TECHNICAL DESCRIPTION MULTICAL® 21 & flowIQ® 2101 /..02 /..03
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Kamstrup A/S •Technical Description • 5512-897_J1_GB • 06.2016
As long as no adjustments have been made, both the ‘A’ and the digit are inactive, and Kamstrup A/S does
not add further adjustment marking to the meter. After the first adjustment, ‘A’ activates, and the digit
shows the number of adjustments (1 to 9). Below you see the sequence from adjustments 1 to 9.
10.7.6
Flow arrows
The flow arrows in the left side of the display indicate whether water flows through the meter (in the right
direction). If there is no flow (or backwards flow), all arrows are OFF. If there is flow through the meter, the
following sequence runs with a timing of 0.5 seconds per reading.
10.8
Wireless M-Bus
The meter has a built-in radio transmitter for Wireless M-Bus Mode C1 or T1 OMS.
Consequently, it is one-way transmission. The meter does not include a radio receiver and cannot be
contacted via radio.
10.8.1
Transmission
Data packages are sent at intervals of approx. 16 or 96 seconds via the built-in antenna.
Every eights packages is a ‘full string’, whereas the seven intervening packages are ‘compact strings’.
The time between transmissions depends on whether the meter is configured to 'Drive-by' or 'Fixed
network' – this selection is determined when ordering the meter, or it can be configured later by means of
METERTOOL.
Please note: The contents of the data package updates every time a package is sent.