INSTALLATION AND OPERATION MANUAL
Contents
1. eese esee sees 17 Ue PUISE MOdENER TO Pr 17 11 2 Pulse transmitter model ILR 740 20 11 3 Pulse transmitter model ILR 741 21 TT PUSS TAS alli um dedii vetuit esteri nd 22 AZ ROD AIP PAWNS f M 23 13 Return of goods for repair Harmlessness declaration 24 33 OG IOG BA 02 1412 Basic safety recommendations Page 1 24 1 Basic safety recommendations Before installing or using this product please read this instruction manual thoroughly Only qualified personnel should install and or repair this product If a fault appears contact your distributor Before the first installation Please flush the meter with fresh water or the medium to measure before the first A installation Installation Do not place any unit on an unstable surface that may allow it to fall Never place the units above a radiator or heating unit Route all cabling away from potential hazards Isolate from the mains before removing any covers Power connection Use only the type of power source suitable for electronic equipment If in doubt contact your distributor Ensure that any power cables are of a sufficiently high current rating All units must be earthed to eliminate risk of electric shock Failure to properly earth a unit may cause damage to that unit or data stored within it Protection class The device has protection class IP 67 and needs to2. Figure 4 Low battery indicator 8 6 Checksum To display the firmware checksum press and hold the RESET button for three seconds To return to normal display release the RESET button 8 7 Display scale factor To display the scale factor At the same time press and hold the TOTAL and RESET buttons for two seconds to display the programmed scale factor To return to the normal display release both buttons 33 OG IOG BA 02 1412 Register programming Page 11 24 9 Register programming In programming mode only pressing and releasing the TOTAL button advances to the next parameter on the current screen Pressing and releasing the RESET button changes the current flashing selection to another selection such as L to GAL To enter the programming mode press the TOTAL button three times and then press the RESET button three times the time lag between pressing both buttons six times must be within two seconds Changing the unit of measure and scale factor for models ILR 700 710 720 and 730 9 1 Unit of measure Figure 5 Unit of measure amp scale factor programming Press and release the RESET button to change the unit of measure L GAL QT PT Press and release the TOTAL button to select desired the unit of measure the selected unit of measure will flash When the appropriate unit of measure is selected press the TOTAL button to advance to the scale factor programming
3. Badger Meter Europa GmbH Industrial oval gear meter series IOG and registers type ILR 700 ILR 710 ILR 720 ILR 730 ILR 740 ILR 741 INSTALLATION AND OPERATION MANUAL December 2014 OG IOG BA 02 14 Contents Page 1 Basic safety recommendations nnennnnrnnnnnnnnnnnnnnnnnnnnnennnnennnnnnnnennnnennnnnnnnnnnnennnnnnnnennnvennnr 1 2 SCOPE OP TIS NINI emet Le ete ne na el 3 3 Product unpacking and inspection n ranvnnnvnnnvnnnvnnnvnnunnnunnnvnnnunnnvnnnunnnvnnnvnnnennnennnvnnnvnnner 3 4 POQUCLIQeNUTICAUON en a E 3 5 cgariciriie mee 5 6 Recommended filler SIZGS oi eoeod cioe ierat io seche oen d ota era nenas cuan a cnn R cina P ina aepo CoD EN E EPOR US 5 EN Meter OPE AN e 6 0 Register operatio M os ian 9 Oil Noa OPE ON aserre peni m 9 oi SN NNN 9 0 FO UME aaa edi 9 dA FOM avse 10 0 9 BEN lella een ic ts este ns ewes 10 OG MOCK SUM erre 10 Of Display Scale ACI OM eee 10 9 R gislier PONNI sr 11 Suc UTNE 11 92 NN 11 9 3 Changing the meter pulse rate 12 9 4 Changing the register orientation nene 12 9 5 Changing the display mode 13 96 Exiting Programming MOG6O 22m eee 13 10 Additional programming Industrial analog and industrial pulse 14 TO PUSS el Ms 14 10 2 Analog minimum flow rate iii 16 103 Analog maximum flow MALE nu tithe een aient ain 16 11 Register output specifications amp wiring
4. 26 5 30 3 34 1 37 8 Flow rate gal min I h OG lOG BA 02 1412 Meter operation Pressure drop Page 7 24 oo hu Pressure drop vs flow rate 3 4 and 1 meters o 00 900c 7 ui Te Pressure drop PSI Nos af Pressure drop bar T 1 cP 0 0 10 12 14 16 18 20 7 6 15 1 22 7 30 3 37 8 45 4 53 0 60 6 68 1 75 7 Flow rate gal min l min Pressure drop vs flow rate 1 HF meters oo Un 900 cP 7 400 cP un e Un a co un e Lu un A a O x 45 en bn ut ut U Pressure drop bar hd un 10 15 37 8 56 8 75 7 94 6 113 6 132 5 151 4 Flow rate gal min l min Pressure drop vs flowrate 1 1 2 meters r fe a D e co hu M Pressure drop PSI un I Pressure drop b 10 15 0 25 30 35 40 45 S0 55 60 18 9 37 8 568 757 94 6 113 6 132 5 151 4 170 3 189 3 208 2 227 1 Flow rate gal min l min OG lOG BA 02 1412 Meter operation Pressure drop Page 8 24 Pressure drop vs flow rate 2 meters Pressure drop PSI Pressure drop bar 37 8 75 7 113 6 151 4 189 3 227 1 265 0 302 8 Flow rate gal min l min Pressure drop PSI Pressure drop bar i iep 0 0 120 140 160 180 75 7 1514 227 1 3028 378 5 4543 530 0
