Low Frequency Geophone 4.5Hz for Masw, Hvsr and Vibration Monitoring

• After-sales Service: Available
• Warranty: 3 Year
• Accuracy: <1mm
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: 4.5hz geophone
• Vertical Lines: 1
• Horizontal Line: 1
• Natural Frequency: 4.5Hz
• Geophone Direction: Verrtical, Horizontal or 3 Component
• Damping: 0.6
• Coil Resistance: 375ohms
• Sensitivity: 28.8V/M/S
• Typical Spurious Frequency: Greater Than 240Hz
• Moving Mass: 11.3G
• Max.Excursion P-P: 4mm
• Max.Tile Angle: 20 Degree
• Element Diameter: 25.4mm
• Element Height: 36mm
• Element Weight: 86g
• Warranty Period: 3 Years
• Transport Package: Standard Export Carton
• Specification: Vertical / Horizontal
• Trademark: SEIS TECH
• Origin: China
• HS Code: 9015800090
• Production Capacity: 500, 000.00/Year
• Package Size: 10.00cm * 10.00cm * 5.00cm
• Package Gross Weight: 0.090kg

Product Description

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