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The KROHNE strategy

KROHNE is present in almost every plant

and process in the world. As a global

player, we react quickly to our customers’

demands, whatever they ask, whenever

they ask.

We are active members of all important

industrial associations to make sure we

anticipate industrial trends and then set

the benchmarks that others follow.

Development history

When the first Coriolis flowmeters

appeared on the market in the early

1980s, they were widely welcomed in

industries where their direct measurement

of mass flow was seen as an immediate

benefit. The ability to measure mass flow-

rate directly from a single instrument was

seen as a significant technological and

economic advantage.

In 1994 KROHNE introduced the first

single straight tube Coriolis mass flow-

meter. Compared with those earlier

designs, the main advantage of this meter

was its low pressure drop.The straight,

single tube design has since proved to be

a cost effective solution for mass flow

measurements across a wide range of

industries. The Optimass 7000 now

represents the third generation of this

design philosophy. This sensor requires

no specific installation engineering,

yet offers outstanding flow and density

measurement accuracy and stability.

The product family is completed by other

sensors, each designed to offer measure-

ment solutions in different application

fields, yet all maintaining the common

benefits of class leading performance

coupled with ease of use.

KROHNE

Mass FlowmeterCenter of excellence for mass flowmeter

The team at KROHNE’s centre of excellence for mass

flowmeter technology in Wellingborough, UK, has been

researching ways to develop a straight tube meter that

overcomes previous limitations with this technology,

opening up a wide range of new flow metering

opportunities.

No limits with OPTIMASS

This new family of mass flowmeters, OPTIMASS, provide

accuracy, repeatability and ease of installation.

The flowmeter has been designed to meet the needs of

industry, with secondary containment to 100 bar as well

as approval for hazardous area applications, and it is the

first of its kind to provide wetted parts in titanium,

stainless steel and Hastelloy®, thereby allowing material

selection to give corrosion resistance for almost any

process fluid.

Coriolis flowmeters are already widely used across many

market segments, including chemical and petrochemical,

where a mass measurement is important for applications

such as chemical reaction balancing, bulk loading from

storage to tankers, quality control and custody transfer.

Your Benefit

With their ability to provide mass flowrate and total mass,

temperature, concentration, density and other parameters

directly from the one instrument, our meters offer all the

advantages of conventional Coriolis meters, but now with

significant additional benefits of their own.

KROHNE - easy to work with.

2

The Queen’s Awards for Enterprise are the UK’s most

prestigious awards for business performance. We are

delighted to announce that KROHNE Ltd. have

won an award in the Innovation category for 2005.

KROHNE Ltd.

WINS PRESTIGIOUS

QUEEN’S AWARD THE QUEEN’S AWARDS

FOR ENTERPRISE

INNOVATION

2005



Product Overview

Measuring principle

3

Coriolis forces Fc are generated in oscillating systems when a liquid or a

gas moves away from or towards an axis of oscillation. A Coriolis measuring

system is of symmetrical design and consists of one or two measuring

tubes, 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 particles

in the product are accelerated between points AC and decelerated between

points CB. The Coriolis force Fc is generated by the inertia of the fluid par-

ticles accelerated between points AC and of those decelerated between

points CB.

This force causes an extremely slight distortion of

the measuring tube that is superimposed on the

fundamental component and is directly proportional

to the mass flowrate.

Density measurement is made by evaluation of the

frequency of oscillation, temperature measurement

using a Pt 500 sensor.

