Detector Electrical Geophysical Resistivity Meter Terrameter Custom
Geological Service Terrameter For Subsurface Material Investigation
Geological Terrameter refer to the general term for instruments that measure the difference in electrical properties of rocks and ores in electrical prospecting. Referred to as electrical instruments. It is used to find metal deposits and non-metal deposits, explore groundwater, energy resources, and study geological structures.
The uneven distribution of underground electrical properties means that there are two or more rocks or ores with different electrical conductivity at the same time. Although the apparent resistivity is not the true resistivity of the rock, it is a comprehensive reflection of the underground electrical inhomogeneity. Therefore, its change law can be used to discover and explore underground electrical inhomogeneities, so as to achieve the purpose of prospecting and solving other geological problems.
Technical Parameter
| Receiving Part | |
| Voltage channel | 士 6V,士1 %土 1LSB |
| lnput impedance | >50MQ |
| Apparent polarizability precision |
士1%土 1LSB
|
|
SP compensation range
|
士1V
|
| current channel |
6A,24 bit A/D
|
|
suppression
|
suppression is over 80dB for 50Hz industrial frequency (common mode interference or differential mode interference)
|
| Transmitting Part | |
| Maximum transmitting power | 6600w |
|
Maximum voltage range
|
士1100v
|
|
Maximum current range
|
6A
|
|
Voltage channel
|
士24A,24 bit A/D
|
|
lnput resistance
|
≥50MQ
|
|
Others
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|
|
working temperature
|
-10°℃~+50°℃,95 %RH
|
|
Storage temperature
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-20°℃~+60°℃
|
|
lnstrument power
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internal 12v rechargeable lithum battery or external 12v car battery, for 30 hours continously work
|
|
overall current
|
≤55mA
|
|
weight
|
≤4.4Kg
|
|
Dimension (L×WXH)
|
270mm * 246mm* 175mm
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