ANT-9 Borehole Induction Magnetometer

Overview

The ANT-9 Borehole Magnetometer is designed for downhole magnetic measurements where sensor diameter and length are tightly constrained. Despite its compact borehole-ready package, it offers low noise performance across a broad frequency range, making it a strong option for integrated borehole and downhole tool designs.

Where It Fits

  • Borehole and downhole applications
  • Compact tool strings with strict diameter limits
  • Magnetic measurements from 1 Hz into the 30 kHz range
  • Projects needing low-noise induction sensing in confined geometries

Key Specifications

  • 3 dB bandwidth: 1 Hz to 30 kHz
  • Sensitivity in passband: 100 mV/nT
  • Sensor noise at 1 Hz: 1.4 pT/sqrt(Hz)
  • Sensor noise at 100 Hz: 0.011 pT/sqrt(Hz)
  • Sensor noise at 1 kHz: 0.0025 pT/sqrt(Hz)
  • Sensor noise at 10 kHz: 0.003 pT/sqrt(Hz)
  • Length: 343 mm
  • Weight: 1.36 kg
  • Maximum outside diameter: 35.5 mm
  • Minimum power supply: +/-9.5 V
  • Maximum power supply: +/-15 V
  • Supply current: 6.5 mA

Why Customers Choose It

The ANT-9 is the specialized choice for customers building or integrating borehole systems that need compact dimensions without sacrificing the magnetic bandwidth required for demanding downhole work.

Supporting Documents