local earthquake early warning and structural health monitoring applications. They all feature flexible gain options so they can perform optimally in a wide range of earthquake monitoring scenarios.

Stable performance

? Large dynamic range >135dB

? Amplitude-frequency feature DC-170Hz Wide and flat

? IP67 protection grade with good sealing characteristics

? Can be manually adjusted to zero

? has a calibration loop, which can be damped,Calibration of period and response sensitivity.

? temperature drift < 50 ug / ° C

Application areas:

? Strong earthquake observation

? Structural monitoring of hydraulic structures

? Free field measurement

? Site evaluation

? Aftershock study