Kamstrup MULTICAL 21 Technical Description page 4

TECHNICAL DESCRIPTION
10 Reading and data
10.1 Reading .................................................................................................................................................... 36
10.2 Volume measurement ............................................................................................................................. 36
10.3 Data function: Target volume .................................................................................................................. 36
10.4 Data function: Maximum flow and minimum flow .................................................................................. 37
10.5 Data function: Measuring meter and water temperatures ...................................................................... 37
10.6 Optional register in data logger ............................................................................................................... 39
10.7 Display functions ...................................................................................................................................... 40
10.8 Wireless M-Bus ........................................................................................................................................ 46
10.9 Optical eye ............................................................................................................................................... 48
11 Data loggers ................................................................................................................................................. 48
11.1 Memory ................................................................................................................................................... 48
11.2 Monthly and daily loggers ........................................................................................................................ 49
11.3 Hour counter ............................................................................................................................................ 49
11.4 Info register.............................................................................................................................................. 50
11.5 Meter modes (settings) ............................................................................................................................ 52
11.6 Normal mode ........................................................................................................................................... 52
11.7 Verification mode .................................................................................................................................... 52
11.8 Legal changes outside seal ....................................................................................................................... 53
12 Measuring principle
12.1 Ultrasound with piezo ceramics ............................................................................................................... 55
12.2 Principles .................................................................................................................................................. 55
12.3 Transit time method ................................................................................................................................ 55
12.4 Calculation of flow volume ...................................................................................................................... 57
12.5 Signal Paths .............................................................................................................................................. 58
12.6 Flow limits ................................................................................................................................................ 58
13 Pulse adapter for MULTICAL® 21 / flowIQ®
13.1 Function ................................................................................................................................................... 59
13.2 Application - environment ...................................................................................................................... 60
13.3 Lifetime - Pulse Adapter ........................................................................................................................... 60
13.4 Connection of Pulse Adapter ................................................................................................................... 60
13.5 Pull-up ...................................................................................................................................................... 61
14 Pulse Interface for MULTICAL® 21 / flowIQ® 2101 / ..02 / ..03
14.1 Connection Pulse Interface ...................................................................................................................... 63
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MULTICAL® 21 & flowIQ® 2101 /..02 /..03
2101/..02/..03.......................................................................... 59
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Kamstrup A/S •Technical Description • 5512-897_J1_GB • 06.2016