Food & Beverage Industry

Brewing Measurement of flow, density, specific gravity

CO2 injection

Dosing of hop extract

Food Measurement of flow, density, content

Dosing of yoghurt, fruit and oils

Fruit Juice Measurement of BRIX, density, flow

Production Dosing of additive components

Pharmaceutical Industry

Batching, dosing and filling

Solvent extraction

Ultra pure-water ring-main measurement

Oil and Gas Industry

Metering skids“Bypass” density measurement

CNG/LPG Dispensers

Mining, Machinery, Minerals

Abrasive sludges/slurries

Water / Waste Water

Flocculent dosing

Sludge flow and density measurement

Chemical Industry

Measurement of concentration, density

Bulk loading

Batching to reactors

Hydrocarbon cracking

Paper & Pulp

Paperstock, pulp

Additives, beaches, colourants

O P T I M A S

S

7 0 0 0 O

P T I M A S

S

3 0 0 0 O

P T I M A S

S

8 0 0 0

/ 9 0 0 0

O P T I G A S

5 0 0 0

A C B

Coriolis Force Coriolis Force

Flow velocity > 0 m/s / 0 ft/s



OPTIMASS 7000 series

single straight measuring tube

for general purpose applicationsOPTIMASS 7000 series

OPTIMASS is the NEW family of

Coriolis meters from KROHNE.

Designed to overcome the limitations

traditionally associated with Coriolis

meters, OPTIMASS makes single tube

metering realistic in more applications

than ever before.

No limits with tube materials

Titanium, Hastelloy® or Stainless Steel

allow straight tube metering for almost

any process.

No limits with measured product

High viscosity, particulate matter,

inhomogeneous mixtures, normal

entrained air, have little effect on

the accuracy and quality of the

measurement.

No limits with installation

Support on the pipe or the meter, with-

out the need for accurate alignment.

And a complete range of process

connectors for all existing and future

installations.

No limits with process connections

OPTIMASS offers a wide range of

special process connections in addition

to standard flanges.

The unique modular connection design,

also gives our production facilities

flexibility,which translates to speedier

delivery, easy on-site installation and

complete adaptability to customers’

specifications.

No limits with applications

• Tanker loading

• Hydrogen gas

• Mineral slurry

• Natural gas

• Gravimetric feed

• Supercritical Ethylene

• Light alcohols

Options

• Heating jacket

• Purge ports• Hygienic and sanitary

connections


Product Liquids, gases, slurries

Nominal flow rate 950…430,000 kg/h / 35…15,800 lbs/min

Minimum flow rate 1% of nominal flow rate

Accuracy Liquids: ± 0.1% of actual measured flow rateGases: ± 0.5% of actual measured flow rate

Repeatability Better than 0.05% plus zero stability

Density 500…2000 kg/m3

/ 30…125 lbs/ft 3

Accuracy ± 2 kg/m3 / ± 0.13 lbs/ft 3

Temperature Ambientwith compact converter -40…+55°C / -40…+130°F with remote converter -40…+60°C / -40…+140°F Process Titanium -40…+150°C / -40…+300°F Hastelloy® 0…+100°C / +32…+210°F Stainless Steelflange process connections 0…+100°C / +32…+210°F hygienic and aseptic connection 0...+130°C / +32...+265°F

PressureMeasuring tube (Titanium) -1…100 bar / -14.5…1450 psiOuter cylinder (Titanium) -1…100 bar / -14.5…1450 psi

(option: 63 barg / 910 psig)

Measuring tube (Hastelloy/SS) -1…40 bar / -14.5…580 psiOuter cylinder (Hastelloy/SS) -1…100 bar / -14.5…1450 psi

Process connection DIN 2501 PN 40 & PN 63; ANSI B16.5 150lb,300 lb & 600lb; JIS 2238 10K & 20K; Hygienic

MaterialMeasuring tube Titanium, Hastelloy®, Stainless Steel 318L Outer cylinder Stainless Steel 304L (optional 316L)

ApprovalsProtection Category IP 67 equiv. to NEMA 4X Pressure Equipment directive PED 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 compat ibil ity EN 50081-1 1992; EN 50082-2 1994;

Namur NE 21/5.93; 89 / 336 / EEC (EMC);

72 /23 / EEC (low voltage directive)Custody transfer OIML R117Hygienic EHEDG, 3A, ASME Bio-processing

