Introducing the highest level TETRA intrinsically safe radio from Hytera
Hytera PT790Ex, Water & Dust Protection IEC60529, IP67 Two-Way Radios
Plastic-encapsulated technology, error-prevention design, and IP67 protection ensure intrinsically safe and reliable communication in hazardous scenes with explosive gas and combustible dusts.PT790 Ex works in places which contains a variety of explosive gas, even mine methane, for example, coal mine, gas stations, oil platforms, chemical plants, flour mills, airport and other inflammable or explosive conditions, etc.More reliable and safer feature with “Structure Design of Screw Internal Trapping/Innovative Antistatic Design/Long cycle life/Skid-proof Design”, PT790Ex ensures its best performance even in the toughest conditions and environment.Innovative design to protect you with “GNSS positioning/Man Down/Lone Worker” features, PT790Ex can be your patron in some accident situation.
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Technical HighlightsImproved PCB Circuit Layout & EMC ShieldingTo achieve such a high safety standard, Hytera PT790 Ex adopts optimized distributed line design on PCB, minimizing the odds of circuit fault. All the key components on the PCB are covered with shield, and the space between lines, between components, between component and shield are properly spaced , which translates to better EMC performance and less internal interference.Innovative Silicone EncapsulatingSilicone encapsulant technology prevents the internal circuits from interface with air and liquid which effectively stops the intrusion of liquid, dust and harmful gas. The silicone encapsulating process is delicate and complicated. As a result, every single PT790 Ex radio spends eight hours in the manufacture line.Innovative Electrostatic Free DesignHytera applies patent on electrostatic free design and dual-material molding technology in this intrinsically safe portable. The static dispersive material (red) minimizes static accumulation on the surface, thus reducing the probability of static discharge on the radio. Meanwhile the robust material aximizes the ruggedness of the enclosure.IP67 (non-explosion-proof)The Ingress Protection reaches IP67 (6: Totally protected against dust; 7: Protected against the effects of immersion up to 1m for 30 minutes). It’s the highest IP level for land-based wireless radio application.Patented Battery LatchTo disengage the battery from Hytera digital portables, the lock and bolt of the latch need to be moved along two different axes. Such a patented design ensures no disengagement of the battery pack from the main radio in case of dropping that might cause spark.
ATEX is the European Union directive to which all two-way radios must conform if used in potentially explosive environments. It replaces the Cenelec classification in all European Union member states and EFTA countries.IECEx Scheme is the future route to global compliance certification. Its aim is to harmonize standards to allow free movement of goods by establishing a world-wide accepted standard.FM (FM Approvals LLC) is a member of Nationally Recognized Testing Laboratories of U.S.A. It strives to offer global services with unsurpassed technical integrity and exceptional customer satisfaction.
Chemical IndustryFlammable gases, liquids and solids are converted and processed in many different processes in the chemical industry. These processes may give rise to explosive mixtures.Power Generating CompaniesLump coal, which is not explosive in mixture with air, may be converted in the conveying, grinding and drying processes into coal dusts capable of forming explosive dust/air mixtures.MiningThe by-product of coal mining is gas. Following the coal exploiting, the gas will gather under the ground. If not in good security management, gas in coal mine can lead to serious gas explosion.Fire FightingAs for fire fighting, some task critical situations such as oil spill or natural gas leakage need high security electrical equipments.Pharmaceutical IndustryAlcohols are often used as solvents in the production of pharmaceuticals. Agents and auxiliary materials that give rise to dust explosions, such as lactose, may also be used.RefineriesThe hydrocarbons handled in refineries are all flammable and, depending on their flash point, may give rise to explosive atmospheres even at ambient temperature. The area around oil processing plant is generally regarded as a place where explosive atmospheres may occur.