Reliable Multi Geophone String 10Hz for 2D and 3D Seismic Survey

• After-sales Service: Available
• Warranty: 3 Year on Basic Element
• Accuracy: <1mm
• Vertical Lines: 1
• Horizontal Line: 1
• Natural Frequency: 10Hz
• Model NO.: geophone string
• Geophone Direction: Vertical or Horizontal Optional
• Geophone Case: Reinforced Land Case or Waterproof Case for Marsh
• Spurious Frequency: More Than 250Hz
• Warranty Period: 3-Year
• Geophone Spike: 75mm Steel Soil Spike or Brass Spike
• Leader Cable Od: 4.6mm to 7.8mm Available
• Coil Resistance: 395ohms
• Shunt Resistance: 1000ohms
• Sensor Structure: 32CT Structure
• Element Diameter: 25.4mm
• Element Hight: 32mm
• Element Weight: 89.0g
• Harmonic Distortion: Less Than 0.1%
• Transport Package: Standard Export Carton
• Specification: Vertical / Horizontal
• Trademark: SEIS TECH
• Origin: China
• HS Code: 9015800090
• Production Capacity: 500, 000.00/Year

Product Description

I Application:

For geophysical seismic exploration, geological survey and other geological exploration.

II System Compatibility:
1) Sercel 408UL , 428XL, 508XT and Geospace GSR, Fairfield, Wireless and other wired and wireless seismic data acquisition instruments.
2) Geometrics, Summit and other geology survey instruments.
3) Geophone element could be replaced by SM-24 , SG-10, GS-20DX,GS -32CT and other type of mainstream geophone elements.

III Flexible Configuration:
1) Wiring with 1X1, 3X1, 3X2, 6X1, 6X2 optional.
2) Geophone array for land and geophone array for Marsh and Transition zone selectable.
3) Custom leader wire type applicable.
4) Push fit geophone connector and Screw fit geophone connector optional.

IV Features
1) Suitable Working Field : plain, hill, mountain, desert, snow field, marsh and transition zone, etc.
2) 20 meters' waterproof for marsh array and 1 meter's waterproof for land array.
3) Compact structure, small size, light weight and easy maintenance.

Type	ST-10N (Equivalent to SM-4,10hz)	ST-10PN (Equivalent to SM-24,10hz)	ST-10PG (Equivalent to SG-10)	ST-10PD (Equivalent to GS-32CT)	ST-20DX 10hz (Equivalent to GS-20DX,10hz)
Natural frequency ( Hz )	10±5%	10±2.5%	10±2.5%	10±2.5%	10±5%
Open circuit damping	0.271	0.25	0.68	0.316	0.30
Damping with Shunt Resistor	0.6±5%	0.6+5%, -0%	/	0.698±2.5%	0.707±5%
Open Circuit Intrinsic Voltage Sensitivity(V/m/s)	28.8	28.8	22.8	27.5	28.0
Sensitivity with Shunt Resistor(V/m/s)	22.7±5%	22.5±2.5%	/	19.7±5%	20.0±5%
Coil Resistance (ohms)	375±5%	375±2.5%	350±3.5%	395±5%	395±5%
Harmonic Distortion ( % )	<=0.2	<=0.1	<0.075	<=0.1	≤0.2
Typical Spurious Frequency ( Hz )	>=240	>240	>240	>=250	≥200
Moving Mass ( g )	11.3	11.0	8.4	11.2	11.0
Max.coil excursion p-p (mm)	2.0	2.0	1.78	1.5	1.5
Max.tilt angle	20º	10º	15º	10º	20º
Element Diameter (mm)	25.4	25.4	27.4	25.4	25.4
Element Height (mm)	32	32	30.15	33.3	33.5
Element Weight (g)	74	87	78	89	87.0
Operating Temperature(ºC)	-40ºC to + 100ºC	-40ºC to + 100ºC	- 40ºC to + 100ºC	-40ºC to + 100ºC	--45ºC to + 100ºC
Warranty Period	3 years	3 years	3 years	3 years	3 years
- All parameters specified herein are rated at a temperature 20ºC±2ºC.
- 3-year limited warranty on basic element exclusive of high voltage, lightening or physical abuse.