
TECHNICAL DESCRIPTION MULTICAL® 21 & flowIQ® 2101 /..02 /..03
4
Kamstrup A/S •Technical Description • 5512-897_J1_GB • 06.2016
10
Reading and data
......................................................................................................................................... 36
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
..................................................................................................................................... 55
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® 2101/..02/..03
.......................................................................... 59
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
.................................................................... 63
14.1
Connection Pulse Interface
...................................................................................................................... 63