EMH metering DIZ, Инструкция по эксплуатации

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The internal battery allows at least 250 readings with a duration of 1 min
each to be performed. These readings can be performed over a period
of 8 years; however, the service life of the battery can change due to
the user profile.
In battery mode, the display automatically goes out 20 s after the call-up
button was pressed for the last time.
The following is not available in battery mode:
y
Optical/electrical interface
y
Measuring element
y
Data storage
y
Pulse counting
y
Input
y
Outputs
y
Display lighting
y
Symbols are shown on the display
Next to the standard operating display, the call-up menu contains the list
menu as its only submenu.
The measurements list is hidden in the list menu.
The alternating display of the standard operating display shows the
energy values for the current tariff.
If the battery is not used for a longer time, the read-out can
pause for technological reasons.
In this case, press and hold the call-up button for a longer time
(≤ 30 s) so that the meter can be operated again.
Real time clock
The real time clock (RTC) is used for tariff switching and for synchroni -
sation of the load profile.
During operation, the real time clock has a running accuracy within
± 5 ppm (at 23 °C). After a 24-hour charging period (minimum) for the
gold cap, the device clock will continue to run with a power reserve of at
least 168 hours (7 days) in the event of a voltage failure.
The time and date can be set via the data interface and the set menu
(“Setmenu”).