Siemens SICAM P 7KG7750 - Environmental Conditions

8
8.1 SICAM P 7KG7750
138 Power Meter SICAM P 7KG7750/55, Manual
E50417-B1076-C340-A6, Edition 09.2013
8.1.1.4 Environmental Conditions
Temperature data
IEC/EN 60068
Operating temperature
Devices with display: the legibility of the display is
impaired at temperatures < 0 °C (+32 °F).
-25 °C to +55 °C
-13 °F to +131 °F
Temperature during transport -25 °C to +70 °C
-13 °F to +158 °F
Temperature during storage -25 °C to +70 °C
-13 °F to +158 °F
Maximum temperature gradient 20 K/h
Air humidity data Mean relative humidity per year ≤ 75 %
Maximum relative humidity 80 % for temperatures up to
31 °C (87.8 °F);
decrease linearly to 50 % at
40 °C (104 °F)
Condensation during operation Not permitted
Condensation during transport and storage Permitted
Altitude Max. altitude above sea level 2000 m
Pollution degree 2