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3.2
Power supply for EK280 without integrated power
supply unit
3.2.1 Battery power supply for the basic device
Data
Voltage
General nominal capacity
Usable capacity
Minimum number of batteries required
Minimum operating life (at standard
measurement conditions)
The standard measurement conditions are defined as follows:
Data
Measurement cycle
Mode input 1
Display active
Interface or modem active
Ambient temperature
3.2.2 Battery power supply for the integrated modem
Data
Voltage
General nominal capacity
3.2.3 External power supply for the basic device
Data
Supply voltage
Supply current, maximum
Technical data
Value
3.6
16.5
13.0
2
5
Value
30 seconds
Pulse input
60 minutes per month
30 minutes per month
-10 ... +50°C
Value
Unit
3.9
V
16.0
Ah
Value
Unit
7.5 ...8.5
V
40
mA
Unit
V
Ah
Ah
units
years
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