General safety information – KROHNE OPTIWAVE 7300C ATEX EN User Manual
Page 7

GENERAL SAFETY INFORMATION
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7
OPTIWAVE 7300 C
www.krohne.com
06/2010 - 4000091504 - AD ATEX OPTIWAVE 7300 R06 en
Figure 1-3: Ex d[ia] / Ex tD[iaD] nameplate (4...20 mA output)
Figure 1-4: Ex nA nameplate (4...20 mA output)
1 ATEX certification agency code
2 Equipment category (explosive atmosphere - gas)
3 Types of device protection including approved Gas Groups (IIA, IIB or IIC) and temperature classes (T6...T3)
4 Equipment category (explosive atmosphere - gas), types of device protection including approved Gas Groups (IIA, IIB
or IIC) and temperature classes (T6...T3)
5 Equipment category (explosive atmosphere - dust)
6 Types of device protection (explosive atmosphere - dust)
7 Degree of ingress protection (if fitted with the appropriate cable glands) and maximum surface temperature
8 Maximum voltage in accordance with EN 60079-0
9 Minimum waiting time after power-off before it is safe to open the terminal compartment
10 Cable entry type and size (Aluminium housing: M26×1.5, M20×1.5, ½ NPT or G ½; Stainless steel housing: M25×1.5,
M20×1.5, ½ NPT or G ½)