Low Frequency Geophone 0.75Hz for Passive Seismic Survey

• After-sales Service: Available
• Warranty: 1 Year
• Accuracy: <1mm
• Vertical Lines: 1
• Horizontal Line: 1
• Natural Frequency: 0.75
• Model NO.: high sensitivity geophone
• Sensitivity: 600V/M/S
• DC Resistance: 35000ohms
• Distortion: Less Than 0.2%
• Moving Mass: 770g
• Max.Coil Excursion P-P: 6.0mm
• Element Diameter: 65mm
• Element Height: 107.00
• Element Weight: 1400g
• Transport Package: Standard Export Carton
• Specification: 1Hz
• Trademark: SEIS TECH
• Origin: China
• HS Code: 9015800090
• Production Capacity: 5, 000.00/Year

Product Description

Low Frequency Geophone 0.75Hz for Passive Seismic Survey with  vertical direction  geohpone (P wave) and horizontal direction geophone (S wave) are available, which are suitable for deep seismic exploration, engineering pulse measurement and other vibration analysis.

- Long travel version of the ST-0.75A geophone, with Max.coil excursion p-p 6.0mm.

- ST-0.75A Geophone with or without metal case are available.

- Single Vertical Geophone, Single Horizontal Geophone or Triaxial Geophone are optional.

- Widely used in passive seimsic survey, deep seismic exploration, engineering pulse meansurement, long time micro-seismic monitoring,etc.

- Rugged construction with precious-metal, rotating-coil contacts.

- High sensitivity of 600.0V/m/s.

- 1-year limited warranty on basic element exclusive of high voltage, lightening or physical abuse.
 

Type	ST-0.75A
Natural frequency ( Hz )	0.75±10%
Damping	0.32±10%
Sensitivity (80hz) (V/m/s)	600±10%
DC Resistance (Ω)	35000 ±10%
Distortion ( % )	<=0.2
Insulation Resistance (MΩ)	≥50
Moving Mass ( g )	770
Max. coil excursion p-p (mm)	6.0
Element Diameter (mm)	65.0
Element Height (mm)	107.0
Element Weight (g)	1400.0
Operating Temperature(ºC)	-40ºC to + 90ºC
Working Direction	Vertical or Horizontal
All parameters specified herein are rated at a temperature 20ºC±2ºC. 1-year limited warranty exclusive of high voltage, lightening or physical abuse.