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SM-6 B Coil Equivalent 4.5Hz Geophone Sensor

SM-6 B Coil Equivalent 4.5Hz Geophone Sensor (ST-4.5N) is a long coil travel version geophone, which is equivalent to SM-6 B coil 4.5hz geophone. The extra coil travel offers an advantage for higher tilt requirements and where larger amplitude signals may be encountered, for example, in industrial vibration monitoring.

The ST-4.5N geophone can be supplied for vertical and horizontal orientation, which is an ideal choice for the shear-wave horizontal elements, partnering the ST-4.5N vertical geophone in a 3-component package.

  • Long travel version of the ST-4.5N geophone.
  • Special orientations upon request beyond the normal vertical and horizontal options.
  • Widely used in industrial vibration-monitoring systems.
  • Ideal choice for shear-wave horizontal elements.
  • Rugged construction with precious-metal, rotating-coil contacts.
  • 3-year limited warranty on basic element exclusive of high voltage, lightening or physical abuse.

We supply ST-4.5N geophone coil, geophone element, single land cased geophone, 3-component geophone, geophone array and  multi-geophone string with split spring connector, Mueller clip connector, 408 screw fit connector & push fit connector, KCK connector or KCL connector optional. Lead wires from O.D 4.6mm to O.D 7.8mm available.

Click here and download data sheet of ST-4.5N geophone. Or contact us to get special discounts.

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For any inquiries, please contact with our Marketing Team at sales@seis-tech.com or Supporting Team at info@seis-tech.com.

MAIN TECHNICAL PARAMETERS
Type ST-4.5N( Equivalent to SM-6 B-Coil 4.5hz )
Natural frequency ( Hz ) 4.5±10%
Damping 0.6±5%
Coil resistance (ohms) 375±5%
Open circuit sensitivity (V/m/s) 28.8±5%
Harmonic distortion ( % ) ≦0.2
Typical spurious Frequency ( Hz ) ≧240
Moving Mass ( g ) 11.3
Max.coil excursion p-p (mm) 4
Max.tilt angle 20º
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 20℃±2℃.

●      3- year limited warranty on basic element exclusive of high voltage, lightening and physical abuse.

 

  • Other type of geophones are also available : SM-4 Equivalent, SM-24 Equivalent, SG10 Equivalent, GS-20DX Equivalent, GS-32CT Equivalent, GS ONE Equivalent, 1Hz, 2Hz, 2.5Hz, 3Hz, 4Hz, 4.5Hz, 5Hz, 8Hz, 10Hz, 14Hz, 15Hz, 28Hz, 30Hz, 38Hz, 40Hz, 60Hz,80Hz and 100Hz.
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