21
9 Appendix
9
Appendix
9.1
Specifications and permitted operating conditions
9.1.1
SePem 01 GSM
Construction:
Die-cast aluminium housing
Protection rating:
IP68
Power supply:
Lithium batteries (must only be re-
placed through authorised SEWERIN
Service scheme)
Operating time:
Up to 10 years (depending on settings
and network quality)
Weight:
Approx. 675 g (with aerial and magnet)
Dimensions
(W × D × H):
108 × 51 × 50 mm
(without aerial and magnet)
Length of aerial:
80 mm
Operating tempera-
ture:
-20 ºC – +55 ºC
Storage temperature: -20 ºC – +70 ºC
Data memory:
64 kB
Sampling rate:
1 s – 1 h
Communication:
GSM and cable
Frequency:
Quad band GSM
(850/900/1800/1900 MHz)
Permitted operating
environments:
For installation in shafts and under-
z
ground hydrants
Submersible to 1 m
z
Non-permitted ope-
rating environments:
In liquids other than water
z
In aggressive media
z
In potentially explosive areas
z
Permissible relative
humidity:
100%
