Inertial sensing is an industry-leading company for innovative surveying systems used in a variety of mining and geotechnical applications. Inertial sensing’s combination of calibrated hardware and advanced customisable software gives customers a competitive edge. Their end-to-end range of inertial micro-sensor systems (MEMS) technology are designed to be energy efficient, easy to use, and deliver high-accuracy data all the time.

Dwyka Mining Services partners with Inertial sensing to provide industry-leading surveying technology to the African mining industry. With an expanding drilling intelligence offering, to support safer mining with precision drilling, this visualisation capability promises to support and solve upstream and downstream challenges.

With a dynamic need for purchase and rental solutions, we offer a comprehensive line of surveying tools including the world’s slimmest dual gyro surveying instrument, the SlimGyro and the longer drill rig based GoGyro for core drilling and other applications.

Blasthole and Borehole survey solutions

Quick and easy to use

Survey with ease. With streamlined process, there’s no need for complex pre- or post-survey procedures. The Gyyros simple set up and configuration not only saves you valuable site-time but also minimizes the chance of human error, ensuring accurate results every time.


Engineered to withstand the toughest conditions. The lightweight and compact design allows for seamless data acquisition from blast- and boreholes at any angle. Our tool’s modular design ensures minimal repair times and costs, empowering you to maximize efficiency.


Experience uninterrupted surveying. Gyros come fully equipped with a built-in rechargeable battery and seamless Bluetooth communication for continuous operation across multiple shifts. Owing to its energy efficiency, Gyros offer non-stop surveying up to 100hours on a single battery life.


Conduct vertical and horizontal blasthole surveys.

SlimTwin (& SlimGyro)

Product type: Blast Gyro

The World’s slimmest gyro

The SlimTwin is the world’s slimmest rate gyro survey instrument with a diameter of 25mm. The SlimTwin is built for effortless operation with no pre- or post-survey procedures, and long-lasting performance with up to 50 hours on a single battery charge. The SlimTwin is also available as a single gyro version (SlimGyro) which with the same features and an extended battery charge of 100 hours.


• 25mm diameter, 1.4m in length
• 2.95kg
• Built in Bluetooth 2.1
• 50 hours in dual gyro mode and 100 hours in single gyro mode
• Control and processing software can be used on device with Windows operating software
• Transfer & processing time: < 5 min per hour of survey data


RealWear Navigator™ 500  

Product Type: Wearable device

The RealWear Navigator™ 500 is a ruggedised head mounted tablet design to empower modern frontline workers to connect with remote experts, follow digital workflows, visualise IoT data and much more. Safely decrease downtime, increase quality and worker output while generating a substantial return on investment.


• Delivers 12MP images with 5 zoom settings and excellent low light performance
• Camera – 48 MP, 1080p, 60fps video
• More memory storage then HMT-1 (64 GB, 4 GB RAM)
• Has a battery life of up to 8 hours



Product Type: Wearable device

The RealWear® HMT-1Z1 is an intrinsically safe ATEX Zone 1 and CSA C1/D1 certified fully rugged head-mounted device. Use it in wet, dusty, hot, dangerous environments. It optionally snaps into safety helmets and can be used with safety glasses or corrective eyewear.

The high-resolution micro display fits just below your line of sight and views like a 7” tablet. It’s an industrial dashboard: there when you need it and out of your way when you don’t.

The HMT-1Z1 works with powerful software applications from our solution partners in four core categories, each optimized for completely hands-free voice control. That means no scrolling, swiping, or tapping – just simple voice commands. Use it for remote mentor video calling, document navigation, digital workflow, mobile forms and industrial loT data visualization.


• Delivers 12MP images with 5 zoom settings and excellent low light performance
• Camera – 48 MP, 1080p, 60fps video
• More memory storage then HMT-1 (64 GB, 4 GB RAM)
• Has a battery life of up to 8 hours