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Tokyo Shokushin VSE-355G3R Servo Velocity-meter

Product: made in Japan
Manufacturer: Tokyo Sokushin
Model: VSE-355G3R

Bore-hole type velocity-meter of VSE-355G3

Feature

The model VSE seismometer is designed for very wide range earthquake measurement.
Recommendable application: Broadband Seismology, Regional and Teleseismic, Microseisms, Tsunami warning, Strong-motion observation.

   Chip level2m/s
Frequency range0.008 to 70Hz
Dynamic range146dB
GL depth max.GL-300m

Frequency response

Specifications

BROADBAND BORE-HOLE    VSE-355G3R
Mode of operationTri-axial
Frequency range0.008 to 70Hz
Max. measuring range±2m/s, ±20m/s2 (±2000Gal)
Sensitivity5V/m/s × 2
Max. Output voltage±20V(Balanced output)
Tilt Output5.13V/0.1degree
Resolution10-8m/s2 (10-6Gal)
Dynamic range146dB
Calibration coil15μA/Gal, 1000Ω
LinearityLess than 0.03%
Cross axis sensitivity0.50%
Sensitivity of Temperature coefficient0.01%/℃
Temperature coefficient of zero-shift0.05%/℃
Power requirements±15VDC
Current consumption150mA
ArresterVoltage 30V, Current 5kV, 100A
Temperature range-10℃ to 50℃
Allowable shock30G (less than 0.1sec)
Dimensionφ140 × 621.5 mm
EnclosureWaterproof 30kg/cm2

 

Recording Range

VSE-355G3 can record the important seismic signals shown by blue area

Dimension

Micro Earthquake (Teleseismic)

Small aftershock of Sumatra Earthquake, Observed in Japan distance of 6,400km from Epicenter.

Strong Motion (Near Source)

Off-Tokachi Earthquake (M=7.1), on September 26, 2003, distance from 90km from Epicenter.

 

The specification may change without notification because of the proved product.

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