Product Line

Borehole Probes

An extensive array of digital probes that facilitate the efficient and economical exploration of drill holes for groundwater, environmental, geotechnical, minerals, and geological applications.

GE0809cb probe

GE0809cb

Compact combination gamma/electric probe with replaceable batteries for single conductor systems.

MeasurementsNatural gamma (0–100K CPS), self potential (±2000mV), 16″ normal resistivity (0–5000 ohm-M), single point resistivity (0–5000 ohms)
Dimensions44.5mm diameter × 979mm length
Weight4.5kg
Pressure Rating30.3MPa (4400 PSI)
Operating Temperature-20° to 60°C
GE0809c probe

GE0809c

Compact combination gamma/electric probe for 4-conductor systems, with the same measurement ranges as the GE0809cb.

MeasurementsNatural gamma (0–100K CPS), self potential (±2000mV), 16″ normal resistivity (0–5000 ohm-M), single point resistivity (0–5000 ohms)
Dimensions44.5mm diameter × 916mm length
Weight3.6kg
Pressure Rating30.3MPa (4400 PSI)
Operating Temperature-20° to 60°C
GT9502 probe

GT9502

Natural gamma probe.

MeasurementsNatural gamma (0–100K CPS)
Dimensions41.3mm diameter × 1000mm length
Weight3.6kg
Pressure Rating30.3MPa (4400 PSI)
Operating Temperature-20° to 60°C
GTS0904 probe

GTS0904

Slim-housing gamma probe designed for tighter boreholes while maintaining standard pressure and temperature ratings.

MeasurementsNatural gamma (0–100K CPS)
Dimensions28.6mm diameter × 965mm length
Weight2.9kg
Pressure Rating30.3MPa (4400 PSI)
Operating Temperature-20° to 60°C
LNA0809 probe

LNA0809

Adapter adding 64″ normal resistivity capability to compact GE probes.

Measurements64″ normal resistivity (0–5000 ohm-M)
Dimensions44.5mm diameter × 1003mm length
Weight2.5kg
FT9504 probe

FT9504

Fluid temperature/resistivity probe for understanding fluid flow and water quality via conductivity measurements related to Total Dissolved Solids.

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