Kamstrup MULTICAL 603 - Serial Number and Extended Availability

MULTICAL®603
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56
KamstrupA/S∙Technicaldescription∙5512‐2029_A1_GB_06.2017
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3.4 Serialnumberandextendedavailability
The serial number consists of 8 digits ( xxxxxxxx/WW/yy) a 2‐digit device code for extended availability
(xxxxxxxx/WW/yy)andtheproductionyear(xxxxxxxx/WW/yy).Theserialnumber(factorysetuniqueserialnumber)is
writtenonthemeterandcannotbechangedafterfactoryprogramming.
YouneedtheencryptionkeyofthespecificmetertobeabletoreadthemeterviawirelessM‐Bus.Thisencryptionkey
issenttothecustomerifthemeterispurchaseddirectlyfromKamstrupA/S.Customerswhobuytheirmetersfrom 
wholesalerscandownloadtheirencryptionkeyfromKamstrup’s
“EncryptionKeyService”wherethecustomercan
createauserprofilewithoutcontactingKamstrupA/S.Next,thecustomerentersthemeter’sserialnumberaswellas
thetwodigits(devicecode)forextendedavailabilityanddownloadstheencryptionkey.Thetwodigitshavebeen
introduced in order to provide a
secure method forcustomers  who buy Kamstrupmeters fromawholesaler to
downloadtherequiredencryptionkeys.
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