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MEATEST

Electromagnetic flowmeter M921

Operation manual

7.6

Type plate

Compact version

The type plate is located on the sensor. The following information is on the plate:

Type

Manufacturer

DN – nominal diameter

(15

…

800

mm)

PN – nominal pressure

(10 … 40 x100kPa)

Serial
number

Power supply version

Protection

Flowrate range

Flow direction

Production Year

M921-V0000

DN / PN: 100 / 16

S.n.:

310541

Zelezna 509/3

Year:

2018

619 00 Brno

0..80 m

www.meatest.com

IP 66

85-264 V AC (47-65 Hz)

Содержание M921

Страница 1: ...M921 Electromagnetic flowmeter User s manual ...

Страница 2: ...nt 15 3 4 3 Electric connection between converter and sensor Remote version 16 4 Flowmeter configuration 17 4 1 Main menu 17 4 1 1 Overview 17 4 1 2 Datalogger 17 4 1 3 Status 17 4 1 4 Flow 17 4 1 5 Volume 17 4 2 Setup menu 18 4 2 1 General 18 4 2 2 Measurements 19 4 2 3 Input output interface 20 4 2 4 Calibration 21 4 3 Nominal values standard factory setting 22 4 3 1 General 22 4 3 2 Measurement...

Страница 3: ...3 What to do in case of failure 56 6 4 Error messages 57 7 Application information 58 7 1 Specifications 58 7 2 Weight and dimensions 59 7 2 1 Electronic unit 59 7 2 2 Electronic unit remote version 60 7 2 3 Sensor 62 7 3 Used materials 63 7 4 Used pluggable terminal block connectors 63 7 5 Flowrate versus diameter 64 7 6 Type plate 65 7 7 Terminology 67 7 8 Measuring principle 68 8 Ordering infor...

Страница 4: ... setup 21 Table 7 User calibration 21 Table 8 Nominal values general 22 Table 9 Nominal values measurements 23 Table 10 Nominal values inputs outputs 23 Table 11 Error mask 29 Table 12 USB RS232 properties 32 Table 13 RS232 error codes 32 Table 14 State output error mask 41 Table 15 Errors 57 Table 16 Dimensions and weights DIN flanges 62 Table 17 Used materials 63 Table 18 Connector types 63 Tabl...

Страница 5: ...assive frequency output impulse output status output with relay RS485 and USB RS232 output User can configure these outputs Inputs Flowmeter M921 has one programmable digital input PLC Power supply Basic power supply version is 85 to 264 V AC 12 24 and 48 DC power supply versions are also available as an option 1 2 Warranty Within the manufacturers general supply conditions all material and manufa...

Страница 6: ...uch as display keyboard input output connectors are easily accessible Please observe and allocate enough room for opening flowmeter hinged lid Horizontal standard mounting The sensor tube must always remain full The best way to achieve this is to locate the sensor in a low section of pipe see the following picture It is recommended to install the sensor in a section of straight pipe with at least ...

Страница 7: ...surement the slope of reducers should not exceed 8 Vertical mounting When the sensor is mounted on a vertical section of pipe the flow direction must be upwards In the case of a downward flow direction air bubbles could collect in the sensor resulting in unstable and inaccurate measurement Pumps Never install the sensor on the suction side of a pump or on a section of pipe where a vacuum is possib...

Страница 8: ...s downstream of a sensor Removal during maintenance If the application requires removal of the sensor for periodic maintenance it is recommended to install a bypass section as the following drawing Position of electrodes The axis of measuring electrodes must be approximately horizontal see picture YES NO ...

Страница 9: ...rsion with a separate electronic unit should be used 2 2 Sensor grounding Proper grounding is critical for correct flow meter operation The sensor is equipped with screw connection for a grounding wire This screw has to be connected to both pipeline flanges Use Copper wire to connect between the flange and the grounding screw on the sensor If the pipeline is made of an electrically nonconductive m...

Страница 10: ...ncludes the following items Flanged sensor Electronic Transmitter integral or remote Spare fuse Operating manual Calibration certificate Software FlowAssistant USB A B cable The flowmeter is delivered ready for use after connecting to the power supply Please check that it has been correctly installed according to chapter Mechanical before turning power on Only a power supply with the appropriate v...

