Endress+Hauser RN221N Instructions page 23

Accuracy Reference conditions
Linearity
Load influence
Ambient temperature
influence
Application Installation conditions
conditions
Installation angle
Ambient Ambient temperature
conditions
Storage temperature
Operating height
Climate class
Ingress protection
Electromagnetic
compatibility (EMC)
Calibration temperature at 25 °C, ± 5 K
(77 °F, ± 9 °F)
≤ 0,15%
≤ 0,1%
≤ 0,1% in range 0 °C to 50 °C (32 °F to 122 °F)
≤ 0,2%/10 K in range -20 °C to 0 °C
(-4 °F to 32 °F)
Vibration free installation point, protection from
external heating
No restriction
-20 to +50 °C (-4 to 122 °F)
-20 to +70 °C (-4 to 158 °F)
To IEC 61010-1, < 2000 m height above sea level
To IEC 60654-1 Class B2
IP 20
Immunity to IEC 61326, Class A (industrial
environment)
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