Tokyo Sokushin VSE-355EI Servo Velocity-meter

Product: made in Japan
Manufraturer: Tokyo Sokushin
Model: VSE-355EI

Surface mount model

Model	VSE-355EI (Ground surface type) VSE-355JE (borehole type)
Frequency	0.018 to 100Hz
Mode of operation	Tri-axial
Max. measuring range	±2m/s, ±20m/s２(±2000Gal)
Output (triple)	Velocity(L): 5V/m/s, (H): 200V/m/s Acceleration: 500mV/m/s2(5mV/Gal)
Output resistance	Less than 50 Ohm
Max. output voltage	±10V
Linearity	0.03% of Full scale
Resolution	10-7m/s２ (10-5Gal)
Dynamic range	More than 136dB
Damping ratio	10000% to 20000% (h = 100 to 200)
Calibration coil	Sensitivity: 1.5mA/m/s2 (15μA/Gal) Coil resistance: 550Ω (±20%)
Power requirements	±15VDC
Current consumption	Approximately 90mA
Linearity	Less than 0.03%
Cross axis sensitivity	0.03G/G
Temperature coefficient	Sensitivity:0.01% / ℃ Zero shift: 0.05% / ℃
Arrester	Voltage 30V, Current 5kV, 100A
Temperature range	-10℃ to 50℃
Extension cable	20 Core Shielded Cable
Allowable shock	30G (Less than 0.15Sec)
Dimension	VSE-355EI: 260 × 260 × 159.6 mm VSE-355JE: φ80 × 764.2 mm
Waterproof case	VSE-355EI: 98kpa VSE-355JE: 3000kpa

Model	PF-604
Input	Tri-axis (Standard)
Output	Vel.(H), Vel.(L), Acc. of each components
Display	Zero-voltage indication of the elected component
Monitor output	Vel.(L), Vel.(H), Acc of the selected component
Power requirement	AC85 to 132V
Dimension	480 × 150 × 300 mm
Operating temperature	-10℃ to 45℃

Calibration coil	Sensitivity: 1.5mA/m/s2 ; Coil resistance: 550Ω (±20%)
Power requirements	±15VDC
Current consumption	Approximately 90mA
Linearity	Less than 0.03%
Cross axis sensitivity	0.03G/G
Temperature coefficient	Sensitivity:0.01% / ℃ : Zero shift: 0.05% / ℃
Arrester	Voltage 30V, Current 5kV, 100A
Temperature range	-10℃ to 50℃
Extension cable	20 Core Shielded Cable
Allowable shock	30G (Less than 0.15Sec)
Dimension	VSE-355EI: 260 × 260 × 159.6 mm VSE-355JE: φ80 × 764.2 mm
Waterproof case	VSE-355EI: 98kpa : VSE-355JE: 3000kpa

Equation form of Velocity and Acceleration are expressed as:

Readout signal are very steady because m, R, C, and Gs are steady value.

Not including the factor of displacement sensor of pendulum is important.

The specification may change without notification because of the proved product