Badger Meter Europa

®

Coriolis mass flow meters

32

Coriolis mass flow metering is based on the physical principle that a force, the so-called Coriolis force, acts on a mass that is moving towards or away from the point of rotation within a rotating system. The symmetrical arranged measuring tubes 1 and 2 are vibrated against each other in the X and Y axis. The limbs RS 1 and RS 2 of the measuring tube 1 and the limbs RS 1 and RS 2 of the measuring tube 2 oscillate on a circular segment in case of zero flow.

Q

Kc

Kc

1

RS 2

RS 1

2

y

x

ww w

QA

v =

Measuring principle

A Cross section of pipe

M Mass

w Angular velocity

v Flow velocity

Q Flow

Kc Coriolis force

1 and 2 Measuring tubes

RS 1, RS 2 Limbs

Coriolis mass metersCoriolis mass meters are recommended for the direct, continuous measurement of the mass

of flowing liquids independently of their conductivity, density, temperature, pressure and

viscosity in the food, chemical and petrochemical industries. They are best suited to measure

chemicals, liquid food, suspensions, molasses, inks, lacquers, pastes, etc.

Simultaneous measurement of:

• Mass flow

• Density

• Temperature

The Badger Meter RCT1000 Coriolis mass flow meter identifies flow rate by directly measuring fluid mass over a wide range of temperatures with a high degree of accuracy. For fluids consisting of two liquids or a liquid with suspended solids, the RCT1000 Coriolis system can derive the concentration and mass

Coriolis RCT1000 mass flow meters

of each fluid based on the density measurement. Furthermore, the unobstructed, open flow design makes it suitable for a variety of fluids such as slurries and other viscous, nonconductive fluids that are difficult to measure with other technologies.

Advantages:

• Unobstructed open flow design• Low-maintenance operation with no

free-moving parts• ModBus® RTU, ModBus® TCP/

IP, HART®, EtherNet I/P network options

• Advanced fluid diagnostic tools • Batching and PID control

Hazardous location transmitter

Advanced software

Specifications

Pipe size 1.6 – 76.2 mm (1/16 – 3“)

Accuracy Liquids: up to± 0.1% of flow rate

Density: up to± 0.0005 g/cm3

Zero stability up to± 0.025% of full scale

Repeatability up to± 0.05% of flow rate

Process temperature range -40 – 200° C (-40 – 392° F)

Wetted material 316L stainless steel

Application General area or hazardous location

54

Bottom view

Δ T = 0

Bottom view

Δ T > 0

• Chemical

• Pet food

• Textiles

• Combustion control

• Asphalt

• Engine test stands

Applications

Unlike many flow measurement technologies, Coriolis mass flow meters can directly and accurately measure the mass flow of fluids over a wide range of fluid temperatures and viscosities. The Coriolis design and measurement principle allows the meter to be an exceptional device in measuring:

• Vegetable oils and fats• Homogeneous suspensions and slurries• Adhesive, glue or binding materials• Coatings and hardeners• Dyes, fragrances, vitamins and other additives• Oil and fuels

Operating principle

Types of measurement

Mass flow rate Derived from the phase shift between inlet and outlet sensing coils

Density Derived from vibration frequency

Temperature Measured and used to correct for changes in the stiffness of the vibrating tubes

Coriolis flow meters simultaneously measure mass flow rate, density and temperature. As fluid flows through the vibrating sensor tube, forces induced by the flow cause the tube to twist slightly. These small deflections are measured by carefully placed sensors. A phase shift occurs between sensor signals that is directly proportional to mass flow rate. As the fluid density varies, the resonant frequency at which the tube vibrates changes which is also measured by the sensors. Temperature is measured by an internal RTD in order to calculate thermal effects on the tube vibrating frequency.

Internaloperation(U-Tube design)

Phase shift

Densityfrequency

RCT1000 Coriolis mass flow meters operate at low frequencies which reduce the formation of air slugs in liquids with entrained air. This operation keeps liquids more homogeneous and provides less erratic readings.

NO FLOW FLOW

HIGH DENSITY LOW DENSITY

Inlet Outlet

U-Tubes

Sensingcoils

Drivecoil

76

• Quick configuration

• Easy-to-read

• LCD screen

• Remote or integral mounting

Controls & system integration

RCT1000 transmitters provide a variety of ways to integrate the meter output into new and existing operations. The batch and PID functionality enables direct control of devices, such as valves, by use of digital or analog outputs. Digital outputs can also be programmed to indicate low and high alarm conditions.

