Mobile technology has quietly become one of the most impactful tools in chemical processing. The right device setup is now capable of transforming how field teams work, respond, and stay safe in some of the most hazardous environments on earth. In this blog we discuss the safety requirements needed when choosing mobile devices, and scenarios where teams can utilise phones for real-world impact in 2026 and beyond.
In areas where flammable gases or vapours are present, an uncertified device is a potential ignition source. Therefore, before we talk about how mobile phones are enhancing workflows, we should first outline the non-negotiables when selecting a device.
Hazardous areas are classified by how often an explosive atmosphere is likely to exist. Zone 0 means it's present continuously. Zone 1 means it occurs during normal operation. Zone 2 means it only appears under abnormal conditions. The zone determines what equipment is permitted to enter it, and any phone or case used must comply with those zones.
Intrinsically safe and explosion proof are often used interchangeably, but they mean different things. Intrinsically safe designs limit circuit energy below the threshold needed to cause ignition, even under fault. Explosion proof designs contain any internal ignition before it can reach the surrounding atmosphere. Both can achieve ATEX compliance, so unless a certain type of device is mandated, either can be used. The right approach depends on the zone, the gas group, and how the device will be used day-to-day.
Certification gets a device through the gate. Chemical resistance keeps it working once it's there. H₂S corrodes copper and silver alloys at parts-per-billion concentrations. Ammonia attacks copper-based components. Chlorine causes serious material damage at just 10 ppb. Enclosure materials need to be chosen accordingly, with polycarbonate, PVDF, PEEK, and 316L stainless steel all offering meaningful resistance depending on the specific environment. Look for IP68 (Ingress Protection 68) as a minimum to keep corrosive mists out of internal circuitry and extend operational lifespan significantly.
Now that we’ve understood the prerequisites we can turn our attention to how mobile devices are improving operations in the field. In this section we cover the main workflows.
Paper permits are one of the most persistent failure points in industrial safety. They're issued at one moment in time, then carried through a dynamic environment where conditions change. A paper permit can't know that an H2S alarm just triggered in an adjacent zone, or that another crew has just started confined space entry 30 metres away.
A mobile-enabled permit-to-work (e-PTW) system changes that fundamentally. When a technician initiates a permit from their device at the work location, the system pulls live data: current weather, active permits in the vicinity, known hazards for that specific equipment ID. If a hot work request is raised within 50 metres of an active confined space entry, the system flags the conflict and blocks approval automatically. Supervisors receive push notifications on their devices and can approve with photo evidence of site isolation, eliminating wait time without cutting corners.
During the work, the permit stays live. If an area gas detector trips, the system can instantly revoke the permit and push an evacuation alert to the technician's device. At close-out, the technician photographs the restored site before the permit can be closed, creating a timestamped, audit-ready record. The permit stops being a piece of paper and starts being an enforced protocol.
A significant portion of chemical plant equipment isn't connected to the control room. Pumps, compressors, heat exchangers, and valves in remote areas of the plant are often checked manually, with readings written on clipboards and entered into a CMMS hours later.
With a certified smartphone, that workflow becomes immediate and verifiable. The technician scans an NFC tag or barcode on the asset, which confirms their physical presence and timestamps it for the audit trail. A dynamic checklist loads on screen. If they report a leak, the app immediately requires photographic evidence and generates a maintenance notification. No batching, no transcription errors, no gap in the record.
External sensors can extend what a single device can capture. Thermal cameras and vibration sensors connect via Bluetooth or USB-C, allowing technicians to take readings that previously required separate specialist equipment. The mobile device becomes the interface for a broader set of inspection capability.
When something goes wrong on a complex skid or proprietary piece of equipment, the answer is rarely in the operator's head. In a traditional setup, you either wait for a specialist to travel to the site or try to talk them through the problem over a voice call.
Connected worker platforms change the dynamics of that entirely. A technician can share their live camera feed from an explosion proof phone with an engineer anywhere in the world. That engineer can draw directly onto the technician's screen, with digital annotations that stay anchored to physical objects in the view: arrows pointing to the correct valve, labels on specific fittings, step-by-step markings that guide the repair. The technician's mental load drops, and error rates drop with it.
These platforms are engineered to work in the network conditions typical of chemical facilities and offshore platforms, where connectivity is rarely ideal. They maintain usable video quality at low bitrates, which matters in the areas of a plant where the work actually happens.
One global chemical manufacturer deployed AI cameras and mobile devices across their operations and reported an 83% reduction in safety compliance violations and a 76% fall in forklift-related incidents. The project paid back in just over four months.
OSHA's Hazard Communication Standard requires workers to have immediate access to Safety Data Sheets for every chemical they handle. In practice, hunting through a paper binder in an emergency is a delay the situation can't afford.
A phone solves this. Scan the label on a container, pull up the full 16-section SDS in seconds. First aid protocols, fire-fighting measures, and spill procedures are available at the exact point they're needed, not back at the control room.
The chemical industry is losing experienced people faster than it can replace them. Senior engineers and technicians with decades of institutional knowledge are retiring, and the gap they leave isn't easily filled in a classroom.
AR-enabled mobile platforms address this directly. Step-by-step digital work instructions can walk a junior technician through a procedure they've never performed, with visual guidance overlaid on the actual equipment in front of them. Remote experts can join live and annotate in real time. The senior engineer doesn't need to always be on site to transfer knowledge. According to McKinsey, estimates put training cost reductions from this approach at around 50% compared with traditional methods.
The certification on the case or enclosure matters enormously. But so does the phone inside it.
The iPhone 16 Pro Max and iPhone 17 Pro Max are the devices that make the strongest case for use in chemical environments when paired with an ATEX or IECEx-certified explosion proof case, such as the types Xshielder offers. The reasons are practical. The camera systems on current Pro Max models are among the best available, which directly affects the quality of AR annotations, remote video feeds, and photographic documentation. Whatsmore, the processing power handles demanding connected worker platforms without lag, and the familiarity of iOS reduces training overhead for a workforce that likely already uses iPhones.
Chemical operations are high-stakes environments where mobile technology has moved from a convenience to a core safety and productivity tool. The ATEX framework defines what a device needs to carry to enter a hazardous area legally and safely. What workers do with that device, from enforcing permit-to-work protocols to accessing expert support mid-repair, is where the operational and safety returns are realised.
The combination of a current iPhone Pro Max and an Xshielder explosion proof case is one of the more practical answers to the question of how to get capable, familiar hardware into Zone 1 and Zone 2 environments without compromise.