How a chemical producer uses AR tablets in explosion-proof zones

Another company's example, not a Metaverse911 project. We did not work on it. We have left out figures we cannot trace to a named, published source. See our case studies for our own work.

The situation: no digital tools in hazardous zones

The producer's site is a very large integrated chemical complex of pipes, reactors and towers, with its own roads, railways and emergency services. Large parts of it are ATEX-certified hazardous zones, where a spark from an ordinary electronic device could ignite flammable gases or vapours.

That meant frontline workers in those zones had no access to the plant's digital systems. They relied on paper blueprints, laminated manuals and two-way radios. A technician who needed to check a valve's pressure tolerance had to leave the area, walk to the control room, look up the data and walk back. Each trip cost time and added a chance of error, and decisions could be based on an outdated manual or a misremembered value.

Three things made change possible. Processes were becoming more complex and needed better data access. The workforce was more comfortable with digital tools. And intrinsically safe mobile devices had matured into reliable hardware for industrial use.

What they did: intrinsically safe tablets with AR

The producer deployed the Pepperl+Fuchs Tab-Ex series, intrinsically safe Android tablets engineered so they cannot generate a spark. They are certified for use in the most hazardous zones. With an AR software platform installed, an operator can point the tablet at a piece of equipment and see live operating pressures, maintenance history and step-by-step repair guides on the camera view, without leaving the area.

The company paid close attention to the people using the tablets. Technicians had classroom sessions on the hardware and software, then hands-on practice in a safe, non-hazardous dummy area. Veteran technicians helped design the interface and workflows. Their input made the app easier to use and helped turn sceptics into advocates.

How it works

An ATEX-certified Wi-Fi network covers the operational zones. Through it, the tablets connect in real time to the plant's Distributed Control System (DCS) and to the SAP Plant Maintenance (PM) module.

A typical job runs like this:

• The technician scans a QR code on a pump.
• The tablet pulls the matching work order from SAP and live performance data from the DCS.
• The technician sees the current pressure and a 24-hour pressure graph overlaid on the physical gauge.
• An AR-guided procedure takes them through the repair, and they mark each step as done.
• They close the work order in SAP, with notes and annotated photos, before leaving the site.

The system also uses CAD and BIM models. A technician can view a complex valve assembly in 3D, exploded into labelled parts that are cross-referenced to inventory, instead of reading a 2D schematic.

The IT team designed and runs the ATEX Wi-Fi network, which needed careful site surveys because steel structures block radio signals. They manage the tablet fleet with a Mobile Device Management (MDM) platform, pushing software updates and security patches remotely so devices do not have to be recalled.

Who benefits

• Plant operations: operators see live trend data next to the asset, so they spot deviations earlier and respond faster.
• Maintenance and safety: AR overlays guide technicians through lockout/tagout procedures and servicing, with photo records of completed work.
• Engineering and procurement: field notes and photos on repeat failures help engineers diagnose design issues and help buyers see which parts and suppliers perform best.
• Environmental, health and safety (EHS): officers photograph a hazard with a time stamp and location, annotate it and raise a corrective action straight into the safety management system.
• Training: new hires practise guided procedures on the tablets, and the knowledge of experienced technicians is captured in digital form.

Results

The producer has not published results that we can cite, so we do not repeat the figures that circulate for this project. What the example shows is a change in how work gets done:

• Technicians reach manuals, work orders and live readings at the equipment, without a walk to the control room and back.
• Operators see trend data next to the asset, so they can spot deviations earlier.
• Repair steps, photos and notes are recorded as the job is done, which supports compliance reporting.
• The investment was expected to pay for itself through higher uptime, better technician productivity and less rework. That expectation supported the decision to extend the programme across the site.

What it means for manufacturers

This example shows that industrial AR is not limited to clean assembly lines. With certified hardware, it works in highly regulated, high-risk process plants.

It also shows the case for tablets over headsets in many plants. Smart glasses and headsets are often impractical or unsafe in hazardous areas. A ruggedised, certified tablet offers a large screen, enough processing power and a route to safe operation. For chemical, oil and gas, pharmaceutical and other process manufacturers, the practical lessons are to start with a pilot area, connect the tablets to the systems people already use, and involve experienced technicians in the design.

To see where AR could help in your own plant, read our page on augmented reality or talk to our team.