1) Our Super Slim Sonde has an accelerometer(made by silicon audio Inc.)that uses optical interference.The diameter of this sonde is only 54mm. This Sonde is able to set inside a EPSON's crystal sensor for detecting "acceleration and tilt angle" as well.This is a unique product that cannot be found any other manufacturers.
Super Slim Sonde

2) Silicon Audio Accelerometer(203 Series) uses optical interference detection technology.The features are low noise in a wide frequency band, You can easily to transport & install.
Silicon Audio Accelerometer 203 Series

3) The Nanometrics "Trillium Compact Horizon" velocity broadband seismometer uses the proven Trillium Compact. That is even smaller and lighter (weight 1.1 kg / diameter 85.5 mm) without compromising durability or performance.
Trillium Compact Horizon

4) The 360GSN seismograph is the pinnacle broadband seismograph. It has a low noise below NLNM in all frequency domains.You can choose the shape suitable for the installation location such as Valut, Posthole, Borehole.
360GSN seismograph

5) This unique crystal sensor is a high-precision 3-axis accelerometer.Low noise, high stability, and low power consumption. This product can be used for various purposes such as structural soundness diagnosis, earthquake observation, civil engineering / construction machinery, agricultural machinery, robot attitude detection, and condition monitoring of industrial equipment.
Crystal sensor

6) This compact accelerometer recorder has a EPSON A-352 crystal accelerometer, which is synchronized with GNSS and enables continuous recording at accurate time. Operates on DC12V power supply, low power consumption (1W). Recorded data can be recorded in SD card (maximum capacity: 32GB). You can also read the data via FTP over a network connection.
Compact accelerometer recorder

7) The LE-3D series velocity seismographs manufactured by Lennartz have many achievements, are compact, have no math rock, are capable of wideband measurement with low power consumption and low noise, and are easy to transport and install.
Lennartz LE-3D