RIA16 Technical data
Endress+Hauser 27
12.0.4 Performance characteristics
Reference operating
conditions
T= 25 °C (77 °F)
Maximum measured error < 0.1% of scaled display range
Influence of ambient
temperature (temperature
drift)
Effect on the accuracy when ambient temperature changes by 1 K (1.8 °F): 0.01%
12.0.5 Installation
Installation instructions Mounting location
Wall or pipe mounting (see 'Accessories')
Orientation
No restrictions, the orientation is determined by the readability of the display.
12.0.6 Environment
Ambient temperature limits -40 to +80 °C (-40 to +176 °F)
-20 to +80 °C (-4 to +176 °F) when the Open Collector output is used
!
Note!
The display can react slowly for temperatures < -20 °C (< -4 °F).
Readability of the display cannot be guaranteed at temperatures < -30 °C (-22 °F).
Storage temperature -40 to +80 °C (-40 to +176 °F)
Electrical safety As per IEC 61010-1,
UL61010-1,
CSA C22.2 No. 1010.1-92
Climate class As per IEC 60 654-1, Class C
Degree of protection IP 67, NEMA 4X (not evaluated by UL)
Shock and vibration resistance 3g / 2 to 150 Hz as per IEC 60 068-2-6
Condensation Permitted
Installation category 1 to IEC 61010
Pollution degree 2 to IEC 61010
Electromagnetic compatibility
(EMC)
• EN 61326 (IEC 61326):
Electromagnetic compatibility (EMC requirements)
• NAMUR (NE21):
Association for Standards for Control and Regulation in the Chemical Industry
• Maximum deviation: < 0.2 % of span
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