5. OG_10G_ BA 02 1412 Articel n 1 HF 66885 026 66885 027 66885 035 66885 034 66885 001 66885 002 66885 003 66885 004 66885 012 66299 001 1 1 2 66885 028 66885 029 6685 037 66885 036 66885 001 66885 002 66885 003 66885 004 66885 012 66299 001 Page 23 24 D de 66885 66885 030 032 66885 66885 031 033 66885 66885 039 041 66885 66885 038 040 66885 66885 001 001 66885 66885 002 002 66885 66885 003 003 66885 66885 004 004 66885 66885 012 012 66299 66299 001 001 Return of goods for repair Page 24 24 13 Return of goods for repair Harmlessness declaration Please refer to our claims return form harmlessness declaration under www badgermeter de service return of goods 33 OG 1OG BA 02 1412 Hotline Phone 49 7025 9208 0 or 46 Fax 49 025 9208 15 Bi Meter Europa GmbH Subsidiary of Badger Meter Inc USA Nurtinger Strasse 76 72639 Neuffen Germany E mail badger badgermeter de www badgermeter de
6. wiring Page 18 24 Dual pulse model ILR 720 Register wiring External DC Yellow External ground Brown Pulse output 1 White Pulse output 2 Green External reset Grey DC input 6 to 24 VDC 10 to 20mA Outputs Dual pulse output with internal pull up resistor optional open collector output with output jumper removed dual pulse output forms a quadrature signal for direction of flow Inputs External reset pulled low to reset the batch totalizer ILR 720 8 24V DC input Yellow Output jumper 3 0V DC Ground Figure 14 ILR 720 wiring 3 OG lOG BA 02 1412 Register output specifications amp wiring Page 19 24 Analog model ILR 730 Register wiring External DC Yellow External ground Brown Analog output White DC input 6 to 24 VDC 10 to 20mA Outputs Analog 4 to 20mA output in loop powered configuration external load of 50 ohms to 250 ohms flow rate is linear scaled between 4mA minimum and 20mA maximum set points flow rates below programmed minimum read 4mA ILR 730 8 24V DC input Yellow 4 20 mA transmitter White Brown Figure 15 ILR 730 wiring 3 OG lOG BA 02 1412 Register output specifications amp wiring Page 20 24 11 2 Pulse transmitter model ILR 740 Figure 16 Pulse transmitter Orientation The register must be mounted as shown above mounted in line with the flow with the flow going left to right or right to left as shown on this page T
7. 1 4 low flow wiring Power Supply Supply input range 5 24V DC Supply current 3 5 mA Pulse Output Output current 30 mA max Yellow Hall effect DC Brown Hall effect ground Green Hall pulse output Power rating 10W Switching voltage 100V DC or peak AC Switching current 500 mA DC or peak AC Grey Reedswitch White Reedswitch Green Hall effect pulse output Pulses per liter PPL Meter size Pulses per liter 1 4 LF 33 2170 OG 1OG BA 02 1412 Repair parts 12 Repair parts Item 1A 2A 4A 4B Description Aluminum cover w screws SST cover w screws SST gear service kit w aflas o ring LCP gear service kit w aflas o ring ILR 700 industrial register w screws ILR 710 industrial register single pulse output w screws ILR 720 industrial register quad output with ext reset w screws ILR 730 industrial register analog output 4 20 mA w screws ILR 740 transmitter w screws Battery not shown 3 1 2 66885 015 66885 016 66885 005 66885 006 66885 001 66885 002 66885 003 66885 004 66885 012 66299 001 3 4 66885 013 66885 014 66885 007 66885 008 66885 001 66885 002 66885 003 66885 004 66885 012 66299 001 1 66885 013 66885 014 66885 007 66885 008 66885 001 66885 002 66885 003 66885 004 66885 012 66299 001
8. 6057 681 4 Flow rate gal min l min Figure 2 Pressure drop vs flow 8 OG lOG BA 02 1412 Register operation Page 9 24 8 Register operationThe following describes register operation and program settings for the industrial oval gear series registers Industrial Standard ILR 700 Industrial Pulse ILR 710 Industrial Quadrature Dual Pulse ILR 720 and Industrial Analog ILR 730 The register display consists of two rows of seven segment digits status unit of measures flow rate and battery indicators Operating function settings and programming are provided using the TOTAL and RESET buttons Figure 3 Register display and button 8 1 Normal operation for models ILR 700 710 720 and 730 To enter normal operation