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China, Chinese Low Frequency Geophone 2Hz for Hvsr, Masw and Vibration Monitoring1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Geographic Surveying InstrumentOther Geographic Surveying InstrumentsMasw and Vibration MonitoringGeophone 2HzHigh Sensitivity Geophone
SEIS TECH INC.
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Product Description Low Frequency and high sensitivity geophone of ST-2A is designed for receiving deep, low frequency and weak signals, with the characteristics of ultra-low natural frequency, ultra-high sensitivity along with small volume and light weight. ST-2A is suitable for engineering vibration measurement and single point signal acquisition with vertical, horizontal or three-component combination optional.- High signal-to-noise ratio and wide dynamic range.- Low natural frequency of 2Hz. - Ultra-high sensitivity of 260V/m/s.- Low distortion≤0.3%.- Single point acquisition, light weight and portable deployment.- For single geophone array: Equipped with Universal aerospace connector for connecting with main stream acquisition systems.- For single geophone array: Equipped with stainless steel case with compact and high strength structure.- For single geophone array: Specialized steel rope for portable hand harrying is available.- For single geophone array: Equipped with specialized short circuit connector, to ensure service life of the geophone.- 1 Year limited warranty on basic element exclusive of high voltage, lightening or physical abuse.TypeST-2ANatural frequency (Hz) 2±15% DC Resistance (ohm) 6400 ±10% Sensitivity (V/m/s)260±15%Open Circuit Damping 0.7±15%Distortion (%) <=0.3Typical spurious Frequency(Hz)≥ 90Moving Mass(g)60.0Max. coil excursion p-p(mm)3.0Allowable TiltVertical: 5o / Horizontal: 3oElement Diameter (mm) 38.0Element Height (mm) 47.0Element Weight (g) Vertical:264.0g / Horizonta:l 273.0g.Operating Temperature(oC) -40oC to + 100oC Working DirectionVertical / Horizontal / Three-componentAll parameters specified herein are rated at a temperature 20oC±2oC1-Year limited Warranty on basic element exclusive of high voltage, lightening or physical abuse.
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