Low Frequency Electromagnetic Meter, Type DDS-6
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DDS-6 low frequency electromagnetic meter is a small and light instrument used to measure multiple parameters of very low frequency electromagnetic fields. In mineral mass screening, hydrological geology or engineering geology, the instrument can locate orebodies, Karst development zones, underground rivers, water-cut or mineralized fault zones and subsurface structures. It can also quickly perform resistivity mapping, and locate underground pipelines and cables.
Specification| Operation frequency | 17.4 KHz, 22.3 KHz |
| Measuring parameter | Horizontal electric field component (EX), horizontal magnetic field component (HY), vertical magnetic field component (Hz), elliptic polarization obliquity (D) |
| Magnetic field | 0.28mγ～56mγ |
| Electrical field | 5～1000μV |
| Elliptical polarization inclination measure range | ±45° |
| Magnetic field intensity resolution | 0.02mγ |
| Electrical field intensity resolution | 0.0331μV |
| Inclination reading error | ≤±1° |
| Antenna sensitivity | ≥1.8μV/ mγ |
| Magnification | 3300 |
| Input impedance | ≥1MΩ |
| Internal noise | ＜20 (Together with input noise< 0.5μV) |
| Power voltage | 11.1V |
| Operating temperature | 0℃～+45℃, relative humidity85% |
| Volume | 260×95×190mm |
| Weight | 3.5kg |
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