Sensor SM-6/H-B Style 4.5Hz Geophone

Sensor SM-6/H-B style 4.5Hz Geophone( P/N: ST-4.5B) is a low distortion geophone with high sensitivity of 80.0V/m/s. The SM-6/H-B style 4.5Hz Geophone( P/N: ST-4.5B) can be supplied for vertical and horizontal orientation, which is an ideal choice for the shear-wave horizontal elements, partnering the ST-4.5B vertical sensitivity geophone in a 3-component package.

High open circuit intrinsic voltage sensitivity of 80.0V/m/s.
Low harmonic distortion is no bigger than 0.3%.
Work in the direction of Vertical, Horizontal or Three component structure.
Rugged construction with precious-metal, rotating-coil contacts.
Suitable for vibration monitoring.
3-year limited warranty on basic elements exclusive of high voltage, lightning or physical abuse.

Click here and download the datasheet of Sensor SM-6/H-B style 4.5Hz Geophone or contact us and get more detailed information.

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MAIN TECHNICAL PARAMETERS

Technical Specifications for Sensor SM-6/H-B Style 4.5Hz Geophone

Type	ST-4.5B(Equivalent to Sensor SM-6/H-B 4.5Hz)
Natural frequency ( Hz )	4.5±0.5
Open Circuit Damping	0.65±10%
Coil resistance (ohms)	3500±5%
Open circuit sensitivity (V/m/s)	80±5%
Harmonic distortion ( % )	≦0.3
Moving Mass ( g )	11.3
Max. coil excursion p-p (mm)	4
Max. tilt angle	5º
Element Diameter (mm)	25.4
Element Height (mm)	36
Element Weight (g)	86
Operating Temperature( ℃ )	-40℃ to + 100℃
Warranty Period	3 years
● All parameters specified herein are rated at a temperature of 20℃±2℃. ● 3- year limited warranty on basic element exclusive of high voltage, lightening or physical abuse.