Mass flow meters - Forbes Marshall

Product Overview© KROHNE 10/2005 7.02561.21.00GRCoriolisMass FlowmetersOPTIMASSElectromagnetic flowmetersVariable area flowmetersMass flowmetersUltrasonic flowmetersVortex flowmetersFlow controllersLevel measuring instrumentsPressure and temperatureHeat meteringCommunications technologySwitches, counters, displays and recordersEngineering systems & solutions

The KROHNE strategyKROHNE is present in almost every plantand process in the world. As a globalplayer, we react quickly to our customers’demands, whatever they ask, wheneverthey ask.We are active members of all importantindustrial associations to make sure weanticipate industrial trends and then setthe benchmarks that others follow.Development historyWhen the first Coriolis flowmetersappeared on the market in the early1980s, they were widely welcomed inindustries where their direct measurementof mass flow was seen as an immediatebenefit. The ability to measure mass flowratedirectly from a single instrument wasseen as a significant technological andeconomic advantage.In 1994 KROHNE introduced the firstsingle straight tube Coriolis mass flowmeter.Compared with those earlierdesigns, the main advantage of this meterwas its low pressure drop. The straight,single tube design has since proved to bea cost effective solution for mass flowmeasurements across a wide range ofindustries. The Optimass 7000 nowrepresents the third generation of thisdesign philosophy. This sensor requiresno specific installation engineering,yet offers outstanding flow and densitymeasurement accuracy and stability.The product family is completed by othersensors, each designed to offer measurementsolutions in different applicationfields, yet all maintaining the commonbenefits of class leading performancecoupled with ease of use.KROHNEMass FlowmeterCenter of excellence for mass flowmeterThe team at KROHNE’s centre of excellence for massflowmeter technology in Wellingborough, UK, has beenresearching ways to develop a straight tube meter thatovercomes previous limitations with this technology,opening up a wide range of new flow meteringopportunities.No limits with OPTIMASSThis new family of mass flowmeters, OPTIMASS, provideaccuracy, repeatability and ease of installation.The flowmeter has been designed to meet the needs ofindustry, with secondary containment to 100 bar as wellas approval for hazardous area applications, and it is thefirst of its kind to provide wetted parts in titanium,stainless steel and Hastelloy®, thereby allowing materialselection to give corrosion resistance for almost anyprocess fluid.Coriolis flowmeters are already widely used across manymarket segments, including chemical and petrochemical,where a mass measurement is important for applicationssuch as chemical reaction balancing, bulk loading fromstorage to tankers, quality control and custody transfer.Your BenefitWith their ability to provide mass flowrate and total mass,temperature, concentration, density and other parametersdirectly from the one instrument, our meters offer all theadvantages of conventional Coriolis meters, but now withsignificant additional benefits of their own.KROHNE - easy to work with.KROHNE Ltd.WINS PRESTIGIOUSQUEEN’S AWARDTHE QUEEN’S AWARDSFOR ENTERPRISEINNOVATION2005The Queen’s Awards for Enterprise are the UK’s mostprestigious awards for business performance. We aredelighted to announce that KROHNE Ltd. havewon an award in the Innovation category for 2005.2

Product OverviewOPTIMASS7000OPTIMASS3000OPTIMASS8000/9000OPTIGAS5000Food & Beverage IndustryBrewingFoodFruit JuiceProductionMeasurement of flow, density, specific gravityCO 2 injectionDosing of hop extractMeasurement of flow, density, contentDosing of yoghurt, fruit and oilsMeasurement of BRIX, density, flowDosing of additive componentsPharmaceutical IndustryBatching, dosing and fillingSolvent extractionUltra pure-water ring-main measurementOil and Gas IndustryMetering skids“Bypass” density measurementCNG/LPG DispensersMining, Machinery, MineralsAbrasive sludges/slurriesWater / Waste WaterFlocculent dosingSludge flow and density measurementChemical IndustryMeasurement of concentration, densityBulk loadingBatching to reactorsHydrocarbon crackingPaper & PulpPaperstock, pulpAdditives, beaches, colourantsCoriolis ForceCoriolis ForceMeasuring principleCoriolis forces Fc are generated in oscillating systems when a liquid or agas moves away from or towards an axis of oscillation. A Coriolis measuringsystem is of symmetrical design and consists of one or two measuringtubes, either straight or curved. A driver sets the measuring tube (AB) into auniform fundamental oscillation mode.When the flow velocity v = 0 m/s / 0 ft/s, the Coriolis force Fc is also 0.At flowing conditions, i. e. flow velocity v > 0 m/s / 0 ft/s, the fluid particlesin the product are accelerated between points AC and decelerated betweenpoints CB. The Coriolis force Fc is generated by the inertia of the fluid particlesaccelerated between points AC and of those decelerated betweenpoints CB.A C BFlow velocity > 0 m/s / 0 ft/sThis force causes an extremely slight distortion ofthe measuring tube that is superimposed on thefundamental component and is directly proportionalto the mass flowrate.Density measurement is made by evaluation of thefrequency of oscillation, temperature measurementusing a Pt 500 sensor.3

