The IS-04Z1 is an intrinsically safe Android handset designed for Zone 1 and Zone 21, built for refinery and cracker rounds on the west coast, mill and recovery boiler areas inland, and winter shifts in the north where a device is handled through two layers of glove. This page explains what to look for in a hazardous area mobile phone for Sweden, and where the IS-04Z1 stands against that list today.
Pre-launch · certification in progress · Launching Q4 2026
Short answer. The SAMS IS-04Z1 is the intrinsically safe smartphone covered here for Sweden: pre-launch, designed for Zone 1 and Zone 21 (marking target Ex ib IIC T4), with certification in progress and no certificate issued.
Where things stand: the IS-04Z1 has not launched, and none of its four certification routes has produced a certificate yet. Operator approval runs on its own timeline. Certification status. Place facts reviewed October 2026.
| Check | What to look for | IS-04Z1 today |
|---|---|---|
| Zone | 0, 1 or 2 for gas; 20, 21 or 22 for dust | Designed for Zone 1 and Zone 21 |
| Gas group | IIA, IIB or IIC | IIC (target) |
| Area drawing | The operator's own classification drawing | Decided by the site operator |
| Where it applies | Sweden: Lysekil, Gothenburg river bank, Stenungsund | Classified by the site operator |
An intrinsically safe Android smartphone designed for Zone 1 and Zone 21 hazardous areas in Sweden. It is pre-launch: IECEx, ATEX and NEC 500 certification is in progress ahead of the Q4 2026 launch.
The main operators, industrial areas and sites that the SAMS Sweden market guide covers.
Preem's refineries provide roughly half of all petroleum products consumed in Sweden and nearly 65% of its production is sold abroad, mainly in north-west Europe, so its refineries are large and busy classified-area sites.
The Port of Gothenburg is the largest in the Nordic countries and handles nearly 30% of Sweden's foreign trade, about 39 million tonnes a year, so most imported equipment can enter through one port.
The Lysekil refinery plan began in 1945 when the consumer-owned oil company OK was formed, but the plant was only inaugurated in 1975, and it remains one of the area's main employers.
Transport, especially aviation fuel and cars, is still majority powered by fossil fuels, so fuel depots, airports and filling stations remain the largest flammable-liquid networks outside refineries.
A hazardous area is a place where flammable gas, vapour or combustible dust may be present. Standards divide these into zones: Zones 0, 1 and 2 for gas and vapour, and Zones 20, 21 and 22 for dust. Zone 1 and Zone 21 are the tier where an explosive atmosphere is likely to occur in normal operation, which is where the IS-04Z1 is designed to work. Anything carried in must be marked for the zone, gas group and temperature class of the area.
No certificate has been issued for the IS-04Z1 yet, so it must not be taken into a classified area until the certificate covering it exists and the site operator has accepted it.
In Sweden. Swedish classified areas include refineries at Lysekil and Gothenburg, cracker plants at Stenungsund, bitumen production at Nynäshamn, iron ore and steel in the north, and kraft pulp and board mills. The operator classifies each area. SAMS does not classify any area and designs the device only for a stated one.
A short checklist for anyone writing or reviewing the specification, with the IS-04Z1 status against each point.
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.
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.
Zone 1 and Zone 21 (gas and dust) with gas group IIC and temperature class T4, subject to certification. It must not be used in a classified area before its certificate is issued and the site has accepted it.
The market guide for Sweden covers Lysekil, Gothenburg river bank, Stenungsund, Nynäshamn, among others. Site-level pages are linked below.
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.
Winter temperatures can be well below freezing, particularly in the north, which reduces battery capacity and affects touchscreen use with gloves. Check the lowest rated ambient temperature on the certificate, glove-friendly input and whether charging is possible outside the classified area.
Wood and biomass fuel handling creates combustible dust, so Zone 21 or Zone 22 areas may exist at boiler plants and fuel stores. Check that the device carries a dust marking suitable for the classification, not only a gas marking, and confirm with the plant operator.
Gloved operation is a design consideration, but screen response with gloves, physical key behaviour and one-handed use should be tested on the first day of a trial rather than accepted on paper. Use an evaluation unit on a real winter round.
Related guides for Sweden and for Sweden.
Share the site details and quantity. You will get the datasheet and the certification schedule back by email; pricing is indicative only until launch.
Name the site and the operator and we will send what is available before launch.
