Fuel and gas
Subsidiaries provide fuel storage tank leasing and terminal services (Senoko Services) and gas shipping and retail (Senoko Gas Supply).
Senoko Industrial Zone · IECEx
IECEx Mobile Phone in Senoko Industrial Zone
The station stands on the site of a former British naval base in Sembawang on Singapore's northern coast, so the shoreline is a mixture of old naval and new industrial land. Classified areas centre on the power station's gas systems and on fuel storage tank leasing and terminal services, not on the whole estate. This page explains what to look for in an IECEx mobile phone for Senoko, 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 topicIECEx
DeviceMobile Phone
RouteSpecification
WhereSenoko Industrial Zone
Short answer. The SAMS IS-04Z1 is the intrinsically safe smartphone covered here for Senoko: pre-launch, designed for Zone 1 and Zone 21 (marking target Ex ib IIC T4), with certification in progress and no certificate issued.
For the record, no certificate exists for the IS-04Z1 today. The programme is under way ahead of a Q4 2026 launch. An operator's own vendor approval is a separate step. Certification status. Place facts reviewed October 2026.
At a glance · IECEx
Checklist: IECEx mobile phone for Senoko
| 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 | Senoko: Power plant gas and fuel systems, Fuel storage tanks and terminal services | Classified by the site operator |
Product · Senoko Industrial Zone
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 Senoko Industrial Zone. 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 · Senoko
Senoko: where the IS-04Z1 would work
Who operates there and which kinds of classified area a handset would meet, from the SAMS site research.
Operators and companies on site
- Senoko Energy
- Senoko Services (fuel storage tank leasing and terminals)
- Senoko Gas Supply
Classified areas to expect
- Power plant gas and fuel systems
- Fuel storage tanks and terminal services
Local conditions · Senoko
Conditions in Senoko that affect handheld equipment
Power station
Senoko Power Station is a combined cycle plant with a licensed capacity of 2,644 MW and supplies about 20 per cent of Singapore's electricity needs, according to its operator.
Field notes · Senoko
More about Senoko that matters for portable equipment
Senoko: infrastructure
Its authorised capacity is 2,800 megawatts from seven operating units, and it runs mainly as a combined-cycle gas plant, so gas-turbine halls and fuel systems form its main classified areas.
Senoko: industry on the ground
Natural gas supplies over 90 percent of Singapore's electricity, up from less than 20 percent in 2000, which is why large gas-fired plants such as Senoko dominate the local hazardous-area picture.
Senoko: infrastructure
Combined-cycle units 6 and 7, rated at 431 megawatts each, were completed by 2012 by repowering the second oil-fired steam stage, while units 3 to 5 at 365 megawatts each followed by 2004.
Senoko: industry on the ground
Natural gas has replaced crude oil as the main fuel since 1992, with fuel oil kept as a back-up, and stage III boilers were modified with gas burners to burn either fuel.
The term · IECEx
What “IECEx” means for a smartphone
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 Senoko. Senoko's owners are international groups, so visiting engineers and outage contractors may be used to reading IECEx paperwork. A certificate of conformity with its schedule of conditions is what such a reader would look for. For the IS-04Z1 neither document exists yet, because the IECEx programme is still in progress.
The route · specification
Specifying an IECEx mobile phone for Senoko Industrial Zone
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 · Senoko Industrial Zone
Frequently asked questions
Can we buy an IECEx mobile phone in Senoko Industrial Zone 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 IECEx mobile phone in Senoko Industrial Zone 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.
Does the IS-04Z1 hold an IECEx certificate?
No. The IECEx certificate is in progress and has not been issued. SAMS will publish the number when it exists.
Which areas at Senoko would use it?
Likely candidates are power plant gas and fuel systems, fuel storage tanks and terminal services. 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.
When are outages most likely to need extra field devices?
Combined-cycle units are taken offline for planned inspections, and contractor numbers rise during those windows. Dates are set by the operator and the grid, so ask the plant's maintenance planner about the outage calendar and the approved-equipment list.
Does the fuel mix change the equipment requirement?
Natural gas has been the main fuel since 1992, with fuel oil as a back-up. Gas groups and temperature classes differ between natural gas and oil vapour, so devices should be matched to the gas group and temperature class stated in the plant's area classification.
Is the whole Senoko estate a hazardous area?
No. The classified areas are mostly the gas and fuel systems and fuel tanks at the power station, not the estate as a whole. Other tenants have not been checked here. Ask the relevant operator for its classification before assuming a zone, and confirm with the site operator.
Related guides
Keep exploring
Other guides for Senoko Industrial Zone, other places in Singapore, and the pages behind them.
Industrial Mobile Phone in Senoko Industrial ZoneSame place, different guide
Explosion-Proof Mobile Phone Distributor in Senoko Industrial ZoneSame place, different guide
Ex-Proof Mobile Phone Distributor in Senoko Industrial ZoneSame place, different guide
Rugged Mobile Phone in Senoko Industrial ZoneSame place, different guide
Intrinsically Safe Mobile Phone Distributor in Senoko Industrial ZoneSame place, different guide
Hazardous Area Mobile Phone Distributor in Senoko Industrial ZoneSame place, different guide
ATEX and IECEx Mobile Phone Distributor in Singapore PetrochemicalElsewhere in Singapore
ATEX and IECEx Mobile Phone Distributor in Pulau Bukom RefineryElsewhere in Singapore
ATEX and IECEx Mobile Phone Distributor in Singapore MarineElsewhere in Singapore
ATEX and IECEx Mobile Phone Distributor in Singapore ShipyardElsewhere in Singapore
Singapore market guideCertification route and regulators
All guides for SingaporeEvery route we cover
Certification statusWhat is in progress
Enquiry · Senoko
Ask about the IS-04Z1 for Senoko, 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 · Senoko
Launching Q4 2026
Planning for Senoko Industrial Zone?
Send the zone and gas group of your site and we will reply with the datasheet and schedule.