Страница 11: ...enus can be navigated with four arrow keys user can confirm or cancel configuration with Enter and Escape keys Hinged lid Lid can be opened by first pulling hinge retainer to the direction outside of the case then pulling lid in the front to open it Lid is mounted to open from left to right opposite direction is available as option Hinge assembly can be also reassembled by qualified user later if ...

Страница 12: ... pluggable terminal blocks Frequency impulse and status outputs are galvanically connected to each other sharing common ground COM and galvanically isolated from other electronic circuits of flowmeter For more information and configuration of input and outputs please refer to chapter Inputs and outputs configuration USB connector Flowmeter configuration can be changed by remote commands For more i...

Страница 13: ...the bottom right corner of the bottom PCB Please observe connector polarity 5 Secure pluggable connector flanges tightening screws 6 Close flowmeter case 7 Switch on the power supply Caution Only a competent person may connect the flowmeter to the mains power supply Protective earth conductor PE must be longer than neutral N and phase L conductors after mounting mains supply voltage wires into plu...

Страница 14: ...Electromagnetic Flowmeter M921 MEATEST 14 Operation manual ...

Страница 15: ...rt of the fuse holder by a hand turning top part to the left Remove the fuse Replace it with new fuse with the same voltage and current rating Fuse parameters can be seen in Table 1 4 Close flowmeter case 5 Switch on the power supply Flowmeter is delivered in four power supply versions with different fuses Nominal range Range Version Fuse 230 115V AC 50 60Hz 85 V to 264 V AC 47 65 Hz M921 Vxx0x 31...

Страница 16: ...itter or sensor 1 Switch off power supply 2 Dismount top cover of connection box Four screws must be removed 3 Connect 5 wires to the connector 4 Fill the box with connected wires with reenterable insulating and sealing compound to archieve ingress protection corresponding to IP65 transmitter and IP68 sensor One piece of compound is standard part of delivery 5 Mount the cover back 6 Switch on powe...

Страница 17: ...ion bar can be seen to note user of actual screen 4 1 1 Overview This screen is displayed as first after device start as default Actual flow total volume and auxiliary volume is displayed on this screen Bottom item auxiliary volume as default can be changed to display other types of volume in Setup menu General Display 4 1 2 Datalogger This screen displays and provides access to Datalogger functio...

Страница 18: ...ns and pipe diameter can be displayed on screen Language User can switch flow meter language in this menu Display Backlight Display backlight can be set on or off in this menu Contrast Configuration of display contrast Startup screen User can specify which screen of main menu should be displayed after flowmeter startup Aux item User can choose from various types of measured flow to display as bott...

Страница 19: ...tion enables user to set limit for suppressing low flowrates Available range is according to the nominal diameter Note All flowrates below this value will be displayed as 0 This setting is valid for display and all outputs Moving average Function enables user to change sampling time in seconds for moving average calculation Available range is between 1 and 20 seconds Note Response time of flow met...

Страница 20: ...egative flow Absolute flow Bipolar flow and Fixed Fixed current Item allows setting current amplitude in the current mode f Fixed The range is from 4 mA to 20 mA Qi 20mA Item allows setting the Qi constant Qi represents a flowrate for a current of 20 mA and can be set independently to the nominal diameter of the sensor Loop test Item allows enable disable the current loop test The flowmeter will d...

Страница 21: ...libration password has been entered Default factory set Calibration password is 10000 Setup menu Calibration Level 1 Description Set zero flow Recalibrates flowmeters zero point Before starting recalibration measuring tube must be completely filled and flowrate must be 0 Relative difference Recalibrates flowmeters slope relative Slope can be selected from 15 to 15 Actual flow Actual measured flow ...

Страница 22: ...Display Contrast Medium Display Startup Overview Display Aux item Aux Volume Date time Time Actual time Date time Date Actual date Date time Format M D Y Basic password 00000 Calibration password 10000 Table 8 Nominal values general 4 3 2 Measurements Flow Unit m3 h Resolution default User constant 1 0 Direction Positive LF cutoff flowrate Q 1 2 MA samples 4 s Empty pipe detect On Volume Unit m3 R...