Titanium

Hastelloy®

Stainless Steel




z-shaped measuring tube

for low flow applications

OPTIMASS 3000 seriesProduct Liquids, gases

Nominal flow rate 15…350 kg/h / 0.5…12.5 lbs/min



Density 500…2000 kg/m3 / 30…125 lbs/ft 3


Temperature

Ambient

with compact converter -40…+55°C / -40…+130°F

with remote converter -40…+60°C / -40…+140°F

Process -40…+150°C / -40…+300°F

PressureMeasuring tube -1…150 bar / -14.5…2175 psi

Outer cylinder -1…30 bar / -14.5…435 psi

Process connection 1 /4’’ NPT; flanges (DIN, ANSI, JIS); Tri-Clamps

Material

Measuring tube Hastelloy® C-22, Stainless Steel 316L

Outer cylinder Stainless Steel 316L

Approvals

Protection Category IP 67 equiv. to NEMA 4X

Pressure Equipment directive PED 97-23 EC

ATEX (modular MFC 050/051) II 2 G EEx ib IIC T6

ATEX (compact MFC 050) See page 8 of this brochure


FM Class I, II, III Div. 1 & 2

Elect romagnet ic compatibili ty EN 50081-1 1992; EN 50082-2 1994; Namur NE 21/5.93; 89/ 336/ EEC (EMC); 72 /23/ EEC

(low voltage directive)


OPTIMASS is the brand NEW family

of Coriolis meters f rom KROHNE.

Designed to overcome the limitations

traditionally associated with Coriolis

meters, OPTIMASS makes single

tube metering realistic in more

applications than ever before.

No limits with tube materials

Hastelloy® or Stainless Steel allow

single tube metering for almost any

process.

No limits with flow Measures down to grams per minute.




entrained air, have little effect on

the accuracy and quality of the

measurement.


An integrated base mounting plate

allows easy installation horizontally or

vertically without the need for special

fixtures. Installation is easy with all

sizes having the same length.

And in addition,

excellent performance

• Wide measuring range (turndown)

• Excellent mass flow zero stability

• Ability to measure flows down to

grams per minute

• Standard tube pressure rating

150 bar or 2175 psig

Front end signal processing

Short analog signal path gives:• Faster signal evaluation

• Less distortion and loss

• Communication to back end

via RS485 allowing remote

installation up to 300 m or

1,000 ft

• Sensor calibration data embed-

ded in front end; therefore easy to

change back end I/O functionally

without the need for complex

re-programming

Options• Heating jacket

• Hygienic and sanitary connections

Hastelloy®

Stainless Steel



OPTIMASS 8000 & 9000 series

twin U measuring tube

for high temperature applicationsOPTIMASS 8000 & 9000 series

OPTIMASS is the brand NEW family of

Coriolis meters from KROHNE. Designed

to overcome the limitations traditionally

associated with Coriolis meters.


Stainless Steel and Hastelloy® C-22

allow mass flow metering for almost

any process.




entrained air, have little effect on the

accuracyand quality of the measurement.


Support on the pipe or the meter body

without any effects on performance.A

complete range of process connections

for all existing and future installations.

No limits with material

Stainless Steel and Hastelloy®C-22

are offered to cover most common

industrial processes.

No limits with process connections

OPTIMASS offers a wide range of

special process connections in addition

to standard flanges.


The 8000 and 9000 series can handle

most high temperature applications up

to 350°C/660°F.

Fields of application

• Gas

• Gravimetric feed

• Light alcohols

• Tanker loading

• Asphalt

• Liquid Sulphur

• High pressure products

Options

• Insulating jacket

• Fluid heating jacket with integral

coils• Hygienic and sanitary connections

(DIN 11851, Triclamp, DIN 11864-2)

