2525 Brunswick Ave, Suite 205
Linden,  NJ  07036,  USA
Tel:   908-474-9595
Fax: 908-474-9090

Compasses, Solid State Inclinometers, Directional Probes, Electrolytic Tilt Sensors


      IQ-BORE-PRO with GYRO ASSIST and IQ-BORE Wireless BOREHOLE PROFILERS are designed for all types of borehole profiling applications ( magnetically clean and not ). Both systems include SOLID STATE advanced Pitch / Roll / Temperature compensated miniature compass. It is built around a state of the art Cortex microcontroller utilizing AOSI’s proprietary algorithm. The PRO version includes advanced solid state Gyro for correctly maintaining direction in magnetically “dirty” environments. IQ-BORE-PRO and IQ-BORE are available as an OEM system with a mini 1″ diameter probe or in a field suitable 1.5″ rugged probe. The system includes a custom super durable abrasion resistant Kevlar reinforced cable capable of over 1300 lb of tension. Cable is available in custom lengths up to 2000m, and marked every foot. The mini OEM probe can be installed in any larger size probe enclosure for submersible, high pressure or other custom applications.

The OEM system includes 1” diameter 5” long mini probe, cable and custom Bluetooth module with charger for two LI-Ion cells.  The field ready probe system includes 1.5″ diameter x 18″ Stainless probe, custom length cable and Bluetooth module/charger  installed into an ABS housing.  Android free APP displays borehole, Gyro and tool face directions, X-Y-Z magnetic fields,  borehole pitch, tool roll and temperature on most ANDROID smartphones or tablets via standard Low Power Bluetooth link.

The system is powered by two #18350 Li-Ion rechargeable cells. Custom APP monitors and controls all communications with the probe, sends and receives user commands and displays graphic and numeric data on the screen. All displayed data is in real time. Due to the systems modular construction the cable is available in various standard and custom lengths and marked depth increments of 1 ft.

IQ-BORE systems can profile both VERTICAL as well as HORIZONTAL boreholes, therefor there is no need to have two separate borehole deviation probes (one for each orientation). The user does not need to retract the probe or go through prolonged setups and re-calibration procedures in order to switch between orientation modes. System could be set to operate in an auto-switch mode to seamlessly switch between vertical and horizontal modes. In manual setting single tap on the screen instantly switches from vertical profiling mode to horizontal, or vice-versa.

Parameter Specification Units/description
Azimuth Range 0–360 deg, continuous
Azimuth Resolution 12 (0.08) bit (deg)
Azimuth Repeatability < 0.25 deg, typical horizontal
Azimuth Accuracy < 0.5 deg, typical horizontal, Mag. clean areas
Magnetic Field +-2 Gauss typical
Magnetic Resolution < 1 mGauss typical
Pitch Range +90 to -90 arcdeg after linear correction
Roll Range +180 to -180 arcdeg after linear correction
Weight <1lb Aluminum mini probe
Deployment modes 2 PUSH-IN, RETRACT
Tilt Resolution 12 bit full scale, both axis
Tilt Repeatability <2 bits
Temperature -40 to +85 deg C
Communication 9600 baud Low power Bluetooth
Supply Lithium rechargeble
Size 1″ OD, 5″ long mini probe, 6 foot cable. Any length available
Logging variable in phone storage limit

Storage of boreholes data is achieved via integrated logging feature and stored in phones memory in dedicated files.  Data is easily transferred  to any PC via E-Mail or text for further analysis. Example of a custom clients software shows easy viewing of each borehole data in graphical and numerical modes. W7.



AileronRoll.gifWhile in Horizontal mode, the system operates in a special ( Aileron Roll mode ). Just like a rolling jet flying forward rolling around its longitudinal axis, the magnetic probe while at any roll orientation inside the borehole, still outputs accurate borehole direction. Accurate direction is maintained at borehole inclinations of -75 to +75 degrees. This advanced feature sets the AOSI’s system apart from other borehole profiling tools.For inclination angles above |75| degrees, it is recommended to switch to a vertical mode.

This system is perfectly suitable for numerous Trenchless applications like HDD (horizontal directional drilling) and verification of prescribed paths for underground conduits, pipes and cables. The probe can detect and display deviations and/or deflections in horizontal directional drilling drills trajectory attributed to fractured formations or formations changing from soft to hard and back to soft sections.

IQ-BORE Wireless can be most useful in any of the following directional drilling applications where other methods are more expensive or not feasible:

Borehole steering

Power cable installation

Crossing waterways and roadways

Water/sewer/gas/oil line installation

Telecommunications conduit installation

Pipeline and environmental inspections

Congested intersection & shore approaches

Reduction of flyrock during blasting

Balancing explosive energy to volume of blasted material

Users can operate the system in both PUSH-IN and RETRACT direction with preset depth segment settings of 1ft, 5ft, 10ft, 1m, 3m and 5m.

Simple file retrieval software lets users transfer files between handheld controller to any PC. Profile and rear views of measured boreholes including TRUE VERTICAL DEPTH ( TVD ) are easily viewed with same software.

Specifications may change without notice.


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