• - Equipment Name :Overhauser Magnetometer

• - Faculty :Faculty of Basic and Applied Science(BAS)

• - Department :Space Environment and Remote sensing

• - Lab :

• - Manufacturer : GEM Systems

• - Model: GSM-19 Overhauser Magnetometer / Gradiometer

• Special Features : High Sensitivity & Accuracy: ~0.022 nT at 1 Hz standard (0.015 nT option), resolution of 0.01 nT, absolute accuracy ?0.1 nT. Wide Dynamic Range: Operates from 20,000 to 120,000 nT; gradient tolerance >10,000 nT/m. Sampling Flexibility: Supports sampling intervals from 60+ down to 0.2 seconds; walking mode supports up to 5 Hz sampling for mobile surveys. Sturdy and Field-Ready: Built for endurance across ?40 ?C to +50 ?C (or +55 ?C), minimal maintenance, lightweight with backpack support. GPS Enhanced: Includes waypoint programming, continuous GPS-synced data logging, and automated base-station corrections for maximum survey accuracy. Multiple Operating Modes: Manual, base station (scheduled logging), remote control via RS-232, gradiometer configurations, and optional VLF-EM integration. High Storage Capacity: Holds millions of readings ? e.g., up to ~5.3 million in base station mode.

A rugged, lightweight total-field magnetometer leveraging the Overhauser effect?an enhanced proton precession method using free radicals?yielding significantly improved sensitivity and lower power consumption compared to traditional proton magnetometers Features include rapid sampling (up to 5 readings per second), omnidirectional sensor options, GPS integration for waypoint navigation and time synchronization, and a durable backpack console for efficient field operation