OPTIMASS 8000 & 9000 series

Product Liquids, gases, pastes

Nominal flow rate 2,700…250,000 kg/h / 100…9,300 lbs/min



Density 500…2000 kg/m3 / 30…125 lbs/ft 3


Temperature

Ambient

with compact conver ter (8000) -40…+55°C / -40…+130°F

with remote converter (8000, 9000) -40…+60°C / -40…+140°F

Process

Safe area (compact or remote) (8000) -180…+230°C / -300…+440°F

Safe area (remote only) (9000) 0…+350°C / +32…+660°F

ATEX/FM/CSA (compact only) (8000) -40…+190°C / -40…+370°F

ATEX/FM/CSA (remote only) (9000) 0…+350°C / +32…+660°F

ATEX/FM/CSA (remote only) (8000) -40…+230°C / -40…+440°F

Pressure Up to 210 bar; depending on process

temperature and meter size

Process connection Flanges (DIN, ANSI, JIS); Hygienic

Material

Measuring tube Hastelloy® C-22, Stainless Steel 316L

Outer casing Stainless Steel 304

Approvals


Pressure Equipment directive PED 97-23 EC

ATEX (modular MFC 050/051) II 2 G EEx ib IIC T6



FM (pending) Class I, II, III Div. 1 & 2

Electromagnetic compat ibil ity Namur NE 21/5.93; 89 / 336 / EEC (EMC);72 /73 / EEC (low voltage directive)

Hygienic (pending) EHEDG, 3A, ASME Bio-processing

Hastelloy®

Stainless Steel



OPTIGAS 5000 series

Mass flowmeter

for CNG and LPG dispensers

OPTIGAS 5050 C / 5010 C

Product Compressed natural gas, liquefied petroleum gas

Flow range 1…50 kg/min / 2.2…120 lbs/min (S 15) or 2.4…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) or 2.4 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 capacity

Temperature Ambientwith compact transmitter -40…+55°C / -40…+130°F with remote transmitter -40…+60°C / -40…+140°F Process -40…+95°C / -40…+200°F

Pressurestatic 350 bar / 5080 psicyclic 300 bar / 4350 psi

Process connection 3 /4” (S 15) or 1” (S 25) NPT;female thread in body block

MaterialMeasuring tube Stainless Steel 316L Outer case Stainless Steel 304L

ElectricalPower supply (5050 C) 100…120 or 200…230 V AC or 24 V DCPower supply (5010 C) 12 V DC via Ex approved barrier Programming (5050 C) 3 user keys or via magnetic switchesProgramming (5010 C) Via Modbus (see page 9)

ApprovalsATEX II 2 G EEx ib IIC T6

FM Class I; Div. 1Custody transfer PTB Germany

NTEP USA (pending)

OPTIGAS 5000 series

OPTIGAS the state-of-the-art mass

flowmeter has been developed and

tested in conjunction with leading

dispenser manufacturers.

OPTIGAS for metering compressed

natural gas (Methane) or liquefied

petroleum gas (Propane & Butane)

in dispensers.

No limits with sizes

This mass flowmeter is available in two

sizes for fuelling cars and for buses/trucks. Respecting the fact that private

and commercial vehicles (cars, trucks/

buses) have different sized fuel tanks,

KROHNE believes that two sizes of

flowmeter are required to provide

accurate batches and fast filling times.

No limit with installation

The compact design makes the meter

easy to use and install.

And in addition,

excellent performance

• wide measuring range

• high accuracy

Methane (CNG)

Propane & Butane (LPG)



Modular converter MFC 050 / 051

for OPTIMASS 3000, 5000, 7000, 8000 and 9000

Coriolis mass flowmetersOPTIMASS MFC 050 / 051

OPTIMASS stands for simplicity. It cuts

down all previous limitation in Coriolis

mass metering.

Even the new converters, MFC 050 and

MFC 051 (intrinsically safe) fit on all

current and future models.

