GMC-I Gossen-Metrawatt GmbH
7
4
Display and Control Panel
4.1
Test LED
The
test LED
is located between the LCD and the serial
plate. The higher the measured power value, the higher the
blink rate.
If all currents are lower than the starting current, the LED
lights up permanently.
LED Constant
U128x: 10 000 pulses/kWh
U138x: 100 000 pulses/kWh
4.2
Resolution of Energy Import Main Display
* the calibration reading indicates an additional digit after
the decimal point. Therefore, the leading digit is omitted in
the case of 7-digit presentation.
Meter
Feature
CTxVT
min.
CTxVT
max.
Standard
Reading
Calibration
Reading *
Unit
U1281,
U1289
—
—
123456.7 23456.78
kWh
U138x
Q0, Q1
or Q9
1
10 12345.67 2345.678
kWh
Q1 or Q9
11
100 123456.7 23456.78
kWh
101
1000 1234567 234567.8
kWh
1001
10000 12345.67 2345.678
MWh
10001
100000 123456.7 23456.78
MWh
100001 1000000 1234567 234567.8
MWh