10th of Ramadan City
About 46 km from Cairo, it is reported to host 5,083 factories and around 353,656 jobs across electronics, food, pharmaceuticals, plastics, steel and other sectors.
Cairo · Ex-proof
Ex-Proof Smartphone in Cairo
Cairo lies near the Nile Delta, was founded in 969 and is Egypt's capital and a regional centre of finance and commerce, so many buyers and contractors are based there even when sites are elsewhere. They include the Cairo Oil Refining Company's Mostorod refinery in Qalyubia, Helwan Cement to the south, and the large industrial zone of 10th of Ramadan City. If you are specifying an Ex-proof smartphone for Greater Cairo, this page covers the markings, the approvals and the current certification status of the IS-04Z1.
Pre-launch · certification in progress · Launching Q4 2026
Marking targetEx ib IIC T4Intrinsic safety, Zone 1 / 21 design target · certification in progress
AvailabilityQ4 2026via authorised distributors
Search topicEx-proof
DeviceSmartphone
RouteSpecification
WhereCairo
Short answer. The SAMS IS-04Z1 is the intrinsically safe smartphone covered here for Greater Cairo: pre-launch, designed for Zone 1 and Zone 21 (marking target Ex ib IIC T4), with certification in progress and no certificate issued.
Current position: certification in progress, nothing issued, launch targeted for Q4 2026. Operator approval runs on its own timeline. Certification status. Place facts reviewed October 2026.
At a glance · Ex-proof
Checklist: Ex-proof smartphone for Greater Cairo
| Check | What to look for | IS-04Z1 today |
|---|---|---|
| Ex marking | Group, category, protection concept, gas group, temperature class | II 2 G Ex ib IIC T4 (target) |
| Gas group | IIA, IIB or IIC matched to the area drawing | IIC (target) |
| Temperature class | T-class below the ignition temperature of the gas | T4, 135 °C (target) |
| Where it applies | Greater Cairo: Refinery process units, Fuel storage, Cement kiln fuel areas | Classified by the site operator |
Product · Cairo
The product behind this search: the SAMS IS-04Z1.
SAMS IS-04Z1
An intrinsically safe Android smartphone designed for Zone 1 and Zone 21 hazardous areas in Cairo. It is pre-launch: IECEx, ATEX and NEC 500 certification is in progress ahead of the Q4 2026 launch.
- IP68 sealed
- 4,000 mAh battery
- 50 MP camera
- Android 16
- Zone 1 / Zone 21 design target
The site · Greater Cairo
Working in Greater Cairo: operators and classified areas
The companies on site and the hazardous-area types a handset is likely to meet there.
Operators and companies on site
- Cairo Oil Refining Company (EGPC)
- Heidelberg Materials Egypt (Helwan Cement)
Classified areas to expect
- Refinery process units
- Fuel storage
- Cement kiln fuel areas
- Factory solvent and gas areas
Local conditions · Greater Cairo
What Greater Cairo means for portable equipment
Mostorod refinery
The refinery northeast of Cairo came onstream in 1973 and has a reported capacity of about 161,000 barrels per day.
Field notes · Greater Cairo
More about Greater Cairo that matters for portable equipment
Greater Cairo: industry on the ground
Natural gas made up 84% of Egypt's electricity mix in 2023, and Egypt produced 45% of Africa's gas-fired electricity in 2022, so gas-fired power stations and gas networks are the backbone of the national grid.
Greater Cairo: infrastructure
The Cairo Metro opened in 1987, is the oldest metro system in Africa and has over 1 billion passenger rides a year, so underground and railway systems are a major source of civil and electrical work.
Greater Cairo: who works there
Egypt's national oil company is the Egyptian General Petroleum Corporation, and Egypt has the sixth-largest proved oil reserves in Africa, over half of them offshore.
Greater Cairo: people and language
Many international businesses and organisations have regional offices in Cairo, including the Arab League headquarters, so engineering and procurement teams are often briefed from the capital.
The term · Ex-proof
What “Ex-proof” means for a smartphone
“Ex-proof” is shorthand for equipment carrying an explosion-protection marking (the Ex mark) that matches the area it enters. The marking states the protection concept, gas or dust group and temperature class, and it must be backed by a certificate issued by a recognised body, so a phone described as Ex-proof should come with a certificate number you can check.
