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Technical description 

MULTICAL

® 

41 Water meter 

Kamstrup A/S 
Industrivej 28, Stilling 
DK-8660 Skanderborg 
TEL:  +45 89 93 10 00 
FAX:  +45 89 93 10 01 
[email protected] 
www.kamstrup.com 
 

Summary of Contents for MULTICAL 41

Page 1: ...Technical description MULTICAL 41 Water meter Kamstrup A S Industrivej 28 Stilling DK 8660 Skanderborg TEL 45 89 93 10 00 FAX 45 89 93 10 01 info kamstrup com www kamstrup com...

Page 2: ...TECHNICAL DESCRIPTION MULTICAL 41 5512 313 GB 01 2010 Rev C1 2...

Page 3: ...3 3 5 Other functions 13 4 Dimensional Sketches 14 5 Pressure Loss 15 6 Installation 16 6 1 Installation requirements 16 6 2 Installation angle for MULTICAL 41 17 6 3 Straight inlet 18 6 4 Installatio...

Page 4: ...M Bus EN 1434 3 EN 13757 pulse inputs 66 0P M Bus EN 1434 3 pulse inputs 66 0S 30 10 3 Radio 66 0L 31 10 4 Radio 66 0M 32 11 Data Communication 33 11 1 Optical reading 33 11 2 Optical data reading 33...

Page 5: ...ement is carried out by means of bidirectional ultrasound technique according to the transit time method which is a long term stable and accurate measuring principle Through two ultrasonic transducers...

Page 6: ...supply unit can be opened without breaking the verification 4 Supply Battery 24 VAC or 230 VAC Can be replaced without breaking the verification 5 Case for electronics unit 6 Screws and rawlplugs for...

Page 7: ...2 Electrical data Supply voltage 3 6 V 5 Battery 3 65 VDC D cell lithium Replacement interval 12 years tBAT 30 C Mains supply 230 VAC 15 30 50 Hz 24 VAC 50 Power consumption mains supply 1W Backup mai...

Page 8: ...1 OIML R 49 requirements to water meters 2 5 Materials Wetted parts Housing gland Enkotal alpha brass Transducer AISI 316 Gaskets EPDM Measuring pipe PES 30 GF Reflectors AISI 304 Flow sensor housing...

Page 9: ...6 Z X Flow sensor The type number of the flow sensor cannot be changed after programming at the factory 3 2 PROG total programming A B CCC 3 3 CONFIG partial programming DD E FF GG 3 4 DATA partial pr...

Page 10: ...ecial verification if any Customer labels 2001 XXX are integrated into the front label 3 1 1 Accessories Glands incl gaskets 6561 323 Gland incl gasket for DN15 R x G two 6561 324 Gland incl gasket fo...

Page 11: ...OG A B CCC Programming number A B CCC 3 4 Flow sensor placing Internal value Measuring unit Internal value Flow sensor coding CCC 3 2 1 Standard CCC codes CCC table for MULTICAL 41 Number of decimals...

Page 12: ...2 Yearly peak flow 2 Monthly data 1 12 A C Monthly volume B D Monthly peak flow C E Prog no Customer no D F Actual date Software edition E G Segment test F H Selection of peak power or peak flow for m...

Page 13: ...000000 0 24 5 m h 24 5 m h 1 10 m a m b 00000 00 25 2 5 m h 25 2 5 m h 2 5 0 m a m b 00000 00 26 1 m h 26 1 m h 4 2 5 m a m b 00000 00 27 0 5 m h 27 0 5 m h 10 1 0 m a m b 00000 00 40 500 m h 40 500...

Page 14: ...s MULTICAL 41 Figur 2 Mechanical dimensions of the electronic unit Figur 3 Flow sensor with G and G1 thread connection Thread L M H2 A B1 B2 H1 Approx weight kg G Q3 1 6 165 L 2 92 5 20 5 42 28 47 5 1...

Page 15: ...he pressure loss in a meter increases by the square of the flow and can be stated as p kv Q where Q volume flow rate m h kv volume flow rate at a pressure loss of 1 bar m h p pressure loss bar Q3 Nom...

Page 16: ...ed according to OIML R 49 type test class E1 and the low voltage directive Control cables from the meter must be drawn at a minimum distance of 25 cm from other installations Electrical installations...

Page 17: ...tallation angle for MULTICAL 41 Figur 4 Figur 5 Figur 6 MULTICAL 41 can be installed horizontally vertically or at an angle Important MULTICAL 41 can be turned upwards to max 45 and downwards to max 9...

Page 18: ...TECHNICAL DESCRIPTION MULTICAL 41 5512 313 GB 01 2010 Rev C1 18 6 3 Straight inlet MULTICAL 41 DN15 G and DN20 G1 No requirements 6 4 Installation example Figur 7 Wall mounting of MULTICAL 41...

Page 19: ...tegration sequence of 4 sec Through this sequence the water flow is measured at intervals of averagely 1 sec At the end of the sequence the volume calculations are made All display values are updated...

