Microsensor MDM7000 Operation Manual page 46

Intrinsically safe explosion-proof standards: GB/T 3836.1-2021,
GB/T 3836.4-2021, intrinsically safe mark: Ex ia IIC T4 Ga;
Flameproof and explosion-proof standards: GB/T 3836.1-2021,
GB/T 3836.2-2021, flameproof mark: Ex db ⅡC T6 Gb;
Dust explosion-proof standards: GB/T 3836.1-2021, GB/T
3836.31-2021, dust explosion-proof mark: dust explosion-proof
mark: Ex tb IIIC T85℃ Db;
IP rating reference standard: GB/T 4208. Housing: IP67.
ATEX explosion-proof mark and performance
Intrinsically safe explosion-proof standards: En 60079-0, En
60079-11;
Intrinsically safe explosion-proof mark: Ex ia IIC T4 Ga;
Flameproof and explosion-proof standards: En 60079-0, En
60079-1;
Flameproof mark: II 2G Ex db IIC T6 Gb;
Dust explosion-proof standards: EN IEC 60079-0, EN 60079-31;
Dust explosion-proof mark: II 2D Ex tb IIIC T80℃ Db
IP rating reference standard: En 60529. Housing: IP67.
IECEx explosion-proof mark and performance
Intrinsically safe explosion-proof standards: IEC 60079-0, IEC
60079-11;
Intrinsically safe explosion-proof mark: Ex ia IIC T4 Ga;
Flameproof and explosion-proof standards: IEC 60079-0, IEC
60079-1;
44