MAGNETOMETER MINIMAG
- Functions: High precision gravitational measurement on land for basic geological investigation, mineral search and assessment.
- Manufactured by: GEODEVICE, Russia.
- Year of production: 2003
- Webiste: https://geodevice.ru
- Specifications
- Principle of operation : Based on the Overhauser effect application
- Range 20 000 ÷ 110 000 nT
- Absolute accuracy 0.2 nT
- Sensitivity: 0.015 nT in cycle 3 s / 0.026 nT/√Hz
- Resolution: 0.001 nT
- Optimal angle between the axis of the sensor and the field vector: 90°
- The working range of inclination relative to the optimal angle: ± 45°
- Orientation error: 0.5 nT (±45°)
- Gradient tolerance: 10 000 nT/m
- Minimum measurement cycle 0.5 s
- Communication interface with PC: USB
- Memory capacity: 1 000 000 (in base magnetic station mode), 250 000 (with coordinate referencing)
- Power: 10 ÷ 16.8 V, Li-ion battery
- Operating temperature range; −40 ÷ +60 °C, readability of the display is provided at temperatures above −20 °C
- Weight: 3.1 kg (with battery)
- Nominal voltage of Li-ion battery 14.6 V
- Nominal capacity of the battery 4 A·h
- Continuous operation time with a fully charged battery and a 20 °C temperature 15.9 h in 2 s cycle
- Some project used this equipment by Geophysical Division.
-Measurement of magnetic variation of projects Magnetic – gamma spectrum airborne survey at scale 1 / 50,000 and gravitational measurement at scale 1 / 100,000;
– Measurment of magnetic for Preliminary survey / Detailed survey airborne geophysical anomalous clusters of the projects magnetic – gamma spectrum airborne survey at scale 1 / 50,000 and gravitational measurement at scale 1 / 100,000.
– Component project “Magnetic – gamma spectrum and gravity airborne survey in the Northwest region” under the Project “General investigation of minerals and completing geological maps at scale 1:50,000 in the Northwest region for planning and sustainable development socio-economic”.
And many other projects.
Source: Geophysical Division./.
