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Hydrogeogical Instruments are used to identify and study of the movement, distribution, and quality of water on Earth.



Resistivity meter injects a current into the ground through two metal stakes (electrodes) and measures the resulting voltage difference on the ground surface between two other points. 


  • Hydro-geology ;for shallow and deep aquifer mapping or GW Exploration ,Water Recharge Zone Identification and Underground water inspection

  • Engineering geology for foundation study /pre-concrete structure identification

  • Metal and non-metal mineral resources detection

  • City geophysical exploration, railway and bridge inspection and so on

  • Geothermal prospecting

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The geoelectric resistivity technique is meant to be the most suitable and efficient way for groundwater exploration. It depends upon the concept of subsurface determination, which can yield valuable data on the structure, composition, and water content of the soil. It is supported by Mobile Application for Data Acquisition, processing, and Interpretation that surpasses the limitations of resistivity meters in Ground Water exploration. It uses a mobile phone or tablet PC to execute the complicated information calculated to realize and draw 2D/3D profile maps and contour maps by an application. This innovative advanced technology enables the detailed geophysical survey to become more accessible and simpler.

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A geophone is a transducer that geophysicists and seismologists have used to convert ground movement into voltage. Any deviation in this measured voltage from the baseline is regarded as a seismic response used to analyze the earth's structure. Our Geophones are high quality, consistent, solid body, good sealing, and lightweight. It can meet multi-function seismic wave data recording owing to high resolution, low distortion, high sensitivity, and moderate damping factor.


  • Seismic Survey

  • Earthquake Monitoring

  • Micro pulse measurement of Dam, Bridge & Roads

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Borehole logging equipment Useful in both open holes to measure hole size and volume and increased holes to locate screens, perforations, and other important attributes. Water is the most valuable and inevitable resource that earth holds today; with Century’s equipment, determining proper placement of screen zones and well completion is beneficial in today’s water market. Multi-parameters tools with up to ten different functions are very popular, and equipment is priced to be economical for most small to mid-sized drilling or geophysical companies. Other necessary measurements are borehole equipment logging, impeller or EM flowmeter measurements, sonic velocity or cement bond logging, and borehole deviation. Comparatively, geophysical logging systems work well when it comes to groundwater.



Electrical resistivity of subsurface materials differs with their compositions and water contents, the resistivity contour maps are helpful to get a general background of the subsurface condition or find exciting targets. For instance, since soils and bedrocks generally have different resistivities, ERI can delineate soil-bedrock interfaces.


  • Hydro-geology ;for shallow and deep aquifer mapping or GW Exploration ,Water Recharge Zone Identification and Underground water inspection

  • Engineering geology for foundation study /pre-concrete structure identification & lithology mapping

  • Soil piping or Tunnel erosion study , karst and void investigation

  • Land subsidence and Landslide geometry mapping

  • Environment site assessment

  • Saline Intrusion study for delineation of fresh water and saline zone

  • Dam seepage study

  • Metal and Non-metal mineral resources detection

  • City geophysical exploration, railway and bridge inspection

  • Hydrology and engineering geology as seeking for ground water, inspecting dam base and flood protection levee for incipient faults

  • Geothermal prospecting

  • Landslides and other geological disaster exploration

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A seismographic network records earthquakes. Each seismic terminal in the system determines the motion of the ground in a particular area. The slip of one rock over the other in an earthquake releases energy that makes the ground vibrate. Thus the vibration pushes the adjoining piece of ground and causes it to vibrate, and thus the energy travels out from the earthquake hypocentre in a wave.


  • Inspecting building base, roadbed and civil engineering

  • Roadbed, roadbed cavern and lava survey

  • Quaternary overburden layer delamination

  • Foundation soil type sorting and hazardous geological body survey

  • Foundation soil medium physical property delamination survey

  • Foundation reinforcement and roadbed backfilling survey

  • Bedrock depth and hidden geological structure prospecting

  • Engineering inspection

  • Tunnel line survey and wall rock classification

  • Concrete lining quality detection

  • Tunnel bottom detection and pilot detection

  • Tremor monitoring

  • Environmental and geologic hazards detection and evaluation

  • Landslide, karst, debris flow, mined-out area, active fault detection, etc.

  • Large-scale and medium-scale water reservoir monitoring

  • Dykes and dam incipient fault detection

  • Reservoir silt survey and silt discharging quality inspection

  • On backfilling stone detection of large-scale or medium-scale dam

  • Bridge engineering inspection

  • Bridge pier foundation inspection

  • Bridge pier concrete inspection

  • Bridge tremor inspection

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WTEM-2 Medium-Deep/Deep Time Domain TEM Exploration System applies to medium-deep/deep transient electromagnetic sounding exploration. It features high power, short turn-off time, high reliability, strong anti-interference performance, lightweight, and low power consumption. The system is composed of WTEM-2J TEM Exploration System Receiver, WTEM-2D/60 High-power Transmitter, WTEM-2T/GPS Transmitter Synchronized Controller, the PTT-40A Antenna & Adapter, and one Touchpad.


  • Hydrogeology

  • Geothermal Prospecting

  • Mineral Exploration

  • Engineering Geology

  • Geological Mapping



The significant applications of magnetometers include the following,
Discovering buried ferrous containers in environmental surveys.
Finding and tracing buried pipelines in utility-type surveys.
Locating abandoned wells for decommissioning and sealing.
The teaching of geophysical techniques.
Other uses include mineral exploration surveys, UXO, archaeology, and other surveys not listed, which may be better performed with Over Hauser or Optically Pumped Potassium systems.

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