The IS-04Z1 is designed to carry the marking II 2 G Ex ib IIC T4. That is a target: certification is in progress, no certificate has been issued, and SAMS will publish the certificate numbers when they exist.
In Greater Cairo. Refinery process units and fuel storage involve hydrocarbon gases, so a marking check would compare gas group and temperature class with the operator's data. Cement kiln fuel areas and factory solvent areas may differ. The IS-04Z1 targets II 2 G Ex ib IIC T4, subject to certification and the operator's acceptance.
The route · specification
Specifying an Ex-proof smartphone for Cairo
A short checklist for anyone writing or reviewing the specification, with the IS-04Z1 status against each point.
Check on the paper
- Marking
- Equipment group, category, protection concept, gas group and temperature class, matched to the area drawing.
- Certificate and schedule
- A certificate number, issuing body and the schedule of conditions, not a brochure claim.
- Standards edition
- The IEC 60079 or national standard edition the certificate was issued against.
Check for the IS-04Z1
- Marking target
- II 2 G Ex ib IIC T4: a target, not yet a certificate.
- Certificate status
- IECEx, ATEX, UKEX and NEC 500 in progress; none issued.
- Operator approval
- Separate from the certificate and handled with the site operator.
Questions · Cairo
Frequently asked questions
Can we buy an Ex-proof smartphone in Cairo today?
Not today. Until the certificates are issued the IS-04Z1 stays out of classified areas, and until launch there is nothing to purchase. You can ask for the datasheet and the certification schedule, or book a safe-area evaluation unit.
What does an Ex-proof smartphone in Cairo cost?
There is no list price yet. SAMS gives indicative pre-launch pricing in writing, against a stated quantity and site, and does not commit to a lead time before certification completes.
What Ex marking will the IS-04Z1 carry?
The marking target is II 2 G Ex ib IIC T4. It becomes a marking only when the certificate is issued; until then it is a design target.
Which areas at Greater Cairo would use it?
Likely candidates are refinery process units, fuel storage, cement kiln fuel areas, factory solvent and gas areas. Which areas are classified, and to what zone, is set by the site operator's own area classification drawings.
Is intrinsically safe the same as explosion proof?
Not exactly. Explosion proof is a broad everyday term; intrinsic safety is one protection concept, which limits energy so ignition cannot occur. Flameproof (Ex d) is a different concept that contains an explosion. The IS-04Z1 is intrinsically safe by design.
Does Cairo's dust and heat matter when choosing Ex phones?
Yes, Cairo is hot in summer, dusty and polluted, so check the dust ingress rating, the maximum ambient temperature on the certificate and the sealing of ports and charging contacts. Regular cleaning of connectors and spare batteries are practical for long outdoor shifts.
How should I plan deliveries to Cairo for a project elsewhere in Egypt?
Equipment typically arrives through Cairo airport or Egyptian ports and is cleared through customs before onward road or rail transport. Allow for traffic and customs time, check radio-equipment import rules and confirm who receives and stores devices at the site.
Can one approach cover refinery and cement sites?
Not necessarily. A refinery has hydrocarbon process units and storage, a cement plant has kiln fuel areas, and factories may have solvent or gas areas. Each operator sets its own classification and approval route. Request zone and gas group data from each site before assuming one device suits all.
Related guides
Keep exploring
Other guides for Cairo, other places in Egypt, and the pages behind them.
ATEX and IECEx Mobile Phone Distributor in CairoSame place, different guide
Rugged Mobile Phone in CairoSame place, different guide
Industrial Mobile Phone in CairoSame place, different guide
Hazardous Area Mobile Phone Distributor in CairoSame place, different guide
Intrinsically Safe Mobile Phone in CairoSame place, different guide
IECEx Mobile Phone in CairoSame place, different guide
ATEX and IECEx Mobile Phone Distributor in AswanElsewhere in Egypt
Egypt market guideCertification route and regulators
All guides for EgyptEvery route we cover
Certification statusWhat is in progress
Enquiry · Greater Cairo
Ask about the IS-04Z1 for Greater Cairo, Egypt
Share the site details and quantity. You will get the datasheet and the certification schedule back by email; pricing is indicative only until launch.
Enquiry · Greater Cairo
Launching Q4 2026
Planning for Cairo?
Name the site and the operator and we will send what is available before launch.