Страница 23: ...mA flowrate Qn nominal flowrate Loop test Off Error current 3 75 mA Frequency output Mode Off Fixed frequency 1000 Hz Qf 1kHz flowrate Qn nominal flowrate Pulse output Mode Off Pulse width 100 ms Qp 1 pulse flowrate Qn nominal flowrate Status output Mode Off Error mask All errors 255 Digital input Mode Off Limits Limit PF1 flowrate Qn nominal flowrate Limit PF2 flowrate Qn nominal flowrate Hystere...

Страница 24: ...owrate direction 4 mA is generated d Absolute Flow current 4 16 abs Flowrate Qi mA is generated for both flowrate directions e Bipolar Flow current 12 8 Flowrate Qi mA is generated for both flowrate directions f Fixed current output is adjusted to fixed value 4 000 20 000 mA 5 1 1 2 Fixed current Item allows setting current amplitude in the current mode f Fixed The range is from 4 mA to 20 mA Fixe...

Страница 25: ...ve flowrate direction d Absolute Flow frequency 1000 abs Flowrate Qf Hz is generated for both flowrate directions e On Positive output is HI in case of negative flow and LO in case of positive flow f On Negative output is HI in case of positive flow and LO in case of negative flow g On In output is LO when flowrate is higher than PF1 and lower than PF2 otherwise it is HI h On Out output is HI when...

Страница 26: ...output is on terminal PLS negative output is on terminal COM Width of the impulse can be set Maximum frequency of impulse output is limited by the impulse width For the shortest impulse 2 5 ms there is maximal frequency of 200 Hz Note 1 Frequency impulse and status outputs are galvanically connected to each other and galvanically isolated from other electronic circuits Note 2 Active pulse output u...

Страница 27: ...e field on one side of flow limits PF1 and PF2 The output status changes indicates crossing over pre set limit when the immediate flowrate crosses over the value PF2 or goes below limit PF1 The output status comes back to the default status when the immediate flowrate decreases under the value PF2 H or increases over limit PF1 H again Mode g with non zero hysteresis Mode h with non zero hysteresis...

Страница 28: ...ase of positive flow and LO in case of negative flow d On In output is LO when flowrate is higher than PF1 and lower than PF2 otherwise it is HI e On Out output is HI when flowrate is higher than PF1 and lower than PF2 otherwise it is LO f Dose On output is LO when programmed dose is being measured and HI when the dose is out g Dose Off output is HI when programmed dose is being measured and LO wh...

Страница 29: ...e connected between terminals IN1 and IN2 Note PLC digital input is galvanically isolated from other electronic circuits 5 1 5 1 Mode Digital input can be programmed in one of the following modes a Off input activation does nothing b Start dose input activation starts dose volume measuring Dosing indication can be performed by one of outputs frequency impulse or status c Clear aux volume input act...

Страница 30: ...ured liquid For this function digital input start of dosing and one of digital outputs end of dosing are required 5 1 7 1 Volume Function enables user to set volume for dosing 5 1 7 2 Actual Function displays actual state of measured dose 5 1 7 3 Stop dosing Function enables user to stop dosing in progress Example setting 1 Digital input mode Start Dose State output mode Dose On Dosing volume 1m3 ...

Страница 31: ...ctory setting of RS485 address is 0 Communication speed is selectable between 4800 and 115200 Bd For cables over 100m or a noisy power supply voltage especially peaks generated usually by motors etc select communication speed below 9600 Bd Note 2 Serial port RS485 is galvanically isolated from all the other electronic circuits 5 1 8 1 RS485 bus properties RS485 interface can work in three modes a ...

Страница 32: ...w Error code Meaning 1 Unknown command 2 Parameter out of range 3 Value cannot be set 4 Value cannot be read 5 Unknown parameter 6 Parameter too low 7 Parameter to high 8 Number as parameter is required 9 Access denied use appropriate password 10 Wrong value of calibration point 11 Password locked six unsuccessful attempts to enter password Setup menu is blocked for 20 minutes Table 13 RS232 error...

