Siemens Sicam P850 7KG85 Series - Environmental Conditions; General Data

13 Technical Data
13.1 General Device Data
271SICAM P850/P855, 7KG85xx, Device Manual
E50417-H1040-C482-A6, Edition 10.2018
13.1.4 Environmental Conditions
13.1.5 General Data
Temperature data 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 -40 °C to +70 °C
-40 °F to +158 °F
Temperature during storage -40 °C to +70 °C
-40 °F to +158 °F
Maximum temperature gradient 20 K/h
Air humidity data Mean relative humidity per year  75 %
Maximum relative humidity 95 % 30 days a year
Condensation during operation Not permitted
Condensation during transport and storage Permitted
Altitude Max. altitude above sea level 2000 m
Battery Type PANASONIC CR2032 or
VARTA 6032 101 501
Voltage 3 V
Capacity 230 mAh
Typical life For operation with permanently applied
supply voltage:
10 years
For operation with sporadically interrupted
supply voltage:
a total of 2 months over a 10-year period
Internal memory capacity 2 GB
Degree of protection
DIN rail housing IP20
Panel flush mounting (front) IP40 (with display, without door)
IP51 (with display and door)
Terminals IP2x