OPTIMASS 7000 seriesOPTIMASS is the NEW family ofCoriolis meters from KROHNE.Designed to overcome the limitationstraditionally associated with Coriolismeters, OPTIMASS makes single tubemetering realistic in more applicationsthan ever before.OPTIMASS 7000 seriessingle straight measuring tubefor general purpose applicationsTitaniumHastelloy®Stainless SteelNo limits with tube materialsTitanium, Hastelloy® or Stainless Steelallow straight tube metering for almostany process.No limits with measured productHigh viscosity, particulate matter,inhomogeneous mixtures, normalentrained air, have little effect onthe accuracy and quality of themeasurement.No limits with installationSupport on the pipe or the meter, withoutthe need for accurate alignment.And a complete range of processconnectors for all existing and futureinstallations.No limits with process connectionsOPTIMASS offers a wide range ofspecial process connections in additionto standard flanges.The unique modular connection design,also gives our production facilitiesflexibility, which translates to speedierdelivery, easy on-site installation andcomplete adaptability to customers’specifications.No limits with applications• Tanker loading• Hydrogen gas• Mineral slurry• Natural gas• Gravimetric feed• Supercritical Ethylene• Light alcoholsOptions• Heating jacket• Purge ports• Hygienic and sanitaryconnectionsOPTIMASS 7000 seriesProductLiquids, gases, slurriesNominal flow rate950…430,000 kg/h / 35…15,800 lbs/minMinimum flow rate1% of nominal flow rateAccuracyLiquids:± 0.1% of actual measured flow rateGases:± 0.5% of actual measured flow rateRepeatabilityBetter than 0.05% plus zero stabilityDensity 500…2000 kg/m 3 / 30…125 lbs/ft 3Accuracy ± 2 kg/m 3 / ± 0.13 lbs/ft 3TemperatureAmbientwith compact converterwith remote converterProcessTitaniumHastelloy®Stainless Steelflange process connectionshygienic and aseptic connectionPressureMeasuring tube (Titanium)Outer cylinder (Titanium)Measuring tube (Hastelloy/SS)Outer cylinder (Hastelloy/SS)Process connection-40…+55°C / -40…+130°F-40…+60°C / -40…+140°F-40…+150°C / -40…+300°F0…+100°C / +32…+210°F0…+100°C / +32…+210°F0...+130°C / +32...+265°F-1…100 bar / -14.5…1450 psi-1…100 bar / -14.5…1450 psi(option: 63 barg / 910 psig)-1…40 bar / -14.5…580 psi-1…100 bar / -14.5…1450 psiDIN 2501 PN 40 & PN 63; ANSI B16.5 150lb,300 lb & 600lb; JIS 2238 10K & 20K; HygienicMaterialMeasuring tubeTitanium, Hastelloy®, Stainless Steel 318LOuter cylinder Stainless Steel 304L (optional 316L)ApprovalsProtection CategoryIP 67 equiv. to NEMA 4XPressure Equipment directivePED 97-23 ECATEX (modular MFC 050/051) II 2 G EEx ib IIC T6ATEX (compact MFC 050)See page 8 of this brochureATEX (compact MFC 051)See page 8 of this brochureFM Class I, II, III Div. 1 & 2Electromagnetic compatibility EN 50081-1 1992; EN 50082-2 1994;Namur NE 21/5.93; 89 / 336 / EEC (EMC);72 /23 / EEC (low voltage directive)Custody transferOIML R117HygienicEHEDG, 3A, ASME Bio-processing4

