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earthquaking event with a wave velocity 3-8 km/s.

See Also: Seismometers, Geophones

Showing results 61 - 74 of 74 products found.

  • Vibration and Position Monitors

    Riverhawk Company

    Our Vibration Monitors measure vibration double amplitude (displacement) or vibration severity (velocity). There are two ways to sense vibration: Relative to the frame or bearing cap using proximity probes or Absolute which is relative to a point in space (i.e. seismic displacement pickups, velocity transducers or accelerometers).

  • Seismograph

    ANTEO - PASI srl

    ANTEO  expresses a new philosophy of seismograph; the system - designed for an unlimited number of channels - consists of a control unit and display ( ANTEO CU ), connected to one or more special seismic cables (ANTEO AD6-x ), each of them equipped with 6 A / D converters to 24 bits .

  • 3D Land Geophone-HVSR-MASW-Holisurface

    3DLG - PASI srl

    The 3D Land Geophone Mod. 3DLG-2 is the ideal accessory to add to your seismic instrumentation and perform HVSR, MASW and Vibration Analysis. One vertical and two horizontal high-performing sensors - with 2Hz resonance frequency and properly coupled - are mounted in a robust waterproof case, delivered with adjustable feet and inter-changeable spikes

  • Soil Mechanics

    VERCAM - PASI srl

    VERCAM is a program for the analysis and design of retaining, gravity and in concrete walls; which can evaluate the maximum safety factors both under normal and seismic conditions. The programme can automatically calculate the reinforcement bar dimensions and their position as well as verify the corresponding stress in the materials for reinforced concrete barriers.

  • Broadband Seismometers

    Güralp 3 series - Güralp Systems Ltd

    The Güralp 3 range of compact three-component broadband seismometers are suitable for surface vault, subsurface vault, posthole and borehole installations. The instruments are thoroughly proven and have been in continuous production since 1987. The Güralp 3T is widely used on many National Seismic Networks, with over 3000 triaxial instruments deployed worldwide. The instruments can be supplied with built in digitisers, acquisition modules and a range of storage and communications options.

  • Electrodynamic Velocity Pickup

    IMV Corporation

    The principle of Reciprocal Pendulum type Pickup is to induce voltage by reciprocal motion of the seismic mass with a coil in the magnetic field being suspended by a diaphragm or coil spring.. Because of its High Sensitivity and Advanced Linearity, it is suitable for detection of malfunction or deterioration of rotational machineries. Due to its structure, mounting should be done carefully for its direction or angle.

  • Active Vibration Isolation

    Integrated Dynamics Engineering

    This includes Passive and Active vibration isolation modules. Our vast number of advanced solutions – from compact Passive LC series to the TCN Active series expanding to the cutting edge most advanced in vacuum NGI series – provide options for every difficult application issue that exists today. Since seismic vibrations tend to be random, all frequencies need to be addressed.

  • Single Channel Vibration Monitor

    SCM1100 - Riverhawk Company

    The SCM1100 is a Single Channel Monitor for vibration monitoring utilizing the Riverhawk A1 seismic sensor. It is a direct replacement for the older V/P-T3, VT-11A, and Series 2000 TriLight products. Through the interconnecting cable, the A1 sensor receives an excitation signal from the monitor and in turn provides an output back to the monitor. The monitor processes, filters, conditions, measures and displays the signal.

  • Slip Table Assembly

    CSTA Series - Unholtz-Dickie Corporation

    Unholtz-Dickie introduced the Combined Slip Table Assembly (CSTA) in the late 1960''s to meet the demand for positive mechanical alignment between the shaker and its companion horizontal slip table. The challenge was to achieve this positive, permanent alignment feature without requiring an expensive seismic mass in the vibration lab floor. The original CSTA design has been continuously improved over the years and has now become the industry standard for permanently aligned, integral reaction mass slip tables.


    Bloomy Controls, Inc.

    A centrifuge model at a scale of 1/N can be subjected to a steady acceleration field equivalent to N times earth's gravity, and simulate severe stress conditions of a hazard on the model. By applying appropriate data acquisition techniques, the stresses and response of a geotechnical system can be verified throughout the model. This includes measurements in the ground at different locations, the movement of a structure, and video imagery of a sequence of events leading to a seismic event.

  • Transmitters

    XT Series - Riverhawk Company

    The XT-101 Vibration Transmitter converts the vibration signal as sensed by a proximity probe or seismic senor to a DC voltage which proportionally controls a 4-20 mA current loop for a specified vibration range such as 0-5 mils peak-to-peak, 0-125 microns peak-to-peak. Please take note that the loop current solely powers the transmitter. The XT-101 Model is most commonly used.

  • Accelerometers

    Columbia Research Laboratories

    The force balance accelerometer has a classical critically-damped, second-order frequency response. There is no peaking in the response but simply a smooth roll-off above the natural frequency. This property along with the excellent characteristics of the "HP" torquer design makes Columbia accelerometers the best choice for demanding applications where precise DC and near-DC measurements are needed in demanding shock and wide band vibration environments. Columbia force balance accelerometers are available to cover virtually all applications. Low noise, high output units can be used for seismic structure motion studies while miniature, high range versions are optimum for measuring more violent high G environments encountered in many industrial, aircraft and missile applications.

  • Microseismic Reservoir Monitoring

    ESG Solutions

    Microseismic monitoring is a powerful regulatory and production optimization tool in use for oil field operations such as Enhanced Oil Recovery (EOR), carbon sequestration or natural gas storage. During such injection operations, maintaining the integrity of the reservoir is essential. Through our RESMAP® services, ESG has pioneered the use of passive seismic (microseismic) monitoring in long-term reservoir operations, to provide feedback on the reservoir integrity.  Using in-house manufactured downhole sensors and data acquisition equipment, ESG has installed permanent and temporary microseismic monitoring systems to provide life-of-field (LOF) monitoring for EOR operations and underground storage projects around the world.

  • Temperature Transmitter

    Xi'an HangSi Mechanical & Electrical Technology Co.,Ltd.

    protection pipe and the measuring element is a separate type structure, can quickly change the temperature measuring element, don't stop to repair. protection tube type and diverse materials, which can meet the high pressure, high temperature and strong corrosion medium temperature measurement needs. temperature core and a protective tube at the bottom of the spring is compressed, can reduce the thermal inertia and improves the shockproof performance.The armoured element, pressure, seismic, stable and reliable work. explosion-proof mark: D BT6, D CT6 (excluding acetylene) and IA CT6, suitable for level II, temperature classes for T1~T6, temperature measurement with explosive gas environment.