MULTICAL® 402
4
Kamstrup A/S · Technical Description · 5512-742_M1_GB_01.2016
7.10
Data loggers ...................................................................................................................................... 55
7.11
Setup via front keys ........................................................................................................................... 56
7.12
Reset via front keys ............................................................................................................................ 58
8
Flow Sensor ................................................................................................................. 59
8.1
Ultrasound combined with piezo ceramics ......................................................................................... 59
8.2
Principles........................................................................................................................................... 59
8.3
Transit time method ........................................................................................................................... 59
8.4
Signal paths ...................................................................................................................................... 61
8.5
Flow limits ......................................................................................................................................... 61
9
Temperature sensors .................................................................................................... 62
9.1
Sensor types ...................................................................................................................................... 63
9.2
Cable influence .................................................................................................................................. 64
9.3
Installation ........................................................................................................................................ 64
9.4
Pocket sensors .................................................................................................................................. 65
9.5
Pt500 short direct sensor set ............................................................................................................. 66
10
Power supply ............................................................................................................ 67
10.1
Built-in 2 x AA-cell lithium battery ...................................................................................................... 67
10.2
Built-in D-cell lithium battery .............................................................................................................. 68
10.3
Battery lifetimes of 2 x AA-cell ............................................................................................................ 69
10.4
Battery lifetimes of D-cell ................................................................................................................... 70
10.5
Supply Module 230 VAC ..................................................................................................................... 71
10.6
Supply Module 24 VAC ....................................................................................................................... 71
10.7
Change of supply unit ........................................................................................................................ 72
10.8
Mains cables ..................................................................................................................................... 72
10.9
Danish regulations for the connection of mains operated meters ........................................................ 73
11
Communication Modules ........................................................................................... 74
11.1
Communication Modules ................................................................................................................... 74
11.2
Pulse outputs (CE and CV) .................................................................................................................. 75
11.3
Pulse inputs VA and VB ...................................................................................................................... 76
11.4
Modules ............................................................................................................................................ 77
11.5
Mounting an external antenna ............................................................................................................ 81
11.6
Retrofitting modules .......................................................................................................................... 81
12
Data Communication ................................................................................................. 82
12.1
MULTICAL
82
402 Data Protocol ............................................................................................................
12.2
Optical eye ........................................................................................................................................ 84
13
Calibration and verification ....................................................................................... 85
13.1
Connector .......................................................................................................................................... 85
13.2
Test – verification mode ..................................................................................................................... 86
13.3
Handling of different test methods ..................................................................................................... 91
13.4
True energy calculation ...................................................................................................................... 93
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