Bartington Fluxgate Gradiometer, 3-axis Digital (Grad-13)
The range of gradiometer available include both land and submersible (200m) in a range of separation baseline (from 500mm to 1000mm). Gradient data for X, Y, and Z as well as total field are available alongside the individual sensor's data. The gradiometer has application in a multitude of application from signature measurement to localisation of ferromagnetic material underground, whether this is pipes or unexploded ordnances (UXO). A power supply/multiplexing box can be provided powering 2 sensors and allowing USB output of the data.
Features
Baselines from 500mm to 1000mm. | Land and submersible (200m) versions. | Measuring range of ±70 or ±100μT. | Integral three-axis accelerometer with ±2g range. | Individual sensor and gradient outputs. | Gradiometer can be connected to a computer using readily available RS485 to USB or Ethernet converters. | Gradient noise <20pTrms/√Hz/m at 1Hz with 500mm baseline.
Application
Detection of buried magnetic anomalies such as unexploded ordnance (UXO) by surface or downhole surveys. | Geophysical surveys for archaeology and mineral exploration. | Pipe and cable location.
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