Page 20: ...elected for the meter see section 3 3 1 Configuration of the display The display in MULTICAL 41 includes both a main menu and a submenu The main menu includes accumulated volume flow readings hour cou...

Page 21: ...EPROM together with the date and volume registers at the time of the error The meter s actual info code appears as the last display reading in the main menu i e when the front key has been activated 4...

Page 22: ...r always starts up with hourly data from the EEPROM When the Power On Reset function is combined with an activation of the front key or the internal verification button the following reset functions a...

Page 23: ...ere are two main principles within ultrasonic flow metering the transit time method and the Doppler method The Doppler method is based on the frequency shifting which is generated when sound is reflec...

Page 24: ...connection with ultrasonic flow sensors the velocities 1 V and 2 V can be stated as F C V 1 and F C V 2 respectively where C is the velocity of sound in water By using above formula following is obtai...

Page 25: ...ting pressure bar 1 6 1 5 2 2 5 Tabel 6 The purpose of recommended operating pressure is to avoid measuring errors as a result of cavitation or air in the water It is not necessarily cavitation in the...

Page 26: ...ry The battery is placed in the upper part of the base unit and is easily replaced simply by using a screwdriver The battery lifetime depends on the temperature to which the battery is exposed and if...

Page 27: ...ection but includes no galvanic separation between input and output voltages The module is especially suited for installation together with a galvanically separated transformer e g type 66 99 403 that...

Page 28: ...PTION MULTICAL 41 5512 313 GB 01 2010 Rev C1 28 9 5 Mains supply cables MULTICAL 41 is available with mains supply cables for either 24 V or 230 V l 1 5 m Figur 16 Supply cable type 5000 286 2 x 0 75...

Page 29: ...be used for external data plug designed for use with the hand held terminal MULTITERM or as a semi permanent PC connection The data connection is galvanically isolated by opto couplers and therefore...

Page 30: ...odule is used for remote reading of MULTICAL 41 via an M Bus network To make an M Bus system work each M Bus Slave must have a unique address The M Bus address is automatically generated from the mete...

Page 31: ...he requirements of the EN 300 220 and EN 301 489 standards as well as in the R TTE directive Radio Tele Terminal Equipment For further information see Technical Description 5512 012 The radio module a...

Page 32: ...MULTICAL 41 5512 313 GB 01 2010 Rev C1 32 10 4 Radio 66 0M Radio module with connection plug for external antenna to increase the range Remaining functions are identical with the ones described earlie...

Page 33: ...programming software please refer to documentation for MULTITERM Pro Functioning When the connected reading unit MULTITERM or the PC sends a recognizable request string MULTICAL 41 replies with a dat...

Page 34: ...lank Blank Flow Peak flow actual Info 7 ascii 7 ascii 7 ascii 7 ascii 7 ascii 7 ascii 7 ascii 7 ascii 7 ascii 7 ascii Req STANDARD DATA 2 2 Customer no Blank Blank Blank Blank In A In B ABCCC DDEFFGG...

Page 35: ...mscomm1 InBufferCount 0 mscomm1 Output 1 Do While mscomm1 OutBufferCount 0 Handle Windows Events Loop Delay for 300 ms mscomm1 Settings 1200 E 7 2 mscomm1 InBufferCount 0 mscomm1 InputLen 1 strData W...

Page 36: ...s has no influence on the total lifetime of the battery Figure 27 Module and test plug Nos 1 8 are sealed with a verification seal Flow verification Flow measurement operates with absolute time measur...

Page 37: ...the internal button and the test plug modules or seals if any over the test plug must be removed Resetting test counter Q This extra counter is reset by briefly pressing the internal button marked P o...

Page 38: ...Interface type 66 99 109 can be used during verification on the test rigs with pulse interface The pulse output on the terminals 6 7 8 cannot be used for testing MULTICAL 41 Figure 28 Supply 3 5 30 V...

Page 39: ...E and DELTA For further information on type approvals and verification please contact Kamstrup A S 22 36 006 TS OIML R49 2004 13 2 CE Marking MULTICAL 41 is CE marked in accordance with following dire...

Page 40: ...TECHNICAL DESCRIPTION MULTICAL 41 5512 313 GB 01 2010 Rev C1 40...

Page 41: ...nd in the meter for repair we ask you kindly to go through below error detection table to help clarify the possible cause of the problem Symptom Possible cause Suggested corrections No display functio...

Page 42: ...estruction Do not expose the batteries to mechanical impact and the lead in wires must not be short circuited during transport Subject Material Recommended destruction Lithium cells in MULTICAL 41 Lit...

Page 43: ...1 5512 313 GB 01 2010 Rev C1 43 16 Documents Danish English German Technical Description 5512 278 5512 313 Data sheet 5810 474 5810 487 5810 481 Installation guide 5512 277 5512 307 5512 309 User s ma...

Page 44: ...TECHNICAL DESCRIPTION MULTICAL 41 5512 313 GB 01 2010 Rev C1 44...

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