MULTICAL® 403
Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023
7.9 Info and config logger .................................................................................................................................... 97
7.9.1 Info logger ................................................................................................................................................ 97
7.9.2 Config logger ............................................................................................................................................ 97
7.10 Summer/winter time adjustment .................................................................................................................. 98
8 Flow sensor ........................................................................................................................................ 99
8.1 Measuring principles ...................................................................................................................................... 99
8.2 Signal path and flow calculation ..................................................................................................................... 99
8.3 Flow limits .................................................................................................................................................... 101
9 Temperature sensors ........................................................................................................................ 102
9.1 Temperature sensor types ........................................................................................................................... 103
9.2 Cable effect .................................................................................................................................................. 104
9.3 Installation.................................................................................................................................................... 104
9.3.1 Identification of inlet and outlet temperature sensors .......................................................................... 104
9.3.2 Electrical connection .............................................................................................................................. 105
9.3.3 Pt500 direct short sensor set ................................................................................................................. 105
9.3.4 Pt500 ø5,0 mm / ø5,2 mm sensor types ................................................................................................ 107
9.3.5 Pt500 ø5.8 mm / ø6.0 mm pocket sensor set ........................................................................................ 109
10 Power supply ................................................................................................................................. 110
10.1 Battery, 2 x A-cells ........................................................................................................................................ 110
10.2 Lithium battery, 1 x D-cell ............................................................................................................................ 111
10.3 Lithium battery, 1 x C-cell IoT ....................................................................................................................... 111
10.4 Battery lifetimes ........................................................................................................................................... 112
10.5 230 VAC supply module ............................................................................................................................... 113
10.6 24 VAC supply module ................................................................................................................................. 113
10.7 230 VAC high-power SMPS........................................................................................................................... 114
10.8 24 VAC/VDC high-power SMPS .................................................................................................................... 114
10.9 Power consumption of mains connected meter .......................................................................................... 114
10.10 Safety transformer 230/24 VAC ................................................................................................................... 115
10.11 Supply cables for supply module .................................................................................................................. 115
10.12 Retrofitting and exchange of supply modules .............................................................................................. 116
10.13 Data-backup in case of interruption of supply ............................................................................................. 117
11 Communication modules ............................................................................................................... 118
11.1 Marking on communication modules .......................................................................................................... 119
11.2 Modules ....................................................................................................................................................... 120
11.2.1 HC-003-10: Data Pulse, inputs (In-A, In-B) ............................................................................................. 120
11.2.2 HC-003-11: Data Pulse, outputs (Out-C, Out-D)..................................................................................... 120
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