OPTIMASS 3000 seriesz-shaped measuring tubefor low flow applicationsHastelloy®Stainless SteelOPTIMASS 3000 seriesOPTIMASS is the brand NEW familyof Coriolis meters from KROHNE.Designed to overcome the limitationstraditionally associated with Coriolismeters, OPTIMASS makes singletube metering realistic in moreapplications than ever before.No limits with tube materialsHastelloy® or Stainless Steel allowsingle tube metering for almost anyprocess.No limits with flowMeasures down to grams per minute.No limits with measured productHigh viscosity, particulate matter,inhomogeneous mixtures, normalentrained air, have little effect onthe accuracy and quality of themeasurement.OPTIMASS 3000 seriesProductLiquids, gasesNominal flow rate15…350 kg/h / 0.5…12.5 lbs/minMinimum flow rate1% of nominal flow rateRepeatabilityBetter than 0.05% plus zero stabilityDensity 500…2000 kg/m 3 / 30…125 lbs/ft 3Accuracy ± 2 kg/m 3 / ± 0.13 lbs/ft 3TemperatureAmbientwith compact converterwith remote converterProcessPressureMeasuring tubeOuter cylinderProcess connectionMaterialMeasuring tubeOuter cylinderApprovalsProtection CategoryPressure Equipment directiveATEX (modular MFC 050/051)ATEX (compact MFC 050)ATEX (compact MFC 051)-40…+55°C / -40…+130°F-40…+60°C / -40…+140°F-40…+150°C / -40…+300°F-1…150 bar / -14.5…2175 psi-1…30 bar / -14.5…435 psi1/4’’ NPT; flanges (DIN, ANSI, JIS); Tri-ClampsHastelloy® C-22, Stainless Steel 316LStainless Steel 316LIP 67 equiv. to NEMA 4XPED 97-23 ECII 2 G EEx ib IIC T6See page 8 of this brochureSee page 8 of this brochureFM Class I, II, III Div. 1 & 2Electromagnetic compatibilityEN 50081-1 1992; EN 50082-2 1994; NamurNE 21/5.93; 89 / 336 / EEC (EMC); 72 /23 / EEC(low voltage directive)No limits with installationAn integrated base mounting plateallows easy installation horizontally orvertically without the need for specialfixtures. Installation is easy with allsizes having the same length.And in addition,excellent performance• Wide measuring range (turndown)• Excellent mass flow zero stability• Ability to measure flows down tograms per minute• Standard tube pressure rating150 bar or 2175 psigFront end signal processingShort analog signal path gives:• Faster signal evaluation• Less distortion and loss• Communication to back endvia RS485 allowing remoteinstallation up to 300 m or1,000 ft• Sensor calibration data embeddedin front end; therefore easy tochange back end I/O functionallywithout the need for complexre-programmingOptions• Heating jacket• Hygienic and sanitary connections5

OPTIMASS 8000 & 9000 seriesOPTIMASS is the brand NEW family ofCoriolis meters from KROHNE. Designedto overcome the limitations traditionallyassociated with Coriolis meters.OPTIMASS 8000 & 9000 seriestwin U measuring tubefor high temperature applicationsNo limits with applicationsStainless Steel and Hastelloy® C-22allow mass flow metering for almostany process.No limits with measured productHigh viscosity, particulate matter,inhomogeneous mixtures, normalentrained air, have little effect on theaccuracy and quality of the measurement.No limits with installationSupport on the pipe or the meter bodywithout any effects on performance. Acomplete range of process connectionsfor all existing and future installations.No limits with materialStainless Steel and Hastelloy® C-22are offered to cover most commonindustrial processes.No limits with process connectionsOPTIMASS offers a wide range ofspecial process connections in additionto standard flanges.No limits with applicationsThe 8000 and 9000 series can handlemost high temperature applications upto 350°C /660°F.Fields of application• Gas• Gravimetric feed• Light alcohols• Tanker loading• Asphalt• Liquid Sulphur• High pressure productsOptions• Insulating jacket• Fluid heating jacket with integralcoils• Hygienic and sanitary connections(DIN 11851, Triclamp, DIN 11864-2)OPTIMASS 8000 & 9000 seriesProductLiquids, gases, pastesNominal flow rate2,700…250,000 kg/h / 100…9,300 lbs/minMinimum flow rate1% of nominal flow rateRepeatabilityBetter than 0.05% plus zero stabilityDensity 500…2000 kg/m 3 / 30…125 lbs/ft 3Accuracy ± 2 kg/m 3 / ± 0.13 lbs/ft 3TemperatureAmbientwith compact converter (8000)with remote converter (8000, 9000)ProcessSafe area (compact or remote) (8000)Safe area (remote only) (9000)ATEX/FM/CSA (compact only) (8000)ATEX/FM/CSA (remote only) (9000)ATEX/FM/CSA (remote only) (8000)PressureHastelloy®Stainless Steel-40…+55°C / -40…+130°F-40…+60°C / -40…+140°F-180…+230°C / -300…+440°F0…+350°C / +32…+660°F-40…+190°C / -40…+370°F0…+350°C / +32…+660°F-40…+230°C / -40…+440°FUp to 210 bar; depending on processtemperature and meter sizeProcess connectionFlanges (DIN, ANSI, JIS); HygienicMaterialMeasuring tubeHastelloy® C-22, Stainless Steel 316LOuter casing Stainless Steel 304ApprovalsProtection CategoryIP 67 equiv. to NEMA 4XPressure Equipment directivePED 97-23 ECATEX (modular MFC 050/051) II 2 G EEx ib IIC T6ATEX (compact MFC 050)See page 8 of this brochureATEX (compact MFC 051)See page 8 of this brochureFM (pending) Class I, II, III Div. 1 & 2Electromagnetic compatibilityNamur NE 21/5.93; 89 / 336 / EEC (EMC);72 /73 / EEC (low voltage directive)Hygienic (pending)EHEDG, 3A, ASME Bio-processing6

