TECHNICAL DESCRIPTION
Kamstrup 162M/382M
5512-1040 GB/05.2012/Rev. C1
10
3
Functions
3.1
Start-up of meter
In the first five seconds after being connected to power, the meter will show its software type and revision
number. In the next five seconds, the ROM checksum will be displayed.
3.1.1
Software revision
The 8 digits in the value field describes the software type and revision is shown in the text field in the upper right
corner.
3.1.2
ROM checksum
The four or five digits of the ROM CRC appear as one number resulting from the checksum calculation.
3.2
Registers
Kamstrup’s direct meters are constructed as 4-quadrant meters, which provide safe registration of various
measured data such as imported and exported energy for both active and reactive energy, tariffed energy, power,
voltage and current.
R+
kvarh
R-
kvarh
A+
kWh
A-
kWh
1
2
3
4
+R
i
+R
c
-R
c
-R
i
W
var
W
var
W
var
W
var
Figure 1: Energy and power measurement in 4 quadrants.
The basic meter is constructed as an import meter, but is available as an import/export meter for both active and
reactive energy. The possible energy registers are seen below. The OBIS code of each energy type is stated in
brackets according to EN 62056-61.