mode when the screen is blank after exiting programming mode or upon initial use press either the TOTAL or RESET button once 8 2 Status The status indicators are RESET and TOTAL 8 3 Totalizers The top row of indicators is the batch totalizer This totalizer displays the cumulative volume of flow through the meter with six digits The batch totalizer totalizes in selected units of measure To reset the batch totalizer after 2 seconds of no flow press and release the RESET button NOTE For the ILR 720 model only the batch totalizer can be reset by a low pulse on the external reset input The bottom row of indicators display the resettable totalizer with five digits or the five least
9. Following the three flashes the register display will be blank Note Pressing the TOTAL or RESET buttons wil turn the display back on 33 OG lOG BA 02 1412 Additional programming Industrial analog and industrial pulse Page 14 24 10 Additional programming Industrial analog and industrial pulse ILR 710 amp ILR 730 Output pulse length for models ILR 710 only Indicated by a P on the left hand side of the display this screen allows the selection of the low duration of the output pulse 0 for zero milliseconds Pulse Output is disabled 2 for 2 milliseconds 10 for 10 milliseconds 20 for 20 milliseconds 40 for 40 milliseconds 100 for 100 milliseconds To advance to the next programming screen hold the TOTAL button Ii x PER MN ils N i4 MM KE amp LBat vi IU IH oH I L Figure 9 Ouput pulse length screen About Output Pulse Length The pulse rate duration should take into account the Pulse Rate Out and maximum meter flow rate to prevent an output pulse duration greater than the required time between pulses The Output Pulse Length should be set to less than the value of t Per the equation Maximum meter flow rate in GPM or l m f x 1000 60X output pulse rate where t the required pulse rate in milliseconds The output pulse rate the programmed paramete
10. be protected against dripping water water oils etc Setup amp operation Adjust only those controls that are covered by the operating instructions Improper adjustment of other controls may result in damage incorrect operation or loss of data Cleaning Switch off all units and isolate from mains before cleaning Clean using a damp cloth Do not use liquid or aerosol cleaners Repair of faults Disconnect all units from power supply and have it repaired by a qualified service person if any of the following occurs If any power cord or plug is damaged or frayed If a unit does not operate normally when operating instructions are followed If a unit exposed to rain water or if any liquid has been spilled into it If a unit has been dropped or damaged If a unit shows a change in performance indicating a need for service WARNING Failure to adhere to these safety instructions may result in damage to the product or serious bodily injury 33 OG IOG BA 02 1412 Basic safety recommendations Page 2 24 RoHs Our products are RoHs compliant Battery disposal The batteries contained in our products need to be disposed of as per your local legislation acc to EU directive 2006 66 EG 3 OG IOG BA 02 1412 Scope of this manual Product unpacking and inspection Produkt identification Page 3 24 2 Scope of this manual This manual contains installation and operation instructions for the Badger Meter industria
11. fill the line and meter with fluid before restarting pumps Doing so reduces the possibility of meter damage caused by errant air pressures in the line and meter Make sure all pipe conforms to the same pressure output rating as the pump Make sure to apply thread sealant to all pipe threads e Install the meter along the meter shafts in a horizontal plane see figure 1 Check for and repair leaks upon initialization of fluid flow 6 Recommended filter sizes eee ia O 08 a o8 89 O E E o 10 89 a O 89 Lo 82 09 ee 33 0 250 OG IOG BA 02 1412 Meter operation Pressure drop Page 6 24 7 Meter operation Fluid enters the inlet port and then passes through the metering chamber Inside the chamber fluid forces the internal gears to rotate before exiting through the outlet port Each rotation of the gears displaces a specific volume of fluid As the gears rotate a magnet on each end of the gear pass a reed switch in the top mounted register s circuit board The reed switches send pulses to the microprocessor in the register to change the LED display segments Pressure drop vs flow rate 1 4 meter Pressure drop PSI Pressure drop bar o 40 60 80 100 151 4 227 1 302 8 378 5 Flow rate gal min l h Pressure drop vs fluid rate 1 2 meter UJ o ht e Pressure drop bar Pressure drop PSI 0 0 6 7 8 9 10 3 8 7 6 11 4 15 1 18 9 22 7
