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2D 3D Multi Channel Geophysical Resistivity Meter Survey Instrument

    Buy cheap 2D 3D Multi Channel Geophysical Resistivity Meter Survey Instrument from wholesalers
     
    Buy cheap 2D 3D Multi Channel Geophysical Resistivity Meter Survey Instrument from wholesalers
    • Buy cheap 2D 3D Multi Channel Geophysical Resistivity Meter Survey Instrument from wholesalers
    • Buy cheap 2D 3D Multi Channel Geophysical Resistivity Meter Survey Instrument from wholesalers
    • Buy cheap 2D 3D Multi Channel Geophysical Resistivity Meter Survey Instrument from wholesalers
    • Buy cheap 2D 3D Multi Channel Geophysical Resistivity Meter Survey Instrument from wholesalers
    • Buy cheap 2D 3D Multi Channel Geophysical Resistivity Meter Survey Instrument from wholesalers

    2D 3D Multi Channel Geophysical Resistivity Meter Survey Instrument

    Ask Lasest Price
    Brand Name : Gold
    Model Number : WGMD-4
    Price : Negotiated
    Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram
    Supply Ability : 1 set per 5 days
    Delivery Time : 5-8 working days
    Certification : CE, ISO
    • Product Details
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    2D 3D Multi Channel Geophysical Resistivity Meter Survey Instrument

    2D 3D Multi Channel Geophysics Survey Instrument Geophysical Resistivity Meter


    How to interpret 2D 3D Geophysical Electrical Resistivity Meter Survey Data?


    Under suitable method,mutil-electrode 2D 3D Geophysical Electrical Resistivity Meter is the apparent electrical resistivity imaging . High-resistance area represents compact rock mass with good integrity and low water content; Low-resistance zone represents water-bearing, loose broken or fractured water-bearing zone of rock mass. Karst cavities show high resistance area, and karst caves filled with clay and water show low resistance area. Most karst caves and karst fracture zones are partially filled, the upper part is hollow, the lower part is loose filled, the upper part is high resistance, and the lower part is low resistance, forming intermittent beaded combined abnormal areas.

    To sum up, the karst interpretation and determination of electrical resistivity images follow the following three principles:

    ① the upper part of the karst zone is a cavity, and the lower part is a filling, showing a beaded anomaly of intermittent combination of high resistance and low resistance;

    ② Karst is developed in limestone, and the background resistivity value has high resistivity characteristics;

    ③ Karst is developed along the structural fracture zone, and the trend and occurrence of beaded anomaly are consistent with the regional structure.

    The resistivity anomaly image conforming to the above three principles is interpreted as karst. Some karst is completely filled, and there is no overhead cave, especially the karst buried below the groundwater level, which is completely filled with loose matter and water, showing strong low resistance characteristics.


    Please see as following details about our geophysical electrical resistivity meter:



    Technical specification


    Receiving part

    Voltage channel:


    ±6V

    Measurement accuracy:


    Vp≥10mV时,±0.5% ±1 character

    Vp< 10mV时,±1% ±1 character

    Input resistance:


    > 50 MΩ

    Apparent polarizability measurement accuracy:


    ±1% ±1character

    Sp compensation range:


    ±1V .

    Current channel:


    5A

    Measurement accuracy:


    Ip≥ 10mA时,±0.5% ±1character

    Ip< 10mA时,±1% ±1character

    The suppression of 50Hz power frequency interference (common mode interference and differential mode interference) is better than80dB

    Launch part

    Maximum transmit power:


    4500W

    Maximum supply voltage:


    ±900V

    Maximum supply current:


    ±5A

    Power supply pulse width:


    1~60 seconds, the duty ratio is 1:1


    Other

    Operating temperature:


    -10°C~ +50°C, 95%RH

    Storage temperature:


    -20°C~ +60°C

    Instrument power supply:


    No. 1 battery (or nickel-cadmium battery of the same specification) 8 pieces


    Current current:


    ≤55mA
    Weight:≤7KG

    Volume:


    310mm*210mm*210mm

    WDZJ-3 multi-channel electrode converter

    Converting the number of electrodes:


    60 road


    Insulation properties:


    ≥500 MΩ

    Maximum working voltage:


    450 VDC

    Maximum operating current:


    2.5 ADC

    Instrument power supply:


    No. 1 battery (or nickel-cadmium battery with the same specification) 8 pieces


    Operating temperature:


    -10°C~ +50°C

    Certificate



    Shipping and Delivery


    Customer services

    1. We provide one-year warranty, during this period, we are responsible for any mechanical failures or faults caused by design technology or material and handle any improper errors for free; we will still provide free technical assistance beyond this period (only charge parts' cost price and traveling allowance).

    2. If there are any failures because of our products' quality in use, we will provide the phone instructions within 2 hours to help solving the problems, and we will supply on-line video technical communication if necessary.

    3. We can dispatch the experienced engineer for installation and debugging after receiving the customer's notification.

    4. We will provide free training, installation, debugging service in China, it is also available to send professional staff overseas for installation and debugging, only the traveling costs and labor costs will be borne by you.

    5. After sale, we provide regular phone service to collect the customer's suggestions and advice.


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