Cold winters
Winter months average around minus 2 C, and three out of four January days are below freezing, so outdoor equipment should tolerate low temperatures.
Oslo is Norway's capital and a major maritime and energy-company centre. Sjursoya, a peninsula used entirely by the Port of Oslo, is the main oil port for Eastern Norway and handles petroleum products and methanol, which gives Oslo its main classified areas. If you are specifying an intrinsically safe mobile phone for Oslo, this page covers the markings, the approvals and the current certification status of the IS-04Z1.
Pre-launch · certification in progress · Launching Q4 2026
Short answer. The SAMS IS-04Z1 is the intrinsically safe smartphone covered here for Oslo: 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. An operator's own vendor approval is a separate step. Certification status. Place facts reviewed October 2026.
| 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 | Oslo: Petroleum product storage and loading, Methanol and bulk cargo handling, Fuel depots | Classified by the site operator |

An intrinsically safe Android smartphone designed for Zone 1 and Zone 21 hazardous areas in Oslo. It is pre-launch: IECEx, ATEX and NEC 500 certification is in progress ahead of the Q4 2026 launch.
Who operates there and which kinds of classified area a handset would meet, from the SAMS site research.
Winter months average around minus 2 C, and three out of four January days are below freezing, so outdoor equipment should tolerate low temperatures.
Equinor's Oslo office and Aker Solutions are at Fornebu, which lies in Baerum municipality rather than Oslo itself.
Because shipping and maritime insurance headquarters are concentrated in Oslo, buyers of marine equipment often meet and approve suppliers there even when the vessels or yards are elsewhere in Norway.
The Port of Oslo is run by Oslo Havn KF, a municipal enterprise accountable to the city that was first established by royal charter in 1735 and had around 100 employees in 2021.
Oslo sits at the northern end of the Oslofjord, with a municipal population of 724,290 in 2025, a greater urban area of about 1.1 million, and a metropolitan area of roughly 1.5 million.
Oslo has a humid continental climate with fairly cold winters and some of the warmest summers in Norway, and the driest seasons are winter and spring while summer and autumn are wettest.
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 Oslo. Terminal staff at Sjursoya move between storage tanks, loading points and fuel depots on routine rounds. An intrinsically safe handheld lets them record readings, take photos and complete permits at the point of work without leaving classified areas. That is the role the IS-04Z1 is designed for, once certified.
A short checklist for anyone writing or reviewing the specification, with the IS-04Z1 status against each point.
No. Nothing can be bought or taken into a classified area today: certification is in progress and launch is planned for Q4 2026. What is available now is the datasheet, the written certification schedule and evaluation units for safe-area use.
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.
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.
Likely candidates are petroleum product storage and loading, methanol and bulk cargo handling, fuel depots. Which areas are classified, and to what zone, is set by the site operator's own area classification drawings.
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.
Largely, yes. The city is a hub of shipping, banking and trade, with many maritime company headquarters, while major process plants and offshore bases lie elsewhere in Norway. Many suppliers meet buyers in Oslo, then arrange site visits and deliveries separately.
Gardermoen airport is 35 km north-east of the city, and sea freight arrives through Oslo's port. Norway is outside the EU customs union, so allow time for customs declarations and confirm any approval requirements for electrical and radio equipment with your forwarder.
Winter months average around minus 2 C and most January days are below freezing, so battery performance and operating range matter. Check the certified ambient temperature range, keep the phone warm between tasks and charge in a safe area. Ask the operator about cold-weather practice.
Related guides for Oslo and for Norway.
Send the site, zone and gas group and roughly how many handsets. We reply by email with the datasheet and the certification schedule.
Name the site and the operator and we will send what is available before launch.