12. significant digits of the non resettable totalizer RESET and TOTAL is indicated when the resettable total is displayed in the five digit lower row Only TOTAL is indicated when the non resettable total is displayed To toggle between the non resettable totalizer and the resettable totalizer press and release the TOTAL button 33 OG 1OG BA 02 1412 Register operation Page 10 24 To reset the resettable totalizer press and hold the TOTAL button and then press and release the RESET button To display 11 digit non resettable totalizer while the non resettable total is displayed press and hold the TOTAL button for seconds The top row displays the 6 most significant digits the bottom row displays five least significant digits NOTE The non resettable totalizer normally displays 5 least significant digits 8 4 Flow rate PER MIN is displayed in conjunction with the unit of measure All flow rates are calculated in volume unit per minute 8 5 Battery The LBat indicator will indicate when the battery is approaching end of life When the indicator is illuminated the 2 3AA 3 0 VDC lithium battery is drained to 10 of its total capacity and should be changed Normal battery life is four years Normal assumes operating conditions of an ambient temperature of 25 C 77 F and a throughput of 60 000 liters 15 850 gallons 63 400 quarts 126 800 pints US Note A 2 3AA 3 6 VDC battery may also be used as a replacement
13. 9 2 Scale factor for models ILR 700 710 720 and 730 The register collects input pulses from the oval gear meter and then determines the appropriate display output using the scale factor This scale factor varies depending upon the viscosity of the liquid being measured therefore calibrating the meter and register in the appropriate liquid will affect the scale factor The scale factor is displayed as 5 digits on the top row next to the unit of measure The scale factor consists of 1 integer digit and 4 decimal digits see figure 5 1 Press the TOTAL button to select a digit selected digits flash After cycling through all 5 digits of the scale factor the register will return to the unit of measure selection Press RESET to change the selected digit The scale factor must fall between the values of 0 5000 and 2 0000 The Badger Meter factory preset is set between those values at 1 0000 When finished adjusting the unit of measure and scale factor press and hold the TOTAL button for one second to advance to the Pulse Rate section 3 OG IOG BA 02 1412 Register programming Page 12 24 NOTE Error checking will not allow the user to advance to the next screen 9 3 Changing the meter pulse rate for models ILR 700 710 720 and 730 The meter pulse rate screen is indicated by the I on the top row on the left side is the number of pulses per unit of measure as detected by the register The pulse rate varies acc
14. e maintenance may impair performance and or compromise safety 33 OG 1OG BA 02 1412 Product identification Page 4 24 Explosion and fire hazards Improper grounding poor ventilation open flames or sparks can cause a hazardous condition and result in an explosion or fire and cause serious injury Be sure the fluid system is properly grounded See your pump instruction manual for details f there is static sparking or if you feel an electric shock while using the meter stop dispensing immediately Identify and correct the problem before continuing Provide fresh air ventilation This will avoid the buildup of fumes from the fluid being dispensed Do not smoke while dispensing flammable fluids Keep the dispensing area free of debris including solvents rags and spilled gasoline Meter hazards Equipment misuse can cause the meter to rupture or malfunction and cause serious injury e This equipment is for professional use only Read all instructions tags and labels before operating the equipment Use the equipment only for its intended purpose e Do NOT modify or alter the equipment e Do NOT leave equipment unattended while dispensing Check equipment daily Repair or replace worn or damaged parts immediately e Do NOT exceed the maximum working pressure level of the lowest rated system component Use only extensions and nozzles that are designed for use with this equipment Use only fluids and sol