OPTIGAS 5000 seriesMass flowmeterfor CNG and LPG dispensersProductFlow rangeMethane (CNG)Propane & Butane (LPG)OPTIGAS 5050 C / 5010 CCompressed natural gas, liquefied petroleum gas1…50 kg/min / 2.2…120 lbs/min (S 15) or2.4…120 kg/min / 5…265 lbs/min (S 25)Accuracy± 0.5% of total batch; where minimum actualflow rate is 1 kg/min / 2.2 lbs/min (S 15) or2.4 kg/min / 5 lbs/min (S 25)Repeatability± 0.3% of actual flow rate + zero stability(for a typical batch size of >10 kg/22 lbs)Zero stability± 0.015% of flow range capacityTemperatureAmbientwith compact transmitter-40…+55°C / -40…+130°Fwith remote transmitter-40…+60°C / -40…+140°FProcess-40…+95°C / -40…+200°FPressurestatic350 bar / 5080 psicyclic300 bar / 4350 psiProcess connection3/4”(S 15) or 1” (S 25) NPT;female thread in body blockMaterialMeasuring tubeStainless Steel 316LOuter caseStainless Steel 304LElectricalPower supply (5050 C)100…120 or 200…230 V AC or 24 V DCPower supply (5010 C)12 V DC via Ex approved barrierProgramming (5050 C)3 user keys or via magnetic switchesProgramming (5010 C) Via Modbus (see page 9)ApprovalsATEXII 2 G EEx ib IIC T6FM Class I; Div. 1Custody transferPTB GermanyNTEP USA (pending)OPTIGAS 5000 seriesOPTIGAS the state-of-the-art massflowmeter has been developed andtested in conjunction with leadingdispenser manufacturers.OPTIGAS for metering compressednatural gas (Methane) or liquefiedpetroleum gas (Propane & Butane)in dispensers.No limits with sizesThis mass flowmeter is available in twosizes for fuelling cars and for buses/trucks. Respecting the fact that privateand commercial vehicles (cars, trucks/buses) have different sized fuel tanks,KROHNE believes that two sizes offlowmeter are required to provideaccurate batches and fast filling times.No limit with installationThe compact design makes the metereasy to use and install.And in addition,excellent performance• wide measuring range• high accuracy7