Страница 33: ...2 Command list 5 2 2 1 Main menu Flowrate reading RFL Response contains actual Flowrate value in selected units Example If query RFL cr is sent flowmeter returns response in format 100 000 cr Volume reading RVO Response contains actual Volume counter value in selected units Example If query RVO cr is sent flowmeter returns response in format 100 000 cr Positive volume reading RVP Response contains...

Страница 34: ...ated since last reset command CLRMM Minimum flowrate value reading RMN Response contains minimum Flowrate value Example If query RMN cr is sent flowmeter returns response in format 0 000 minimum flowrate value indicated since last reset command CLRMM Flow unit resolution FFR CPD 0 1 2 3 4 5 Following modes can be set 0 none 0 1 1 decimal 2 2 decimals 3 3 decimals 4 4 decimals 5 default M921 confir...

Страница 35: ...se in format 1 cr Actual dosing volume reading RDO Response contains actual dosing volume value Example If query RDO cr is sent flowmeter returns response in format 100 000 cr Dosing state reading RDA Response contains dosing state Response is 0 dosing is not in progress inactive 1 dosing is in progress active Example If query RDA cr is sent flowmeter returns response in format 0 cr in case dosing...

Страница 36: ...4 Empty pipe D3 8 Temperature out D4 16 Frequency over D5 32 Flowrate over D6 64 Current open D7 128 Datalogger full Example Response 0 cr indicates that there was no error Response 8 cr indicates that temperature of current excitation coils was is out of programmed limits Value 6 cr 4 2 indicates that excitation circuit is open and there is no liquid in the pipe empty pipe Flowmeter s state readi...

Страница 37: ...tual units M921 confirms execution with string Ok cr In case of query M921 returns set value in actual units Example Command SCO10 5 cr sets value Qi to 10 5 in actual units After query SCO cr flowmeter returns string 10 500000 cr Fixed current setting SFC DNPD Command sets fixed current in range between 4 mA and 20 mA Current output must be set to Fixed mode DNPD It represents current for Current...

Страница 38: ...s can be set 0 Off 1 Positive Flow 2 Negative Flow 3 Absolute Flow 4 On Positive 5 On Negative 6 On In 7 On Out 8 Dose On 9 Dose Off 10 On F2 11 On F2 12 Fixed M921 confirms execution with string Ok cr Example Command SFM1 cr sets mode Positive flow for frequency output If query SFM cr is sent flowmeter returns response in format 1 cr Frequency output constant Qf setting SFO DNPD Command sets cons...

Страница 39: ...ing SPM CPD 0 1 2 3 4 5 6 7 8 9 10 11 Following modes can be set 0 Off 1 Positive Flow 2 Negative Flow 3 Absolute Flow 4 On Positive 5 On Negative 6 On In 7 On Out 8 Dose On 9 Dose Off 10 On F1 11 On F1 M921 confirms execution with string Ok cr Example RS232 Command SPM1 cr sets mode Positive flowrate for impulse output If query SPM cr is sent flowmeter returns response in format 1 cr Impulse outp...

Страница 40: ...ms pulse width If query SPT cr is sent flowmeter returns response in format 5 cr 5 2 2 3 4State output State output mode setting SSM CPD 0 1 2 3 4 5 6 7 8 9 10 Following modes can be set 0 Off 1 On Positive 2 On Negative 3 On In 4 On Out 5 Dose On 6 Dose Off 7 On F1 8 On F1 9 Error On 10 Error Off M921 confirms execution with string Ok cr Example Command SSM1 cr sets mode On for positive flowrate ...

Страница 41: ...ble 14 State output error mask Note Error Mask should be set to value 255 to report all error messages This is sum of all error s bit value Error Mask 64 means that only the Current open error will be reported via the State Output If query SEM cr is sent flowmeter returns response in format 64 cr The State Output should be set to the mode Error On or mode Error Off see command SSM 5 2 2 3 5Digital...

