JapaneseMcSEIS-MT NEO
The McSIES-MT NEO is a data acquisition instrument for microtremor array measurement and vibration monitoring.
It is an all-in-one device in which high-performance accelerometer containing 1 component or 3 components, a precise global positioning system (GPS) and a battery are incorporated.
It can be used for microtremor measurement for obtaining the natural frequency, vibration property of the ground, and vibration property of a structural object.
Microtremor array survey can be performed by assembling a triangular array using 4 or 7 units.
The precise GPS in each instrument makes it possible to synchronize all recordings easily.
In addition, software ''SeisImager / MT NEO'' is available for analyzing phase velocity to produce the 1D S-wave velocity structure of the ground. Optional wireless LAN communication function is also available.
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Features
- The all-in-one structure enables measurements without a cable
- Operational menu is simply displayed on its LCD screen
- Data can be easily transferred from its SD memory card to a PC
- Temporal synchronous measurements between multiple devices, the correction of a clock in the device, and the acquisition of positional information are enabled by its GPS
- A special program, SeisImager / MT NEO, is available for the analysis of its data
- With an optional wireless communication module, various settings of devices and confirmation of data is possible via wireless communications.
Specification
Physical
| Dimensions | (W)220 x (D)245 x (H)250mm (protrusion is excluded) |
|---|---|
| Weight | approximately 7.5kg (Main unit : 5kg, Internal battery : 2.5kg) |
Enviromental
| Operating temperature | -20 to +55˚C |
|---|---|
| Storage temperature | -30 to +60˚C |
| Humidity | 5 - 90% (non-condensing) |
| Case | Water-proof construction (equivalent to IP43) |
Sensor (Servo-Accelerometer)
| Resolution | 1μG |
|---|---|
| Sensitivity | 2.0V / G |
| Range | + / -4G |
DATA ACQUISITION
| Input channels | 1ch or 3ch (1ch : Vertical, 3ch : Vertical & Horizontal) |
|---|---|
| Sampling time | 2, 4, 10, 20, and 50ms (low pass filter, fc = 206Hz) |
| Input impedance | 1MΩ |
| Frequency band | 0.1 - 200Hz |
| Dynamic range | 120dB |
| A / D converter | 32bits (S / N ratio on 127dB 500sps) |
| Recoding Mode | Manual, Auto, Timer |
| Data Format | Binary format |
| Recording media |
SD memory card (FAT16) 2GB SDHC memory card (FAT32) 4GB, 8GB, 16GB |
CONTACT
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