The STP8X is certified to the following IECEx and ATEX specifications:
International IECEx Specifications
Gas Environment rating
= Ex ib IIC T4 Gb (-20°C <= Ta <= +55°C)
Dust Environment rating
= Ex ib IIIC T90°C Db (-20°C<=Ta <= +55°C)
European ATEX Specifications
Gas Environment rating
= Ex II 2G Ex ib IIC T4 Gb (-20°C<=Ta<=+55°C)
Dust Environment rating
= Ex II 2D Ex ib IIIC T90°C Db (-20°C<=Ta<=+55°C)
Special provisions:
STP8X SCORPION Headset – Restricted to (-20 °C ? Ta ? +50 °C) and to T130 °C
HL-09 ATEX Headset – Restricted to (-20 °C ? Ta ? +50 °C) and to T130 °C