15. he transmitter will not function if mounted perpendicular to the flow Transmitter wiring Reed switch outputs Green and white Ratings Max power 10W not to exceed max voltage 200 VDC peak AC max current 0 5A DC peak AC Outputs Raw reed switch output with no signal conditioning Green White Figure 17 ILR 730 wiring Pulse per unit of measure Pulse Pulse per gallon per liter Note Actual pulses per unit of measure are listed on the certificate provided with the meter 3 OG lOG BA 02 1412 Register output specifications amp wiring Page 21 24 11 3 Pulse transmitter model ILR 741 The meter size selector switch must be set to correspond to the size of the meter to properly detect fluid flow e Position 1 top 1 2 3 4 1 e Position 2 center 1 1 2 e Position 3 bottom 2 3 Meter size selector switch Figure 18 ILR 741 transmitter switch positions Transmitter wiring ILR 741 Reedswitch bank wa Auxiliary reedswitch bank OG_10G_ BA 02 1412 Register output specifications amp wiring Page 22 24 11 4 Pulse transmitter for 1 4 Hall effect switch Rating Wiring Reed switch Rating Wiring Transmitter 6 24V DC Input YELLOW Pulse p Hall Effect Switch X E I Ground BROWN GREY WHITE o 3 T Reed Switch Figure 19 1 4 and
16. l line of oval gear meters and registers Proper performance and reliability of these meters and registers depends upon installation in accordance with these instructions 3 Product unpacking and inspection Upon receipt of the product perform the following unpacking and inspection procedures Note If there is damage to the shipping container request the carrier to be present when unpacking the product Carefully open the shipping package and follow any instructions marked on the exterior Remove all packing material and carefully lift the product from the package Retain the package and all packing material for possible use in reshipment or storage Visually inspect the product and applicable accessories for any physical damage such as scratches loose or broken parts or any other sign of damage that may have occurred during shipment Note If you find damage request an inspection by the carriers agent within 48 hours of delivery and file a claim with the carrier A claim for equipment damage in transit is the sole responsibility of the purchaser 4 Product identification Record the product identification numbers from the nameplate Model Serial Number Tag if applicable Disclaimer The user purchaser is expected to read and understand the information provided in this manual follow any listed safety precautions and instructions and keep this manual for future reference Misuse mishandling and or inadequat
17. mming screen hold the TOTAL button for one second al ju HL UT L DL LI VIN E DU Tv uk di T DL LBat H sili tun pom d Li jut IL PAL ng Me Figure 11 Analog minimum flow rate screen 10 3 Analog maximum flow rate for models ILR 730 only Indicated by a H on the left hand side of the display this screen allows the setting of the flow rate that corresponds to the 20mA output NOTE The maximum flow rate value must be greater than the minimum flow rate value e Minimum 0 0 LPM GPM e Maximum 100 0 LPM GPM Default 30 LPM 8 GPM To advance to the next programming screen hold the TOTAL button NOTE Error checking will not allow the user to advance to the next screen H 03000 RI 3 Ue RESET HA 5 dad M ToT Figure 12 Analog maximum flow rate screen 3 OG lOG BA 02 1412 Register output specifications amp wiring Page 17 24 11 Register output specifications amp wiring 11 1 Pulse model ILR 710 Register wiring External DC Yellow External ground Brown Pulse output White DC Input 6 to 24 VDC 10 to 20mA Outputs Pulse output with internal pull up resistor optional open collector output with output jumper removal pulse output is scalable in pulses per liter or pulses per gallon ILR 710 8 24V DC input Yellow Output jumper White Brown Figure 13 ILR 710 wiring 3 OG lOG BA 02 1412 Register output specifications amp
18. or an inline to flow orientation and P for a perpendicular to flow orientation 2 When finished adjusting the register orientation press and hold the TOTAL button for one second to advance to the Default Display section 9 5 Changing the display mode for models ILR 700 710 720 and 730 The display mode screen indicated by a d on the top row on the left side determines the information displayed on the top line of the register during normal operation The display mode may be either the totalizer screen or the flow rate screen C indicates the totalizer screen and F indicates the flow rate screen The totalizer screen is depicted below TOMER ALS T T HAGA Figure 8 Default display 1 While a letter is flashing on the display press the RESET button to select either totalizer or flow rate 2 Upon completion of this setting the programming of the Industrial Standard Register and the Industrial Dual Pulse Output is complete For ILR 710 and ILR 730 models see additional programming parameters Note For ILR 710 and ILR 730 models see Additional Programming Industrial Analog and Industrial Pulse ILR 710 amp ILR 730 on page 11 9 6 Exiting Programming Mode for models ILR 700 710 720 and 730 To exit the programing mode 1 On any screen press and hold the both the TOTAL and RESET buttons The screen will revert back to the programmed scale factor and then flash
