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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.
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. |
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- 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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