Modular converter MFC 050 / 051for OPTIMASS 3000, 5000, 7000, 8000 and 9000Coriolis mass flowmetersOPTIMASS MFC 050 / 051OPTIMASS stands for simplicity. It cutsdown all previous limitation in Coriolismass metering.Even the new converters, MFC 050 andMFC 051 (intrinsically safe) fit on allcurrent and future models.No limits through intuitive userinterface software• Easy to program with intuitivesoftware• Simple to commission;zero calibration and outputconfigurationNo limits with serviceability• “Intelligent” digital link with frontend will update sensor calibrationdata if converter is exchanged• Common converters for all sensordesigns, reduces spare partsstockholding• Sensor diagnostics• Concentration measurement optionsNo limits with installationCompact or remote installation:easy to convert meter on-site withconversion kitMFC 050• Choice of multiple outputs(up to 4) in hazardous andnon-hazardous designs• Outputs: galvanically isolated frompower supply, but not from eachother; use common ground• First current output is HART® asstandard, except where a serialcommunication is fitted e.g. Modbus• Current (mA) output is active• Pulse and control inputs arepassive• Status output is either active orpassive, dep. on output optionsMFC 051• Passive outputs; provides intrinsicallysafe signals for the hazardous areaversion• Also available a safe area versionwith passive output signals• Outputs are galvanically isolatedfrom power supply and from eachother• Only two inputs or outputs areavailable at any time• Possibility of utilising multi-dropHART®• Profibus PAOPTIMASS MFC 050 / 051Power SupplyOperating voltage (050) 100 … 230 V AC (+10%/-15%); 24 V DC (±30%)Operating voltage (051) 100 … 230 V AC (+10%/-15%); 24 V AC (+10%/-15%);24 V DC (+30%/-25%)Power consumption (050) 18 VA (V AC)Power consumption (051) 10 W (V DC)User interfaceInput deviceVia 3 push keys or via 3 Hall effect magnetic switchesLocal display3 line LCD backlight display for measurement functionand value in engineering unitsLanguage supportedEnglish, German, French, and SpanishMeasurement functionsMass flow rate; density; volume flow rate; totalizer;temperature; concentration; velocityLow flow cut-off0…10% of nominal flow rate for each sensor size(user programmable)System controlUser assignable outputProcess alarm, output error or flow directionUser assignable inputZero calibration, Totaliser reset, sensor standbyAmbient temperatureCompact mount to sensor -40…+55°C / -40…+130°FRemote mount to sensor-40…+60°C / -40…+140°FMaterialDie cast aluminium with Polyurethane finishApprovalsProtection CategoryIP 67 equiv. to NEMA 4XATEX (remote MFC 050)II 2 G EEx de [ib] IIC T6 with “increased safety” terminalhousing; II 2 G EEx d [ib] IIC T6 with “flameproof”terminal housingATEX (compact MFC 050) II 2 G EEx de [ib] IIC T6 with “increased safety” terminalhousing; II 2 G EEx d [ib] IIC T6 with “flameproof”terminal housingATEX (remote MFC 051)II (1) 2 G EEx de [ia/ib] IIC T6 with “increased safety”terminal housing; II (1) 2 G EEx d [ia/ib] IIC T6 with“flameproof” terminal housingATEX (compact MFC 051) II (1) 2 G EEx de [ia/ib] IIC T6 with “increased safety”terminal housing; II (1) 2 G EEx d [ia/ib] IIC T6 with“flameproof” terminal housingFM Class I, II, III Div. 1 & 28

Modbus converter MFC 010for OPTIMASS 3000, 5000, 7000, 8000 and 9000Coriolis mass flowmetersOPTIMASS MFC 010The new OPTIMASS mass flowmetersimplement all sensor drive and signalevaluation functions into an integratedfront-end electronics modulepermanently fixed to the sensor.Modbus communication directfrom meter – no need for separateconverterThis new cost effective solutioneliminates unwanted and expensiveI/O and display functions associatedwith traditional signal converters andtransmitters, and is designed for usein OEM systems or packages where aPLC or DCS is already used for otherfunctions.Power SupplyCommunication protocolBaud rateCable requiredMaximum cable lengthConnection topographyFunctionalityOPTIMASS MFC 01012 V DC ± 5% and 200 mA max. currentModbus RTU over RS4859600…38400 baud2 x twisted pair with overall screen(1 pair power and 1 pair signal)300 m / 1000 ftPoint-to-point or multidropApprovals (only 7010)ATEXEEx ib IIC T6FM (pending) Class I; Div 1 & 2Full ability to program meter measurementconfiguration.All measurement variables available as readableaddress registers.Moreover it retains all known benefits of OPTIMASS:• All sensor materials stainless steel, Hastelloy and titanium• All standard, as well as hygienic process connections• High performance with simple installation• Certified to all relevant industry application and process approvalsConnection using standard,off-the-shelf, four-core cableA simple 4-wire (1 pair data and1 pair power) interface is all that isrequired to connect the OPTIMASSmeter to the PLC or DCS, utilising itsembedded Modbus RTU over RS485connection. This allows programming,commissioning and measurement overa single data connection.Full functionality through usingModbus communication• all measured variables• ability to program meter• sensor and process diagnosticsFull range of sensor materials,connections and options availableAll familiar functions for measurements(flow, density and concentration) anddiagnostics (meter and process) areavailable. These are fully configurableusing the Modbus connection.Hazardous area operation for themeter is possible using compliantbarrier modules for the data andpower connections.9

