Cold climate
Prairie winters are cold enough that battery performance and glove use are practical considerations.
The Cenovus Lloydminster Refinery (formerly Husky) processes 29,000 barrels per day and is Canada's largest asphalt supplier, producing about 30 grades of road asphalt at roughly 13,400 b/d. Cenovus operates a heavy oil upgrader and an asphalt refinery there, so process units and storage contain classified areas. This page explains what to look for in an IECEx smartphone for Lloydminster, 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 Lloydminster: pre-launch, designed for Zone 1 and Zone 21 (marking target Ex ib IIC T4), with certification in progress and no certificate issued.
Status: pre-launch. IECEx, ATEX, UKEX and NEC 500 certification is in progress and no certificate has been issued; launch is planned 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 |
|---|---|---|
| Certificate of conformity | Number checkable on the IECEx online register | In progress; not issued |
| Standards edition | The IEC 60079 edition the certificate cites | Stated on the certificate when issued |
| Schedule of conditions | Limits of use, batteries and accessories | Published with the certificate |
| Where it applies | Lloydminster: Heavy oil upgrader, Asphalt refinery, Thermal oil production facilities | Classified by the site operator |

An intrinsically safe Android smartphone designed for Zone 1 and Zone 21 hazardous areas in Lloydminster. It is pre-launch: IECEx, ATEX and NEC 500 certification is in progress ahead of the Q4 2026 launch.
The companies on site and the hazardous-area types a handset is likely to meet there.
Prairie winters are cold enough that battery performance and glove use are practical considerations.
The provincial boundary runs through the city, which is a single municipality, so work may fall under either province's rules.
The local oilfield services base includes drilling rigs, trucking fleets, PC pump shops and specialty manufacturers of oil tanks, sand-handling equipment and flushby servicing units.
The mayor has said that without the upgrader the city would be under 15,000 people; the 2021 census put it near 32,000 and the oilpatch drew many workers from Newfoundland.
The nearby Lloydminster Upgrader began as the Bi-Provincial Upgrader, with ownership shares held by Canada (31.7 percent), Alberta (24.2) and Saskatchewan (17.5), and is now operated by Cenovus.
The Yellowhead Highway (Highway 16) runs west to east through Lloydminster and Highway 17 follows the provincial border north to south; the city has its own airport but no local public transport service.
IECEx is the international scheme for certifying equipment used in explosive atmospheres. A certificate of conformity is issued by an accredited certification body against a specific edition of the IEC 60079 standards and carries a schedule of conditions of safe use. It is not a legal requirement in most countries on its own, but many national schemes accept it as the technical basis.
The IECEx certificate for the IS-04Z1 is in progress and has not been issued. The marking target is Ex ib IIC T4, the intrinsic safety concept for Zone 1 gas with the hardest gas group (IIC) and a 135 °C temperature class.
In Lloydminster. Cenovus runs the upgrader and the asphalt refinery here, and contractors may come from both provinces and further afield. IECEx documentation, a certificate of conformity with its schedule of conditions, offers a common reference for such visiting teams. The IS-04Z1 is designed for the route; nothing is issued.
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.
No. The IECEx certificate is in progress and has not been issued. SAMS will publish the number when it exists.
Likely candidates are heavy oil upgrader, asphalt refinery, thermal oil production facilities, tank storage. 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.
Long, cold, dry winters reduce battery life and stiffen cables, so use devices rated for low temperatures and keep spares warm. Confirm operator guidance on equipment in classified outdoor areas.
Heavy oil and asphalt are less volatile, but diluent, gas and heated tanks can still create classified areas. Request the facility's classification drawing and choose devices for the stated gas group and temperature class.
The provincial boundary runs through the city, which is a single municipality, so work may fall under either Alberta or Saskatchewan rules. Alberta uses the Safety Codes system with CSA C22.1. The Saskatchewan regulator has not been checked here, so ask the operator which rules govern the specific facility.
Related guides for Lloydminster and for Canada.
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.