Tropical monsoon climate
Wikipedia records three seasons (winter, summer, monsoon) with 250 to 300 cm of rain a year, so handsets used outdoors need good ingress protection.
The development corporation's estates provide roads, drainage, electricity and water supply, with larger estates including banks, schools and dispensaries. A large share are chemical, dye and pesticide plants, so solvent and process areas need Zone 1 or Zone 2 equipment. If you are specifying an IECEx smartphone for Vapi, Gujarat, 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 Vapi, Gujarat: 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. A buyer's engineering review is separate from the certificate. 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 | Vapi, Gujarat: Solvent storage and handling, Chemical reactors and process areas, Dye and pesticide manufacturing | Classified by the site operator |

An intrinsically safe Android smartphone designed for Zone 1 and Zone 21 hazardous areas in Vapi India. 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.
Wikipedia records three seasons (winter, summer, monsoon) with 250 to 300 cm of rain a year, so handsets used outdoors need good ingress protection.
The estate is made up largely of small-scale units rather than one large operator, so purchasing is spread across many firms.
Vapi had 163,630 residents in 2011, with Gujarati and Hindi the most common languages and a literacy rate of about 89 percent.
Vapi will be a station on the planned Mumbai-Ahmedabad high-speed rail corridor, and a coast guard airstrip at Daman can take private charters with permission.
Mumbai is roughly 185 kilometres to the south and Surat about 120 kilometres to the north, and the Mumbai-Ahmedabad rail line serves Vapi station.
The city has three seasons, winter, summer and monsoon, with annual rainfall of 250 to 300 centimetres.
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 Vapi, Gujarat. The IECEx scheme matters in Vapi mainly where a plant supplies or is audited by international customers. The certificate of conformity and its schedule of conditions are the documents a reviewer would read. For the IS-04Z1 they are targets, not issued papers, so nothing should be specified on them yet.
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.
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.
No. The IECEx certificate is in progress and has not been issued. SAMS will publish the number when it exists.
Likely candidates are solvent storage and handling, chemical reactors and process areas, dye and pesticide manufacturing, effluent and tank areas. 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.
Vapi gets 250 to 300 centimetres of rain a year, mostly in the monsoon season. Choose sealed, water-resistant devices with a suitable ingress rating, and keep spares and chargers in dry storage.
Vapi is on National Highway 48 and the Mumbai-Ahmedabad railway, about 185 kilometres from Mumbai. Most visitors fly into Mumbai or Surat and continue by road.
The plant owner decides, normally through its safety or maintenance manager, based on its own classification. The estate has many small units, so rules differ plant to plant. Ask each plant for its zone drawings and permit procedure before bringing any device on site.
Related guides for Vapi India and for India.
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.