ConnectionsOPTIMASS flowmeters are available with a variety ofend connections as standard including an all new(patented) hygienic connector designed acc. toDIN 11864/2. High pressure tongue and grooveflange options also available.Accessories & Servicefor Coriolis mass flowmetersAseptic connectionacc. to DIN 11864All welded Tri clampconnection acc. toDIN 32676, ISO 2852 DINand Tri-Clover clampFlanged connectionsDIN, ANSI, JISAseptic connectionacc. to DIN 11851;Adapter versionTri clamp connectionacc. to DIN 32676,ISO 2852 DIN andTri-Clover clamp;Adapter versionKroMASScalSizing softwareIn order to assist the user in balancing the conflictingdemands for accuracy, low pressure drop and fluidvelocity. KROHNE has available a powerful, yet easyto use, OPTIMASS meter sizing program calledKroMASScal. Starting with the basics of the fluid andprocess details, the user can select different tubematerials and meter sizes to make “what if” comparisonsto ensure the best meter is chosen.The program has a build-in database of manycommon liquids and gases, and will recognise thevast majority of unit descriptors for mass, volume,density, temperature and viscosity.Outputs from the program are available as printed hard copies,or as an email file that can be sent back to a local sales officefor their consideration.“Toolbox”diagnostic toolCoriolis mass flowmeters are used in manydemanding applications where process or fluiddisruptions are often present. In the past, diagnosingthese external factors was a difficult and timeconsumingprocess.Now KROHNE has available “Toolbox” a PC basedsystem that is able to capture, record, analyse anddisplay the low level sensor information using anRS485 data port that is integral in every MFC 050/1signal converter, when connected to a PC or laptop.The “Toolbox” system can further be used for metervalidation purposes by comparing the current sensoroperating profile with a historic record, to enableproblems such as tube corrosion to be identified.10

Calibrationof OPTIMASS Coriolis mass flowmeters in UKKROHNE calibration services has theUKAS seal of approvalKROHNE’s reputation for industry-leadingquality and reliability has been formallyendorsed by the United KingdomAccreditation Service (UKAS).The company’s calibration facility at itsWellingborough-based plant has beenawarded UKAS certification to ISO 17025.UKAS is the sole accreditation body inthe UK recognised by government toassess, against internationally recognisedstandards, organisations that providecertification, testing inspection andcalibration services.Calibration• True calibration against certified weight scales• Fully automated routines guarantee repeatability of result• Calibration at three temperatures ensures density and temperaturemeasurement accuracy• Accuracy of calibration rig at least 3 times better than accuracy of metersbeing measured (and therefore not susceptible to variations in temperature,pressure, flow rate, etc.)High accuracy with OPTIMASSHigh accuracy calibration rig for mass flowmeters. Compares the flow measured bythe meter with a highly accurate scale. Temperature controlled and compensatedfor any ambient drift, the brand new rigs are capable of measuring up to 4 massmeters in series against actual weighed mass.KROHNE has seven calibration rigs whichare now the only dedicated rigs in the UKaccredited by UKAS to calibrate Coriolismass flowmeters. They have been approvedfor testing mass and volume flow to 0.035per cent and 0.038 per cent uncertaintyrespectively at flow rates from 1,125 kg perhour to 247,100 kg per hour.The accreditation enables the companyto carry out custody transfer calibrationand seal instruments according to therequirements of OIML R117 without theneed for customers to undertakeadditional on-site calibration. This cansave substantial time and money.Seven state-of-the-art calibration rigshave been installed at KROHNE’s UKheadquarters in Wellingborough to meetthe growing customer demand for therevolutionary OPTIMASS range.“Attaining UKAS approval is of greatbenefit to us,” said Eddie Bridges,international product group managerfor mass flow at KROHNE.“We can now formally demonstrate thatwe meet strict internationally recognisedcalibration criteria, which we will applyto all products we supply.”11