Страница 42: ...returns set value in actual unit Example Command SF210 5 cr sets low limit value to 10 5 After query SF2 cr flowmeter returns string 10 500000 cr Hysteresis SHY DNPD Command sets hysteresis H DNPD It represents flowrate for hysteresis H in actual unit M921 confirms execution with string Ok cr In case of query M921 returns set value in actual unit Example Command SHY1 05 cr sets hysteresis to 1 05 ...

Страница 43: ...32 USB Modbus RS485 address PRA CPD Command sets RS485 address from 0 to 255 CPD M921 confirms execution with string Ok cr In case of query M921 returns current address Example Command PRA255 cr sets RS485 address to 255 After query PRA cr flowmeter returns 255 cr Modbus address PMA CPD Command sets Modbus address from 1 to 247 CPD M921 confirms execution with string Ok cr In case of query M921 re...

Страница 44: ...r returns response in format 4 cr 5 2 2 4 Flowrate parameters Flowrate unit FFS CPD 0 1 2 3 4 Following units can be set 0 l s 1 m3 h 2 UG m 3 IG m 4 user M921 confirms execution with string Ok cr Example Command FFS0 cr sets flowrate unit l s If query FFS cr is sent flowmeter returns response in format 0 cr Flowrate user unit FFU CPD Command sets text for flowrate user unit CPD It represents user...

Страница 45: ...3 6 After query FFC cr flowmeter returns 3 600000 cr Flowrate direction FFD CPD 0 1 Following directions can be set 0 Positive 1 Negative M921 confirms direction with string Ok cr Example Command FFD0 cr sets Positive direction If query FFD cr is sent flowmeter returns response in format 0 cr Low flow cutoff FLF DNPD Command sets flowrate limit for suppression low flowrates DNPD It represents flow...

Страница 46: ...e values M921 confirms execution with string Ok cr Example Command CLRMM cr resets both min max values Nominal flowrate reading RQN Response contains actual flowmeters Nominal flowrate QN Example If query RQN cr is sent flowmeter returns response in format 80 000 cr for nominal flowrate 80 m3 h Empty pipe detection FEP CPD 0 1 Empty pipe detection can be enabled 1 or disabled 0 0 Disable 1 Enable ...

Страница 47: ...olume user unit dm3 After query FVU cr flowmeter returns string dm3 cr Conversion constant for volume user unit FVC DNPD Command sets conversion constant for volume user unit with respect to l DNPD It represents a constant which is calculated as a ratio between volume in user unit and volume in basic unit l For example constant for m3 is 0 001 M921 confirms execution with string Ok cr In case of q...

Страница 48: ...ing rate is 15 minutes 4 Datalogger sampling rate is 30 minutes 5 Datalogger sampling rate is 45 minutes 6 Datalogger sampling rate is 60 minutes 7 Datalogger sampling rate is 120 minutes 8 Datalogger sampling rate is 180 minutes 9 Datalogger sampling rate is 240 minutes M921 confirms datalogger step with string Ok cr Example RS232 Command DST0 cr switches datalogger Off If query DST cr is sent fl...

Страница 49: ...760 l s No Record Datalogger reading hex format DRD Response contains all values stored in internal datalogger Example If query DRD cr is sent flowmeter returns response in intel hex format Datalogger clear DCLR Command clears all data stored in internal datalogger M921 confirms execution with string Ok cr Example Command DCLR cr clears all data in datalogger 5 2 2 7 Calibration Number of calibrat...

Страница 50: ...ion constant M921 confirms completion with string Ok cr In case of a query the M921 returns the set value Example Command CY110 5 cr sets value CY1 to 10 5 After query CY1 cr flowmeter returns string 10 500000 cr Calibration constants for calibration points 2 3 and 4 CY2 CY3 CY4 For explanation see command CY1 5 2 2 8 General 5 2 2 8 1Display parameters Contrast setting FDC DNPD 0 1 2 3 4 User can...

