IMVP

8-CHANNEL GEOPHYSICAL EM RECEIVER FOR INDUCED POLARIZATION

 

Application:

Multichannel electroporspecting receiver IMVP is used to make researches by induced polarization method (IP) in frequency and/or temporary domain, direct current (impedance) method (resistance method), frequency sounding method and differential-normed electroprospecting method.

Features:

Receiver IMVP registers a signal with 8 detector lines MN, where the M-electrode of one detector line can be N-electrode of the other. All lines can join in one 8-channel cable or 2 cables in fours. Receiver and signal recording are controlled through PC. The notebook is necessary for ruling “RGM-8” and recording the signal. We recommend to use field-type notebook by PANASONIC, CF-18 or CF-29 series. Connection with PC is performed through the USB-port.

Advantages:

Using the multichannel electroprospecting receiver IMVP increases working efficiency, reduces prime cost of works and expands information capacity of the induced polarization method. This device is modern, portable, independent, multichannel and high precise. The increase of information capacity is achieved by answer registration either in frequency domain in wide frequency range, or in temporary domain. High precision of registration (receiver uses 24-bit processors in each channel) and long continual recording with frequent discretization interval (2500 Hz) provide the ability of using various algorithms for studying time-and-frequency characteristics of the induced polarization process. Time-and-frequency characters of IP afford to divide different types of rocks and ore minerals.

Specifications:

Number of independent measuring channels 8
CPU capacity 24 bit
Sensor Type Electrical dipoles MN
Input impedance, mOhm, minimum 5
Working frequency bandwidth From 0,001 up to 200 Hz
CPU recurrence rate 2500 Hz
Frequency setability Not worse than 10-5 Hz, frequency drift not more than 5 x 10-6
Max. input signal voltage of each channel +/- 2.5 V
Noise floor No more than 2 mkV
Interface type USB 1.1
External power supply V 12.6 +/- 2V
Dimensions 190 x 145 x 72 (95) mm
Weight (with batteries) up to 3 kg
Range of working temperatures, °C From -20 °C up to +60°C
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