Endress+Hauser RIA 450 - Page 61

Accuracy
(current/ voltage
input)
Current, voltage Accuracy 0.25% FSD
Temperature drift: 0.25% / 10K ambient temperature
Accuracy
(option
“Universal
input”)
Current, voltage,
RTD, TC
Accuracy 0.5% FSD
Temperature drift: 0.25% / 10K ambient temperature
Cold junction TC Accuracy: ±5K
Temperature drift: ±1°C / 10K ambient temperature
Application
conditions
Installation conditions
installation angle No limit
Ambient conditions
Ambient temp.
0°C...50°C
Store temperature -20°C...+70°C
Climatic class
To EN 60654-1 Class B2
Ingress protection Front: IP65; Terminals: IP20
EMC immunity
RF protection To EN 55011 Group1, Class A
Safety
Norm To EN 61010 -1 Protection class 1;
Over voltage category II, maximum allowable
interferance level II;
Installation excessive current protection <= 10A
Interfenance safety
ESD To EN 61000-4-2, 6kV/8kV
Electromag-
netic fields To EN 61000-4-3, 10V/m
Burst (Power
supply) To EN 61000-4-4, 2kV
Burst (Signal) To EN 61000-4-4, 2kV
Cable high
frequency To EN 61000-4-6, 10kV
Surge
(Power supply)
To EN 61000-4-5,
1kV symetric, 2kV unsymetric
Surge
(Signal)
To EN 61000-4-5, 1kV unsymetric with external over
voltage protection
Common mode
noise rejection
60dB at 60V 50/60Hz
Normal mode
noise rejection 40dB at measurement range 1/10, 50/60Hz
Process display
59