SEIS TECH INC.  

Product Name: GS-20dx Style Geophone Sensor and Element for Seismic Data Acquisition and Vibration Monitoring Model NO.: ST-20DX Horizontal Line: 1 Vertical Lines: 1 Accuracy: <1mm Natural Frequency: From 8Hz to 100Hz Available Geophone Direction: Vertical, Horizotnal or 3c Optional Typical Spurious Frequency: Greater Than 250Hz Data Tolerance: 5% Geophone Case: Reinforced Land Case or Marsh Case Geophone Spike: 75mm Steel Soil Spike or Brass Marsh Spike Leader in Cable Od: 4.6mm to 7.8mm Available Warranty Period: 3-Year Trademark: SEIS TECH Transport Package: Standard Export Carton Specification: Vertical / Horizontal Origin: China HS Code: 9015800090 Product Description The GS-20DX equivalent digital grade geophoneis compatible with all field data acquisition system. All operating parameters are confirmed with computerized test system during the manufacturing process. The 20DX classic digital grade geophone is the industry standard. Its rugged design with pigtail construction ensures relability and data integrity in field conditions.- Industry standard for cost effectiveness, quality and reliability.- Typical spurious response greater than 250Hz.- 5% frequency and damping tolerance for minimum phase shift.- Waterproof land and marsh case require no poting and provide easy access to basic units.- Choice of three standard natural frequencies (8Hz, 10Hz,14Hz,28Hz,40Hz,60Hz and 100Hz).- 3-year limited warranty on geophone elements exclusive of high voltage, lightning or physical abuse.Contact with us to get special discounts.