Страница 51: ...uery M921 returns real time Example Command FTM14 25 00 cr sets new time 2 25 00 pm After query FTM cr flowmeter returns 14 25 00 cr Date setting FDT CPD DD MM YYYY Command sets new date for internal Real Time Clock CPD It represents new date in format DD MM YYYY Any value in range between 01 01 2000 and 31 12 2099 can be set M921 confirms execution with string Ok cr In case of query M921 returns ...

Страница 52: ... Command sets low temperature limit in range 20 to 150 C DNPD Presents low temperature limit M921 confirms completion with string Ok cr In case of a query the M921 returns the temperature value Example Command FTL 20 cr sets the low temperature limit to 20 C If query FTL cr is sent flowmeter returns response in format 20 cr Maximum allowed coil temperature setting FTH DNPD Command sets high temper...

Страница 53: ...ample Command PSW12345 cr enters password 12345 Actual access level PAL CPD 0 1 2 3 Command can set the access level to 0 Query returns the actual access level Available levels 0 Without access 1 Basic access level 2 Calibration access level 3 Service access level Example If query PAL cr is sent flowmeter returns response in format 2 cr for Calibration access level Command PAL0 cr sets the flowmet...

Страница 54: ...sponse in format M921 Vxxxx cr Nominal diameter reading RDN Response contains actual flowmeter s Nominal diameter DN Example If query RDN cr is sent flowmeter returns response in format 50 cr for nominal diameter 50mm Power supply type PPW CPD 0 1 2 3 Command sets the power supply type frequency of excitation current 0 AC 1 12VDC 2 24VDC 3 48VDC M921 confirms completion with string Ok cr Example C...

Страница 55: ...ed value is informative Example If query IU4 cr is sent flowmeter returns response in format 10 12 cr for voltage 10 12 V 2 5V power supply IU5 Response contains measured value of 2 5V internal power supply Accuracy is not guaranteed value is informative Example If query IU5 cr is sent flowmeter returns response in format 2 55 cr for voltage 2 55 V Coils current IU6 Response contains measured valu...

Страница 56: ...ve coating like oil film from the liner A very dirty liner could cause inaccuracy of the measurement Check mechanical state of the liner 6 3 What to do in case of failure If an obvious failure occurs during the operation e g the display is not lit the flowmeter must be switched off immediately First check the fuse located under the electronic board cover Turn off the power to the flowmeter Remove ...

Страница 57: ...istance of excitation coils is higher than 250 Ohm Resistance of excitation coils is too high open circuit Check sensor connection Empty pipe No liquid in pipe Fill the pipe with liquid In case there is liquid in the pipe clean electrodes and check connection cables between sensor and electronic Temperature out Temperature of excitation coils is out of limits Temperature of excitation coils measur...

Страница 58: ...cording to DIN2501 EN1092 BS 4504 ANSI B16 5 JIS B2220 Sanitary DIN11851 flangeless wafer style Protection category Compact version IP65 Remote version sensor IP68 converter IP65 Outputs Frequency 0 to 12 kHz with programmable flowrate and function Pulse 0 to 200 Hz with programmable volume function and pulse width Status relay output 110V 1A 30W with programmable function Current loop 4 to 20 mA ...

Страница 59: ... 59 7 2 Weight and dimensions Flowmeter weight and dimensions depend mostly on the version remote or compact and diameter of the pipe 7 2 1Electronic unit The pictures below show dimensions of the electronic unit Dimensions are in millimeters Weight 1 8 kg ...

Страница 60: ... manual 7 2 2Electronic unit remote version Basic Electronic unit has standard four holes for installing the wall mounting Options extra ordered 921 10 wall brackets BA WL 7035 Scope of delivery 2 wall brackets and 4 screws Dimensions are in millimeters ...

Страница 61: ...11 rail DIN EN 60715 TH 15 TS 15 Scope of delivery 1 DIN rail galvanised steel Options extra ordered 921 12 rail DIN EN 60715 G 32 TS 32 Scope of delivery 1 DIN rail galvanised steel Options extra ordered 921 13 rail DIN EN 60715 TH 35 TS 35 Scope of delivery 1 DIN rail galvanised steel ...

