Field scale
Ghawar measures about 280 by 30 km and is divided into zones including Ain Dar and Shedgum, Uthmaniyah, Hawiyah and Haradh, so sites are widely spread.
Al Ahsa · intrinsically safe
Intrinsically Safe Mobile Phone in Al Ahsa
Al-Ahsa is the largest governorate in Saudi Arabia by area, with Hofuf as its seat and a 2022 population of about 1.1 million. The Ghawar oil field, the world's largest conventional field, lies within it and is operated by Aramco, creating Zone 1 areas at wells and gas handling facilities. If you are specifying an intrinsically safe mobile phone for Al-Ahsa (Hofuf), 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 topicintrinsically safe
DeviceMobile Phone
RouteSpecification
WhereAl Ahsa
Short answer. The SAMS IS-04Z1 is the intrinsically safe smartphone covered here for Al-Ahsa (Hofuf): 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. A buyer's engineering review is separate from the certificate. Certification status. Place facts reviewed October 2026.
At a glance · intrinsically safe
Checklist: intrinsically safe mobile phone for Al-Ahsa (Hofuf)
| Check | What to look for | IS-04Z1 today |
|---|---|---|
| Level of protection | ia, ib or ic matched to the zone | ib, for Zone 1 |
| Entity parameters | Uo, Io and Po within the device limits | Published with the certificate |
| Accessories | Chargers and cases certified with the device | Defined at certification |
| Where it applies | Al-Ahsa (Hofuf): Oil wellsites and gathering, Associated gas handling, Water injection facilities | Classified by the site operator |
Product · Al Ahsa
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 Al Ahsa. 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 · Al-Ahsa (Hofuf)
Al-Ahsa (Hofuf) at a glance: who is there, what is classified
A short profile of the site and the kinds of classified area that matter for portable equipment.
Operators and companies on site
- Saudi Aramco
Classified areas to expect
- Oil wellsites and gathering
- Associated gas handling
- Water injection facilities
- Pipeline pump stations
Local conditions · Al-Ahsa (Hofuf)
What Al-Ahsa (Hofuf) means for portable equipment
Climate
Hot desert climate with high summer temperatures and dust.
Field notes · Al-Ahsa (Hofuf)
More about Al-Ahsa (Hofuf) that matters for portable equipment
Al-Ahsa (Hofuf): geography and layout
Ghawar's reservoir is a limestone about 85 m thick, lying roughly 1,800 to 2,100 m below ground, so wells and surface facilities handle high-pressure oil and associated gas.
Al-Ahsa (Hofuf): logistics and access
Al-Ahsa International Airport lies 25 km from the city centre and has flights to Jeddah, Medina and Dubai; highways link the area to Riyadh, Dammam and Abu Dhabi.
Al-Ahsa (Hofuf): geography and layout
The Al-Ahsa oasis and Hofuf lie on the east flank of Ghawar, in the area of the 'Uthmaniyah production zone, so farmland and settlements sit close to oil and gas facilities.
Al-Ahsa (Hofuf): industry on the ground
Operators are reported to inject seawater into Ghawar at around 7 million barrels a day, in use since 1965, which means long water-injection pipelines and pumping plants.
The term · intrinsically safe
What “intrinsically safe” means for a smartphone
Intrinsic safety limits the electrical and thermal energy in a circuit so that neither a spark nor a hot surface can ignite a gas or dust atmosphere, even when a fault occurs. The ib level, used for Zone 1, tolerates one fault. It is the usual way to make a handheld device that a worker carries continuously through a hazardous area.
The IS-04Z1 is designed on this principle for Zone 1 and Zone 21 (marking target II 2 G Ex ib IIC T4). Intrinsic safety is a design basis, not a certificate: certification is in progress and none has been issued yet.
In Al-Ahsa (Hofuf). Ghawar measures about 280 by 30 km, so a technician may drive between widely spread wellsites, water injection facilities and pump stations. A handheld intrinsically safe handset is useful there because one device can log findings, photograph equipment and call for help at each stop. The IS-04Z1 is designed for Zone 1 use.
The route · specification
Specifying an intrinsically safe mobile phone for Al Ahsa
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 · Al Ahsa
Frequently asked questions
Can we buy an intrinsically safe mobile phone in Al Ahsa today?
Not yet. The IS-04Z1 is pre-launch and its certification is still in progress ahead of a Q4 2026 launch. No unit goes into a classified area before the certificate covering it exists. The datasheet, the certification schedule and safe-area evaluation units are available now.
What does an intrinsically safe mobile phone in Al Ahsa cost?
SAMS has not published a price. Any figure you are offered for an uncertified Ex phone should be treated with caution; written indicative pricing is available for a defined quantity and site.
What does ‘intrinsically safe’ mean for the IS-04Z1?
The circuits are designed to limit energy so a spark or hot surface cannot ignite a gas or dust atmosphere, even with one fault (level ib, Zone 1). Certification of that design is in progress.
Which areas at Al-Ahsa (Hofuf) would use it?
Likely candidates are oil wellsites and gathering, associated gas handling, water injection facilities, pipeline pump stations. 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.
What flights serve Al-Ahsa for visiting engineers?
Al-Ahsa International Airport is about 25 km from the city centre and has scheduled flights to Jeddah, Medina and Dubai. Many visitors instead fly to Dammam or Riyadh and drive, so check current schedules and the client's transport arrangements.
Does water injection at Ghawar create hazardous areas?
Water injection itself is mainly a pumping and piping activity, but it supports oil production, so nearby wellheads, separators and gas handling can be classified. The classification is set site by site by the operator; ask for the area classification drawings before specifying handheld devices.
Is the Al Ahsa climate a battery concern?
Hot desert conditions with high summer temperatures and dust are normal here. Batteries and electronics have temperature limits, so check the datasheet range against expected conditions, and avoid leaving a handset in a hot vehicle. IP68 helps against dust, but it does not address heat or ignition risk.
Related guides
Keep exploring
Other guides for Al Ahsa, other places in Saudi Arabia, and the pages behind them.
ATEX and IECEx Mobile Phone Distributor in Al AhsaSame place, different guide
Rugged Mobile Phone Distributor in Al AhsaSame place, different guide
Industrial Mobile Phone in Al AhsaSame place, different guide
Ex-Proof Mobile Phone in Al AhsaSame place, different guide
Explosion-Proof Mobile Phone Distributor in Al AhsaSame place, different guide
Hazardous Area Mobile Phone Distributor in Al AhsaSame place, different guide
ATEX and IECEx Mobile Phone Distributor in AbqaiqElsewhere in Saudi Arabia
ATEX and IECEx Mobile Phone Distributor in YanbuElsewhere in Saudi Arabia
ATEX and IECEx Mobile Phone Distributor in DhahranElsewhere in Saudi Arabia
ATEX and IECEx Mobile Phone Distributor in JizanElsewhere in Saudi Arabia
Saudi Arabia market guideCertification route and regulators
All guides for Saudi ArabiaEvery route we cover
Certification statusWhat is in progress
Enquiry · Al-Ahsa (Hofuf)
Ask about the IS-04Z1 for Al-Ahsa (Hofuf), Saudi Arabia
Send the site, zone and gas group and roughly how many handsets. We reply by email with the datasheet and the certification schedule.
Enquiry · Al-Ahsa (Hofuf)
Launching Q4 2026
Planning for Al Ahsa?
Tell us the zone, gas group and operator. We will send the datasheet and the certification schedule.