No limits through intuitive user

interface software

• Easy to program with intuitive

software

• Simple to commission;

zero calibration and output configuration

No limits with serviceability

• “Intelligent” digital link with front

end will update sensor calibration

data if converter is exchanged

• Common converters for all sensor

designs, reduces spare parts

stockholding

• Sensor diagnostics

• Concentration measurement options


Compact or remote installation:

easy to convert meter on-site withconversion kit

MFC 050

• Choice of multiple outputs

(up to 4) in hazardous and

non-hazardous designs

• Outputs: galvanically isolated from

power supply, but not from each

other; use common ground

• First current output is HART® as

standard, except where a serial

communication is fitted e.g. Modbus

• Current (mA) output is active

• Pulse and control inputs are

passive• Status output is either active or

passive, dep. on output options

MFC 051

• Passive outputs; provides intrinsically

safe signals for the hazardous area

version

• Also available a safe area version

with passive output signals

• Outputs are galvanically isolated

from power supply and from each

other

• Only two inputs or outputs are

available at any time

• Possibility of utilising multi-dropHART®

• Profibus PA

OPTIMASS MFC 050 / 051

Power Supply

Operat ing vol tage (050) 100 … 230 V AC (+10%/-15%); 24 V DC (±30%)

Operat ing vol tage (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 device Via 3 push keys or via 3 Hall effect magnetic switches

Local display 3 line LCD backlight display for measurement function

and value in engineering units

Language supported English, German, French, and Spanish

Measurement functions Mass flow rate; density; volume flow rate; totalizer;

temperature; concentration; velocity

Low flow cut-off 0…10% of nominal flow rate for each sensor size

(user programmable)

System control

User assignable output Process alarm, output er ror or flow direction

User assignable input Zero calibration, Totaliser reset, sensor standby

Ambient temperature

Compact mount to sensor -40…+55°C / -40…+130°F

Remote mount to sensor -40…+60°C / -40…+140°F

Material Die cast aluminium with Polyurethane finish

Approvals


ATEX (remote MFC 050) II 2 G EEx de [ ib] I IC T6 with “ increased safety” terminal

housing; II 2 G EEx d [ib] IIC T6 with “flameproof”

terminal housing

ATEX (compact MFC 050) II 2 G EEx de [ib] IIC T6 with “ increased safety” terminal

housing; II 2 G EEx d [ib] IIC T6 with “flameproof”

terminal housing

ATEX (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 housing

ATEX (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 housing

FM Class I, II, III Div. 1 & 2



Modbus converter MFC 010

for OPTIMASS 3000, 5000, 7000, 8000 and 9000

Coriolis mass flowmeters

OPTIMASS MFC 010

Power Supply 12 V DC ± 5% and 200 mA max. current

Communication protocol Modbus RTU over RS485

Baud rate 9600…38400 baud

Cable required 2 x twisted pair with overall screen(1 pair power and 1 pair signal)

Maximum cable length 300 m / 1000 ft

Connection topography Point-to-point or multidrop

Functionality Full ability to program meter measurement configuration.

All measurement variables available as readableaddress registers.

Approvals (only 7010)ATEX EEx ib IIC T6

FM (pending) Class I; Div 1 & 2

OPTIMASS MFC 010

The new OPTIMASS mass flowmeters

implement all sensor drive and signal

evaluation functions into an integrated

front-end electronics module

permanently fixed to the sensor.

Modbus communication direct

from meter – no need for separate

converter

This new cost effective solution

eliminates unwanted and expensive

I/O and display functions associated

with traditional signal converters and

transmitters, and is designed for use

in OEM systems or packages where a

PLC or DCS is already used for other

functions.

Connection using standard,

off-the-shelf, four-core cable

A simple 4-wire (1 pair data and

1 pair power) interface is all that is

required to connect the OPTIMASS

meter to the PLC or DCS, utilising its

embedded Modbus RTU over RS485connection. This allows programming,

commissioning and measurement over

a single data connection.

Full functionality through using

Modbus communication

• all measured variables

• ability to program meter

• sensor and process diagnostics

Full range of sensor materials,

connections and options available

All familiar functions for measurements

(flow, density and concentration) and

diagnostics (meter and process) are

available. These are fully configurable

using the Modbus connection.

Hazardous area operation for the

meter is possible using compliant

barrier modules for the data and

power connections.