Страница 62: ...6 5 standard DN mm PN bar D mm A mm L mm Weight kg 15 16 95 145 200 3 20 16 105 150 200 3 5 25 16 115 155 200 4 32 16 140 165 200 5 40 16 150 175 200 5 50 16 165 185 200 7 65 16 185 200 200 8 5 80 16 200 215 200 10 100 16 220 235 250 13 125 16 250 265 250 17 150 16 285 295 300 22 200 16 340 355 350 31 250 10 395 435 450 44 300 10 445 485 500 57 350 10 505 535 550 72 400 10 565 580 600 95 500 10 67...

Страница 63: ... Sanitary DIN11851 flangeless wafer style Table 17 Used materials 7 4 Used pluggable terminal block connectors Specification of used connectors are listed in following table in case of needing replacement of connectors or their pluggable counterparts Placement Number of pins Pitch mm Manufacturer PCB header type or number Pluggable terminal counterpart type or number Electrodes and coils 5 5 08 PT...

Страница 64: ...6 33 2 41 5 1 2 6 0 35 0 59 7 119 5 149 3 80 0 15 2 5 14 0 25 1 50 3 62 8 1 8 9 0 50 0 90 5 181 0 226 2 100 0 24 3 9 20 0 39 3 78 5 98 2 3 14 80 141 283 353 125 0 4 6 30 0 61 123 153 4 22 150 221 442 552 150 0 5 9 50 0 88 177 221 6 32 200 318 636 795 200 0 9 16 100 157 314 393 11 57 300 565 1131 1414 250 1 5 25 150 245 491 614 18 88 500 884 1767 2209 300 2 1 35 200 353 707 884 25 127 800 1272 2545...

Страница 65: ...ollowing information is on the plate Type Manufacturer DN nominal diameter 15 800 mm PN nominal pressure 10 40 x100kPa Serial number Power supply version Protection Flowrate range Flow direction Production Year M921 V0000 DN PN 100 16 S n 310541 Zelezna 509 3 Year 2018 619 00 Brno Q 0 80 m3 h www meatest com IP 66 85 264 V AC 47 65 Hz ...

Страница 66: ...nominal pressure 10 40 x100kPa Serial number Protection Flowrate range Flow direction Production Year M921 V0001 DN PN 100 16 S n 310541 Zelezna 509 3 Year 2018 619 00 Brno Q 0 80 m3 h www meatest com IP 66 Type Manufacturer Serial number Power supply version Protection Production Year M921 V0001 S n 310541 Zelezna 509 3 Year 2018 619 00 Brno www meatest com IP 66 85 264 V AC 47 65 Hz ...

Страница 67: ...sured depends on diameter see table 2 M921 flowrates Abbreviations Qi current output constant It represents flowrate for current 20 mA Qf frequency output constant It represents flowrate for frequency 1000 Hz Qp impulse output constant It represents volume for 1 impulse Qd constant for dosing It represents volume for 1 dose PF1 flowrate limit constant It represents low limit flowrate Crossing this...

Страница 68: ...ction or protruding parts Since the magnetic field passes through the entire flow area the signal represents a mean value over the pipe cross section therefore only relatively short straight inlet pipes x DN from the electrode axis are required upstream of the primary head Only the tube liner and the electrodes are in contact with the fluid Already the original signal produced is an electrical vol...

Страница 69: ...mpact version M921 Vxxx1 remote version Table 20 Options 8 2 Extra ordered options Option 921 10 wall brackets Option 921 11 rail DIN EN 60715 TH 15 Option 921 12 rail DIN EN 60715 G 32 Option 921 13 rail DIN EN 60715 TH 35 8 3 Example of order M921 V0000 DN50 PN16 Liner hard rubber Electrodes CrNi steel Power supply 85 V to 264 V AC 47 65 Hz Construction compact version Nominal diameter 50 mm Nom...

Страница 70: ...ectromagnetic Flowmeter M921 MEATEST 70 Operation manual Manufacturer MEATEST spol s r o tel 420 543 250 886 Železná 509 3 619 00 Brno fax 420 543 250 890 Czech Republic meatest meatest cz www meatest com ...

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