GEM Product Catalogue
GEM designs and develops Overhauser, Optically Pumped Potassium and Proton Precession magnetometer systems. These systems are offered in various models for different applications. For a quick overview of instruments, please see below. For more details, access the Applications or Products menu items accessible through the GEM TECHNOLOGY menu.
The information is divided into four key areas; GROUND , EARTH MONITORING, UAV and AIRBORNE. Links are provided to current downloadable brochures on the equipment. GEM Products have a full 3 YEAR Warranty.
GROUND GEOPHYSICAL EQUIPMENT
Potassium Magnetometers
High-Precision for Advanced Users
- GSMP-35/25 Console and Sensor
- 0.0002 nT @ 1 Hz (35), 0.022nT @ 1Hz (25)
- Single Sensor & Cables
- GEMlink Software
- Expandable Staff & Backpack
- Avaialble in Gradiometer and with VLF
Overhauser Magnetometers
High-sensitivity, cost effective
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- GSM-19 Console with integrated GPS
- .022nT sensitivity
- 1 Sec readings
- Single Overhauser Sensor & Cables
- 32 Mb Memory
- RS-232 Cable / GEMLinkW Software
- Expandable Staff and available Backback
- Available in Walking Mode and with Gradiometer and VLF
Walking Overhauser Gradiometer / VLF
Multi-Parameter Surveying for cost effective investigations
- GSM-19GWV
- Dual Overhauser Sensor & Cables
- Omni-directional VLF Sensor with Connector Cables
- GEMLink Software
- Backpack
Standard Proton Magnetometer
Robust and Affordable, discrete results at an attractive price
- GSM-19T provides 3 sec sampling
- avaialble with .5 sec sampling
- Single Overhauser Sensor & Cables
- GEMLink Software
- Expandable Staff
Automated GEM Ground VLF
Resistivity depth sections
- GSMV 19 Automated readings
- Single sensor houses 3 orthoganol coils
- user selected VLF stations
- Walking capability
- Resistivity depth sections from new software
Non Magnetic Cart
Designed for sensitive multi sensor near surface surveys
- Towed Non Magnetic Cart
- Assembles easilly for practical near surface applications
- uses up to 4 Overhauser sensors or 10 Potassium sensors
- Up to 5 gradiometers
EARTH MONITORING AND OBSERVATION
dIdD Suspended System
Vector Magnetometer
Precise Earth Monitoring for hourly changes in the Inclination and Declination
- GSM-19FD Console
- 0.050 nT/Hz 1/2 @ 1 sec
- 0.035 nT/Hz 1/2 @ 2 sec
- 0.027 nT/Hz 1/2 @ 2.5 sec
- Spherical Overhauser or Potassium Sensor
- 12V Power Supply
- data acquistion console and display software
- available with/without console and GPS
EUROMAG Observatory
Scalar Magnetometer
The standard for long term stability in monitoring installations
- .022nT sensitivity (Available with .015nT sensitivity)
- .01nT Resolution / +/- .1nT absolute accuracy
- Single low power Overhauser Sensor & Cables
- .2, 1, 3 Sec GSM-90 Console
- Data acquisition with/without display
- Remote operation available
SUPER GRADIOMETER
- GSMP-20S3
- Upto Three – ultra high sensitivity potassium sensors
- gradient cabling lengths upto 300metres
- Data acquisition console
UAV SOLUTIONS
The CARDINAL
Efficient airborne surveys with better resolution and more detail
- Sensitivity: 0.001 nT @ 1 Hz
- Resolution: 0.0001 nT
- Dynamic Range: 20,000nT to 120,000 nT
- Low/High Field Options: 3000 to 350,000 nT
- Gradient Tolerance: 10,000 nT/m
- Sampling Rate: 1, 5, 10, 20 Hz
- Heading error ± 0.5 nT
DRONEmag™ UAV Magnetometer
Lightweight high sensitivity and absolute accuracy UAV Magnetometer
- 1kg sensor electronics and 3m cables
- Sensitivity: 0.0002 nT @ 1 Hz (35U), 0.022nT @ 1Hz (25U)
- available pre-configured for PIXHawk navigation systems with GPS and built in Data acquisition
UAV Lightweight Airbird
Turn-Key Towable Magnetometer in Lightweight bird
- GSMP-35U/25U Magnetometer
- 0.0002 nT @ 1 Hz (35U), 0.022nT @ 1Hz (25U)
- Lightweight bird housing
- GPS for sub meter accuracy
- Lasar altimeter
- Radio Link
- Battery for 1 hour operation
- Operates completely independant of UAV
AIRBORNE SOLUTIONS
Airborne Potassium Magnetometer
High Sensitivity, robust fast sampling potassium vapour magnetometer
- 0.0002 nT @ 1 Hz (GSMP-35), 0.022nT @ 1Hz (GSMP-25)
- Sensor head and sensor electronics
- Real-time streaming RS-232 output
Airborne Magnetometer System
Complete Towed Magnetometer Systems
- 0.0002 nT @ 1 Hz (GSMP-35), 0.022nT @ 1Hz (GSMP-25)
- Rugged proven design
- Available with GPS and Altimeter
- VLF-EM for resistivity mapping – optional
Airborne Gradiometer Systems
Custom designed systems for two, three and four sensors
- Robust fibre glass structure
- Proven designs
- Integrated GPS and Altimeters available
- High sensitivity Potassium Magnetometer
- VLF-EM for shallow resistivity mapping – optional
Airborne VLF System
Reliable results for shallow Resistivity mapping and conductive trends
- 2 independant sensors for multi station capapability
- Each sensor contains 3 nested coils
- True inphase and quadrature readings
- Resistivity Sections from VLF2D software
- Lightweight
For Our Complete Product list , download the PDF. PRODUCT LIST
GEM Systems products are backed by the strongest warranty in the business. 3 YEAR WARRANTY
If you require additional information please contact us at:
Phone: +1-905-752-2202
Fax: +1-905-752-2205
Email: info@gemsystems.ca
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