32
32
Additional errors
in % of intrinsic error:
- due to ambient temperature changes < 50 % / 10
o
C
- for THD > 8%
< 50 %
Safety requirements:
according to EN 61010-1 standard
•
insulation between circuits: basic,
•
installation category III for voltages up to 300V in relation to earth
•
installation category II for voltages up to 600V in relation to earth
•
degree of pollution 2,
•
maximum operating voltage relative to earth:
- for power circuits and relay outputs 300 V
- for measurement input 500 V
- for RS485, Ethernet circuits, analog outputs 50 V
•
altitude < 2000m,
EN