19. ording to the type of attached meter The bottom row consists of the 5 digit integer value of the meter pulse rate whereas the top row consists of the 2 digit decimal value of the meter pulse rate The meter pulse rate is entered in pulses per liter if the selected unit of measure is liters The meter pulse rate is entered in pulses per gallon if the selected unit of measure is gallons quarts or pints Figure 6 Meter Pulse Rate 1 Press the TOTAL button to select a digit selected digits flash Press RESET to change the selected digit The pulse rate can be any value between 00000 01 and 99999 99 on the top row integer values are displayed on the bottom row Example 10 45 would display 45 on the top row and 10 would be displayed on the bottom row 2 When finished adjusting the pulse rate press and hold the TOTAL button for one second to advance to the register orientation section NOTE Error checking will not allow the user to advance to the next screen 9 4 Changing the register orientation for models ILR 700 710 720 and 730 Depending on the orientation perpendicular or inline on the meter this setting may need to be changed Flow direction d i ds H PER MIN Inli va mH ES I RESET i In HHR ijs TOTAL r Figure 7 Register orientation E OG lOG BA 02 1412 Register programming Page 13 24 1 Press the RESET button to toggle between available options I f
20. r default 1 00 PPL PPG The maximum meter flow rate the maximum flow rate of the meter for the application 10 1 Pulse rate out for model ILR 710 only Indicated by an o on the left hand side of the display this screen allows selection of the of pulses output per liter or per gallon depending on unit of measure 0 01 PPLPPG to 100 PPL PPG The meter pulse rate is entered in pulses per liter if the selected unit of measure is liters The meter pulse rate is entered in pulses per gallon if the selected unit of measure is gallons quarts or pints To advance to the next programming screen hold the TOTAL button NOTE Error checking il not allow the user to en to the next screen VI rir 080 100 LBat mmo oy Figure 10 Pulse rate out screen OG_lOG_BA_02 1412 3 Additional programming Industrial analog and industrial pulse Page 15 24 33 OG 1OG BA 02 1412 Additional programming Industrial analog and industrial pulse Page 16 24 10 2 Analog minimum flow rate for models ILR 730 only Indicated by a L on the left hand side of the display this screen allows the setting of the flow rate that corresponds to the 4mA output NOTE The minimum flow rate value must be less that the maximum flow rate value e Minimum 0 0 LPM GPM e Maximum 100 0 LPM GPM Default 0 0 LPM GPM NOTE Error checking will not allow the user to advance to the next screen To advance to the next progra
21. vents that are compatible with the equipment Read all fluid and solvent manufacturer s warnings e Tighten all fluid connections before operating this equipment Do NOT stop or deflect leaks with hands body gloves or rags e Do NOT dispense towards any person or any part of the body e Do NOT place hands or fingers over the end of or into the dispense valve e Comply with all local state and federal fire electrical and safety regulations Use of this product in a manner other than specified in this manual may result in impaired operation or damage to equipment These meters are designed to dispense a wide range of chemicals Consult the factory for chemical compatibility 33 OG IOG BA 02 1412 Meter operation Pressure drop Page 5 24 5 Meter installation Read the following information and have a thorough understanding before proceeding with meter installation Only qualified personnel should perform meter installation Install a strainer or Y or basket as close to the inlet side of the meter as possible Strainers prevent dirt and other fluid contaminants from impeding meter performance Strainers require periodic cleaning as clogged strainers also impede meter performance Contact your local representative for specific information per your specific application Il u H Strainer i Figure 1 Meter installation e Turn off any associated pumps to reduce line pressure and slowly
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