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General safety information – KROHNE OPTIWAVE 8300C Marine ATEX EN User Manual

Page 6

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GENERAL SAFETY INFORMATION

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OPTIWAVE 8300 C

www.krohne.com

02/2009 - 4000407102 - AD ATEX OPTIWAVE 8300 R02 en

Figure 1-2: Ex ia nameplate (device with external sensor)

Figure 1-3: Ex d[ia] nameplate

1 ATEX certifcation agency code. Refer also to temperature classes

temperature classes

temperature classes

temperature classes.

2 Equipment approval categories
3 Types of device protection including approved Gas Groups (IIA, IIB or IIC) and temperature classes for hazardous areas

and maximum surface temperature (please refer to the certificate)

4 Intrinsically-safe circuit data
5 Maximum voltage in accordance with EN 60079-0
6 Minimum waiting time after power-off before it is safe to open the terminal compartment
7 Cable entry type and size (Aluminium housing: M26 x 1.5, M20 x 1.5, ½NPT or G½; Stainless steel housing: M25 x 1.5,

M20 x 1.5, ½NPT or G½)

AD_ATEX_OPTIWAVE8300_EN_090407_4000407102_R02_PRT.book Page 6 Tuesday, April 7, 2009 5:07 PM