Technical data RIA45
50 Endress+Hauser
13.5.2 Environment
Ambient temperature range
NOTICE
The life-time of the display is shortened when operated in the upper temperature
range.
‣
To avoid heat accumulation, always make sure the device is sufficiently cooled.
Non-Ex/Ex devices: –20 to 60 °C (–4 to 140 °F)
UL devices: –20 to 50 °C (–4 to 122 °F)
Storage temperature
–40 to 85 °C (–40 to 185 °F)
Operating height
< 2 000 m (6 560 ft) above MSL
Climate class
As per IEC 60654-1, Klasse B2
Degree of protection
Front IP 65 / NEMA 4 (not evaluated by UL)
Device casing/rear side IP 20
Electrical safety
Protection class I, overvoltage category II, pollution degree II
Condensation
Front: permitted
Device casing: not permitted
Electromagnetic compatibility (EMC)
• Interference immunity:
To IEC 61326 industrial environments / NAMUR NE 21
• Interference emissions:
To IEC 61326 Class A
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