Merger
Sembcorp Marine and Keppel Offshore & Marine combined as Seatrium in 2023.
Singapore Shipyard · intrinsically safe
Intrinsically Safe Smartphone in Singapore Shipyard
Singapore's major shipyards are run by Seatrium, with yards at Admiralty, Benoi, Pioneer, Tuas and Tuas Boulevard, and by ST Engineering. Repair, conversion and newbuild work brings Zone 1 conditions into tanks, cargo spaces and paint areas. This page explains what to look for in an intrinsically safe smartphone for Singapore shipyards, and where the IS-04Z1 stands against that list today.
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
DeviceSmartphone
RouteSpecification
WhereSingapore Shipyard
Short answer. The SAMS IS-04Z1 is the intrinsically safe smartphone covered here for Singapore shipyards: 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. Operator approval runs on its own timeline. Certification status. Place facts reviewed October 2026.
At a glance · intrinsically safe
Checklist: intrinsically safe smartphone for Singapore shipyards
| 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 | Singapore shipyards: Vessel tank spaces, Dry dock and repair work, Paint and coating shops | Classified by the site operator |
Product · Singapore Shipyard
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 Singapore Shipyard. 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 · Singapore shipyards
Singapore shipyards 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
- Seatrium
- ST Engineering
Classified areas to expect
- Vessel tank spaces
- Dry dock and repair work
- Paint and coating shops
- Offshore conversion
Local conditions · Singapore shipyards
Conditions in Singapore shipyards that affect handheld equipment
Seatrium sites
Its official contact page lists Admiralty Yard, Benoi Yard, Pioneer Yard, Tuas Yard and Tuas Boulevard Yard in Singapore.
Field notes · Singapore shipyards
More about Singapore shipyards that matters for portable equipment
Singapore shipyards: climate and equipment wear
Heat, humidity and frequent heavy showers affect work on open decks, quays and docks all year round.
Singapore shipyards: projects and investment
Seatrium's repair and upgrade work covers LNG and LPG carriers, cruise ships, ferries, floating production vessels, jack-ups, tankers, container ships and heavy-lift vessels.
Singapore shipyards: infrastructure
The Tuas Boulevard Yard has a graving dock about 350 metres long and 66 metres wide, suited to the largest tankers and floating production units.
Singapore shipyards: background
In 2002 Keppel Shipyard was combined with Keppel FELS and Keppel Singmarine to form the Keppel Offshore and Marine group, which became part of Seatrium in 2023.
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 Singapore shipyards. Tank entry follows per-vessel gas-free and permit procedures, so supervisors spend time moving between tanks, dry dock and workshops with checklists and photographs. A handheld intrinsically safe phone is intended for that routine once certified, within the yard's permit rules. Certification is still in progress.
The route · specification
Specifying an intrinsically safe smartphone for Singapore Shipyard
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 · Singapore Shipyard
Frequently asked questions
Can we buy an intrinsically safe smartphone in Singapore Shipyard today?
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.
What does an intrinsically safe smartphone in Singapore Shipyard cost?
No price is published. While certification is in progress there is no list price and no committed lead time, and a supplier quoting a firm figure for an uncertified Ex handset is promising something it cannot stand behind. Indicative pre-launch pricing is issued in writing against a stated 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 Singapore shipyards would use it?
Likely candidates are vessel tank spaces, dry dock and repair work, paint and coating shops, offshore conversion. 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.
Do large docks create special conditions?
Large graving docks hold very big vessels and many contractors at once, so crowding, crane lifts and hot work overlap. Hazardous-area controls are managed per vessel by the yard's safety team and the owner's representative.
Which Singapore shipyards are major sites for Zone 1 work?
Seatrium's yards at Admiralty, Benoi, Pioneer, Tuas and Tuas Boulevard are the large repair and conversion sites, and other yards operate in the Jurong area. Zone 1 conditions arise inside tanks and pump rooms during repair and coating work.
Do gas-free procedures replace the need for certified equipment?
Not automatically. Tank entry and hot work normally follow per-vessel gas-free and permit procedures set by the yard, and some yards still require certified equipment in certain spaces. The IS-04Z1 has no certificate yet. Ask the yard safety department which rule applies.
Related guides
Keep exploring
Related guides for Singapore Shipyard and for Singapore.
ATEX and IECEx Mobile Phone in Singapore ShipyardSame place, different guide
IECEx Mobile Phone Distributor in Singapore ShipyardSame place, different guide
Ex-Proof Mobile Phone Distributor in Singapore ShipyardSame place, different guide
Industrial Mobile Phone Distributor in Singapore ShipyardSame place, different guide
Explosion-Proof Mobile Phone in Singapore ShipyardSame place, different guide
Rugged Mobile Phone in Singapore ShipyardSame place, different guide
ATEX and IECEx Mobile Phone Distributor in Pulau Bukom RefineryElsewhere in Singapore
ATEX and IECEx Mobile Phone Distributor in Senoko Industrial ZoneElsewhere in Singapore
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ATEX and IECEx Mobile Phone Distributor in Singapore LNGElsewhere in Singapore
Singapore market guideCertification route and regulators
All guides for SingaporeEvery route we cover
Certification statusWhat is in progress
Enquiry · Singapore shipyards
Ask about the IS-04Z1 for Singapore shipyards, Singapore
Send the site, zone and gas group and roughly how many handsets. We reply by email with the datasheet and the certification schedule.
Enquiry · Singapore shipyards
Launching Q4 2026
Planning for Singapore Shipyard?
Name the site and the operator and we will send what is available before launch.