Slurries are used in many products, but the proper mix needs to be controlled. As a slurry is pumped through the Badger Meter Coriolis flow meter, the meter measures the percentage of concentrate. Based on this measurement, the PID controller output from the RCT1000 transmitter will modulate the water addition to the mixer to ensure the exact

PID loop control example

% S

olid

(den

sity)

PID

cont

rol

RCT1000transmitter

RCS seriessensor

Wat

er li

neCoarse powder

Slurry controlled to % solids

Feed

4-20 mA (current #2) Mass �ow outputto control room

4-20 mA (current #1)

Mixer

Research Control®valve

Network options • EtherNet/IP• ModBus® TCP/IP• ModBus® RTU• HART®

Signal outputs• Frequency• Pulse• PWM• 4–20 mA (qty 3)

concentration is achieved. In conjunction to the PID control function, the RCT1000 transmitter can also supply analog output or network connectivity for continuous monitoring of the percentage of solids as well as flow rate information to the control room. Trend graphing

Data logging

Remote display

RCT user software

HealthTrack system verification

• Data logging

• Trending

• HealthTrack system verification

Every RCT1000 Coriolis mass flow meter comes with RCT user software. The software is specifically designed to provide users maximum operational flexibility and ease-of-use. By allowing users quick access to configure measurement parameters through the RCT user software or the LCD interface on the transmitter, the meter can be set up and measuring flow in a matter of minutes.

RCT user software offers much more than configuration features. Users are able to obtain advanced data logging and performance trending analysis, as well as system verification provided by the unique HealthTrack feature.

Badger Meter Europa

®

For Slovakia and the Czech RepublicBadger Meter Slovakia s. r. o.Racianska 109 / B83102 BratislavaSlovakiaTel. +421-2-44 63 83 01Fax +421-2-44 63 83 03badgermeter@badgermeter.skwww.badgermeter.sk

For Poland, Ukraine, Belarus and the Baltic countriesBadger Meter EuropeEastern Europe Branch Officeul. Korfantego 644-193 Knurów / PolandTel. +48-32 236 744 7biuro@badgermeter.comwww.badgermeter.de

For the USA and CanadaBadger Meter, Inc.P.O. Box 245036Milwaukee, WI 53224-9536USATel. +1-414-355-04 00Fax +1-414-355-74 99infocentral@badgermeter.comwww.badgermeter.com

For MexicoBadger Meter de las Americas S. A. de C. V.Pedro Luis Ogazon #32Col. Guadalupe InnMexico, D. F. 01020MexicoTel. +52-55-56 62-08 82Fax +52-55-56 62-75 81bmdla@badgermeter.com

For AsiaBadger Meter Europa GmbHSingapore Branch80 Marine Parade Road#21–06 Parkway ParadeSingapore 449269SingaporeTel. +65-63 46 48 36Fax +65-63 46 48 37awang@badgermeter.com

For ChinaBadger Meter, Inc. Shanghai Representative Office 7-120299 Hangzhong RoadMinhang DistrictShanghai 201101ChinaTel +86-21-57 63-54 12Fax +86-21-57 63-54 12rjiang@badgermeter.com

Badger Meter Europa GmbHNürtinger Str. 7672639 NeuffenGermanyTel. +49-70 25-92 08-0Fax +49-70 25-92 08-15badger@badgermeter.dewww.badgermeter.de

For SwitzerlandBadger Meter Swiss AGMittelholzerstr. 83006 BernSwitzerlandTel. +41 31 932 01 11Fax +41 31 931 08 67info@badgermeter.chwww.badgermeter.ch

For the United Arab EmiratesBadger Meter EuropeMiddle East Branch OfficeDubai Silicon OasisHead Quarter BuildingWing C, Office #C209Dubai / UAETel. +971-4-371 2503Fax +971-4-371 2504gramaswamy@badgermeter.com

Product line overview

Electromagnetic flow metersUltrasonic flow metersWeirs and flumesTurbine metersOscillating piston metersNutating disc metersImpeller metersVortex metersVariable area flow metersDifferential pressure flow metersVenturi tubesMass metersHeat metersHydraulic testersFlow calibratorsLubrication metersOil management systemsControl valvesConcrete finishing products

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