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3.5.1 Battery
A 3.6 V DC lithium battery is fitted in the standard version. The battery is not to be charged or short-
circuited. Ambient temperatures below 40 °C extend the life of the battery.
DANGER
There is a risk of explosion if the battery is replaced with the wrong type of
battery.
3.5.2 Overview of the measuring rates
The following table shows the lifetime of the batteries depending on the standard measuring rates.
Customer versions can differ from the standard measuring rates in the measuring rate and battery
lifetime.
without radio/without modules
868MHz
434MHz
Quick Mode
without radio
868MHz
434MHz
without radio
868MHz
434MHz
1
: for "moderate" ambient temperature. Temperature above 35°C reduces the lifetime.
The temperature at storage of the meter in a warehouse shall be less than 35°C.
The calculation of flow and volume is will be done every 2 seconds
After that the display is updated every 2 seconds.
To save energy the meter tries to do all its operations like metering, calculation and updating the
display at the same time.
Battery
Radio sending
1
lifetime
interval
[Years]
1
A-Cell
10,5
without radio
10
180s
10
180s
6,5
180s
7
without radio
D-Cell
16
16
12s
16
12s
Mains unit
unlimited
12s
unlimited
12s
unlimited
12s
11
Measuring rate
(independent of radio)
Measuring rate
Volume
Temperature
Volume
Temperature
Measuring rate
-
Volume
Temperature
Measuring rate
Volume
Temperature
1s
16s
1s
4s
1s
4s
8Hz
2s
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