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Compact and low-costmonitoring of

conductive liquids.Magnetic-inductive

flow meteringfrom ifm.

Volumetric flow sensor efector mid. High-precisionmeasurement, display and signalling of liquid media.

For industrialapplications

Coolant monitoring Cooling water monitoring

Ideal in widelybranched coolingsystems, e.g. weld -ing lines. Thevolumetric flowsensor efector middetects very smalldeviations fromthe specified volu-metric flow quan-tity, for examplefor leaks, andmonitors at thesame time thetemperature ofthe cooling water.This guaranteesprocess safety andquality.

Decentraliseddetection andmonitoring ofliquid media.

The diagnosticfunctionality ofefector mid, e.g.analogue outputs,binary limit values,consumed quanti-ties during thespecified period ortemperature mo n -itoring in themedium, enablesthe reliable opera-tion of cooling cir -cuits and systems.Due to the contin -uous monitoringthe sensor can beperfectly integrat -ed into the condi-

Condition-basedmaintenance.

Monitoring ofconductive liquids.

tion-based main-tenance concepts.This enhances thereliability of theplant; uptime isincreased. Expen -sive consequentialdamage resultingfrom lack of cool -ant is prevented.By integration intoa real-time-main-tenance conceptmaintenance canbe implementedat the right time,in the right place,using the rightmaterial and oper -ators.

The magnetic-inductive volumet -ric flow sensor issuitable for moni-toring conductivemedia. The mediahave a differentelectrical conduc -tivity. efector midmeasures liquidmedia from aconductivity of> 20 μS/cm.

electrical conductivity

sea water (salt)

water glycol mixtures

water-based coolants

drinking water

industrial water

Measuring lengthand electronics areintegrated into arobust and com-pact housing. Sootherwise usualinlet and outletpipe lengths canbe reduced to aminimum. Pressureloss is negligible.

Compact, informativeand easy to install.

Four-digit alpha-numeric displayfor information onsite: current volu-metric flow, accu-mulated totalquantity andmedium tempera-ture. l/min or m3/hcan be selected asthe unit of mea -surement. TwoLEDs indicate theswitch points.Mounting viaR 1/2 or R 3/4adapter ensureseasy installation inthe pipe.

Cooling process optimisation Water supply documentation

efector mid – thereliable and low-cost solution formonitoring theexact supply andconsumption ofliquids in industri-al processes. Dueto the measuringrange of 0 to25 l/min and anaccuracy of ± 2 %of the measuredvalue the unit canbe used in a widerange of applica-tions. Volumetricflow in the oppo -site direction isalso indicated.

alphanumericdisplay

switch point indication

programmingbuttons

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Operating voltage [V] 19...30 DC*

Current rating [mA] 2 x 200 –

Short-circuit protection, pulsed 2 x 200

Analogue output 4...20 mA / 0...10 V (4...20 mA: max: 500 / 0...10 V: min. 2000 Ω)

Flow monitoringMeasuring range [l/min / m3/h] 0...25 / 0...1.5

Measurement error [%]

Setting range [l/min / m3/h]Set point, SPAnalogue start point, ASPAnalogue end point, AEP

Start-up delay [s]

± (2 % measured value + 0.5 % VMR)

0.25...25 / 0.015...1.50...20 / 0...1.2

5...25 / 0.3...1.5

0...50

Temperature monitoringMeasuring range [°C] -20...80

Measurement error [°C] ± 2.5 (Q > 1 l/min)

Pressure resistance [bar] 16

Medium temperature [°C] -10...70

Reverse polarity, overload prot. 2 x 200

Technical data volumetric flow sensor efector mid

Application area conductive liquids(conductivity: ≥ 20 μS/cm / viscosity: < 70 mm2/s at 40 °C)

Electrical design

Connection

DC PNP/NPN

4-wire

DC PNP

4-wire

Output 1

Output 2

normally open / normally closed programmableor pulse

normally open / normally closed programmableor analogue (4...20 mA / 0...10 V, scalable)

analogue(4...20 mA)

–

Process connection G 1/2 male thread

Order no. SM6000 SM6050

Sockets

Description Order no.

2 m PUR, M12 angled, without LED EVC004

5 m PUR, M12 angled, without LED EVC005

Accessories (selection)

Description Order no.

Adapter G 1/2 - R 3/4Process connection G 3/4 flat seal

Adapter G 1/2 - R 1/2

110

73

M12x1

16

G G2

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M12x1

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*to EN50178, SELV, PELV

Setting range [°C]Set point, SPAnalogue start point, ASPAnalogue end point, AEP

-19.8...80.0-20...600...80

Display unitOutput statusMeasured valuesProgramming

6 LEDs green (l/min, m3/h, m3, 103, °C)2 LEDs yellow

4-digit alphanumeric display4-digit alphanumeric display

––––

Protection IP 67, III

Housing materials stainless steel (316S12); stainless steel (316S16); PBT-GF 20; EPDM/X (Santoprene)

Sensor materials stainless steel (316S12); PEEK (polyetheretherketone); FKM

Connection M12 connector; gold-plated contacts

E40189

E40199

Grounding clamp E40196

SM6000

Ensuring product qualityand plant up-time.

Volumetric flow sensorefector mid:

Simultaneous monitoringof volumetric flow quantityand temperature of con-ductive liquids.

Functionality and precisionat the right price.

Local indication of thecurrent volumetric flowquantity, total quantity andtemperature.

For external evaluation:Switching, pulse and ana -logue outputs for signaland control tasks.

Less cost:Setting and monitoring ofcooling circuits for optimumperformance.

More safety:Immediate detection ofeven very small leaks.

High transparency:Counting and allocation ofconsumed quantities.

Exactly right:Exact determination ofliquid quantities.

Magnetic-inductiveflow metering.

converted in theevaluation electro-nics. As the pipecross-section isdefined, thevolu met ric flowquantity can bedeterminedexactly.

No moving com-ponents are used,therefore thesystem works relia-bly, wear andmaintenance free.

The volumetricflow sensor isbased on Faraday’sprinciple of induc-tion. The conduc-tive mediumflowing through apipe in a magneticfield generates avoltage which isproportional tothe flow velocityor volumetric flowquantity. This vol-tage is tapped viaelectrodes and

M = magnetE = electrodesV = flow velocity

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