METERING
R
®
www.merkur-germany.com
Display
METERING
R
®
LED display
Indicator
Status
Pulse LED
Red LED
Alarm LED
Yellow LED:
When meter terminal cover open, meter
cover open, reverse, bypass, under magnetic
influence,overload and overvoltage occur.
Blue LED:
When relay disconnects, the blue LED will flicker.
Credit status LED
2 grades: Days with balance credit: first
grade>second grade>0 unit: day
When remaining credit can support days more
than first grade, green LED is on constantly.
When remaining credit can support days less
than first grade, red LED is on constantly.
When remaining credit can support days less
than second grade, red LED is on and the relay
is disconnected.
Display mode
Button display, normal display and power-off display
Display time
- Normal display mode: Normal display time is configurable, 1-99s,
default is 5s;
- Button display time is fixed at about 4 minutes, the mode will transfer
to normal display when time is up
- Power-off display mode: LCD displays nothing. After pressing any
button, it will stay on for four minutes.
RTC
The clock supports the following functions:
- Auto-switch of leap year
- The entity error ≤ 0.5s / Day (in 23°C)
- Battery:Replaceable battery for display and RTC during
power
outage:
- 10 years battery operational life
- Operating for at least 2 years in case of any power failure
- After power off, within one hour, battery should be
replaced.
Load Profile
- Default interval:1,15,30,60minutes(configurable),
default 15 minutes.
- Stores: More than 35 days 15minutes intervals
(3360 records minimum).
Data recorded as follows:
Capture Object Description
Unit
Total import active energy
kWh
Import active demand
kW
14