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 approvals



Accessories & Service

for Coriolis mass flowmeters

Outputs from the program are available as printed hard copies,

or as an email file that can be sent back to a local sales office

for their consideration.

ConnectionsOPTIMASS flowmeters are available with a variety of

end connections as standard including an all new

(patented) hygienic connector designed acc. to

DIN 11864/2. High pressure tongue and groove

flange options also available.

KroMASScal

Sizing softwareIn order to assist the user in balancing the conflicting

demands for accuracy, low pressure drop and fluid

velocity. KROHNE has available a powerful, yet easy

to use, OPTIMASS meter sizing program called

KroMASScal. Starting with the basics of the fluid and

process details, the user can select different tube

materials and meter sizes to make “what if” com-

parisons to ensure the best meter is chosen.

The program has a build-in database of many

common liquids and gases, and will recognise the

vast majority of unit descriptors for mass, volume,

density, temperature and viscosity.

“Toolbox”

diagnostic toolCoriolis mass flowmeters are used in many

demanding applications where process or fluid

disruptions are often present. In the past, diagnosing

these external factors was a difficult and time-

consuming process.

Now KROHNE has available “Toolbox” a PC based

system that is able to capture, record, analyse and

display the low level sensor information using an

RS485 data port that is integral in every MFC 050/1

signal converter, when connected to a PC or laptop.

The “Toolbox”system can further be used for meter

validation purposes by comparing the current sensor operating profile with a historic record, to enable

problems such as tube corrosion to be identified.

Aseptic connection

acc. to DIN 11864

All welded Tri clamp

connection acc. to

DIN 32676, ISO 2852 DIN

and Tri-Clover clamp

Flanged connections

DIN, ANSI, JIS

Aseptic connection

acc. to DIN 11851;

Adapter version

Tri clamp connection

acc. to DIN 32676,

ISO 2852 DIN and

Tri-Clover clamp;

Adapter version



Calibration

of OPTIMASS Coriolis mass flowmeters in UK

KROHNE calibration services has the

UKAS seal of approval

KROHNE’s reputation for industry-leading

quality and reliability has been formally

endorsed by the United Kingdom

Accreditation Service (UKAS).

The company’s calibration facility at its

Wellingborough-based plant has been

awarded UKAS certification to ISO 17025.

UKAS is the sole accreditation body in

the UK recognised by government to

assess, against internationally recognised

standards, organisations that provide

certification, testing inspection and

calibration services.

KROHNE has seven calibration rigs which

are now the only dedicated rigs in the UK

accredited by UKAS to calibrate Coriolis

mass flowmeters. They have been approvedfor testing mass and volume flow to 0.035

per cent and 0.038 per cent uncertainty

respectively at flow rates from 1,125 kg per

hour to 247,100 kg per hour.

The accreditation enables the company

to carry out custody transfer calibration

and seal instruments according to the

requirements of OIML R117 without the

need for customers to undertake

additional on-site calibration. This can

save substantial time and money.

“Attaining UKAS approval is of great

benefit to us,” said Eddie Bridges,

international product group manager

for mass flow at KROHNE.

“We can now formally demonstrate that

we meet strict internationally recognised calibration criteria, which we will apply

to all products we supply.”

Calibration

• True calibration against certified weight scales

• Fully automated routines guarantee repeatability of result

• Calibration at three temperatures ensures density and temperature

measurement accuracy

• Accuracy of calibration rig at least 3 times better than accuracy of meters

being measured (and therefore not susceptible to variations in temperature,

pressure, flow rate, etc.)

High accuracy with OPTIMASS

High accuracy calibration rig for mass flowmeters. Compares the flow measured by

the meter with a highly accurate scale. Temperature controlled and compensated

for any ambient drift, the brand new rigs are capable of measuring up to 4 mass

meters in series against actual weighed mass.

Seven state-of-the-art calibration rigs

have been installed at KROHNE’s UK

headquarters in Wellingborough to meet

the growing customer demand for the

revolutionary OPTIMASS range.

mass overall

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