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TECHNICAL DESCRIPTION MULTICAL

401

5512-091 GB/02.2008/Rev. J1

List of Contents

1 General Description ..........................................................................................................7

1.1 Mechanical construction .......................................................................................................................8

2 Technical data ..................................................................................................................9

2.1 Approved meter data .............................................................................................................................9

2.2 Electrical data......................................................................................................................................10

2.3 Mechanical data..................................................................................................................................10

2.4 Accuracy..............................................................................................................................................10

2.5 Materials.............................................................................................................................................11

3 Type overview.................................................................................................................12

3.1 Type number, MULTICAL



401..............................................................................................................13

3.2 PROG (A-B-CCC)...................................................................................................................................15

3.3 CONFIG, DD-E-FF-GG.............................................................................................................................16

3.4 DATA ...................................................................................................................................................18

3.5 Other functions ...................................................................................................................................18

4 Dimentional sketches .....................................................................................................19

5 Pressure loss ..................................................................................................................22

6 Installation .....................................................................................................................23

6.1 Installation requirements.....................................................................................................................23

6.2 Installation angle for MULTICAL

401...................................................................................................24

6.3 Straight inlet .......................................................................................................................................25

6.4 Installation examples ..........................................................................................................................25

7 The calculator .................................................................................................................27

7.1 Measurement and calculation..............................................................................................................27

7.2 Push buttons.......................................................................................................................................27

7.3 Display functions.................................................................................................................................28

7.4 Information codes ...............................................................................................................................29

7.5 Reset functions....................................................................................................................................30

7.6 Tariff functions ....................................................................................................................................31

7.7 Temperature measurement..................................................................................................................35

8 The flow part...................................................................................................................36

8.1 Ultrasound with piezoceramics............................................................................................................36

8.2 Principles ............................................................................................................................................36

8.3 The transit time method.......................................................................................................................36

8.4 Signal paths ........................................................................................................................................38

8.5 Flow limits...........................................................................................................................................38

8.6 Guidelines for dimensioning MULTICAL

401 .......................................................................................39