Section For Entity Parameters; Be Installed In An Enclosure Which Affords It A Degree Of; Protection Of At Least Ip20. Non-Metallic Enclosures Must Have; A Surface Resistance Of Less Than 1Gω; Light Alloy Or Zirconium - Emerson Rosemount 148 Quick Start Manual

April 2024
5.7.2 I7 IECEx Intrinsic Safety
Certificate
Standards
Markings
Special Condition of Safe Use (X):
1. The equipment, if supplied without an enclosure, must

be installed in an enclosure which affords it a degree of

protection of at least IP20. Non-metallic enclosures must have

a surface resistance of less than 1GΩ; light alloy or zirconium

enclosures must be protected from impact and friction if

located in a Zone 0 environment.

5.7.3 N7 IECEx Zone 2 with enclosure
Certificate
Standards
Markings
5.7.4 NG IECEx Zone 2 without enclosure
Certificate
Standards
Markings
Special Condition of Safe Use (X):
1. The equipment, if supplied without an enclosure, must be
installed in a suitably certified enclosure such that it is
afforded a degree of protection of at least IP54 in accordance
with IEC 60529 and IEC 60079-15 and be located in an area of
pollution degree 2 or better as defined in IEC 60664-1.
5.8 Brazil
5.8.1 I2 Brazil Intrinsic Safety
Certificate
Quick Start Guide
IECEx BAS 18.0062X
IEC 60079-0:2017, IEC 60079-11:2011
Ex ia IIC T5/T6 Ga, T5 (-60 °C ≤ T
≤ +60 °C);
See Tables at the end of the Product Certifications

section for Entity Parameters.

IECEx BAS 18.0063X
IEC 60079-0:2017, IEC 60079-15:2010
Ex nA IIC T5/T6 Gc; T5 (-60 °C ≤ T
T ≤ +60 °C)
a
IECEx BAS 18.0063X
IEC 60079-0:2017, IEC 60079-15:2010
Ex nA IIC T5/T6 Gc; T5 (-60 °C ≤ T
T ≤ +60 °C)
a
UL-BR 19.0202X
Quick Start Guide
≤ +80 °C), T6 (-60 °C ≤ T
a
≤ +80 °C), T6 (-60 °C ≤
a
≤ +80 °C), T6 (-60 °C ≤
a
a
21