Product Name: Low Frequency Geophone Sm-6 Style 4.5Hz for Masw and Vibration Monitoring Model NO.: 4.5Hz Geophone Horizontal Line: 1 Vertical Lines: 1 Accuracy: <1mm Natural Frequency: 4.5Hz Geohone Type: Sm-6 B Coil Style Geophone Direction: Vertical, Horizontal, 3 Component Geophone Case: Reinforeced Waterproof Land Case Geophone Spike: 75mm Steel Spike or Flat Snow Tripod Leader Cable: 4.6mm,5.3mm,6.4mm,7.8mm Geophone Connector: Mueller Clips, Split Plate Clip, Kooter, Kck, Kcl Trademark: SEIS TECH Transport Package: Standard Export Carton Specification: 1x1, 3x1, 3x2, 6x1, 6x2, 12x1, 3X4 Origin: China HS Code: 9015800090 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 vertial and horizonta orentation, 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.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.- Custom geophone connector and lead wire applicable upon request.Contact with us to get a quotation.