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OPTIFLUX 2070 Technical Datasheet

Electromagnetic flowmeter

• Battery driven stand-alone flowmeter• Unimpeded pipe cross-section, therefore no deposits, wear or maintenance

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OPTIFLUX 2070 OPTIFLUX 2070 OPTIFLUX 2070 OPTIFLUX 2070 is the only electromagnetic flowmeter with built in energy for six years and more.

Highlights

• Optimised energy management

• Bi-directional flow measurement capability

• No pressure loss

• Self diagnostics of electronics, electrodes and battery status

• Maintenance free

• Optionally permanently submersible buried underground

Industries

• Heating, ventilation & air conditioning

• Water & waste water

Applications

• Water distribution / production

• Irrigation

• Well chambers

1 Battery-powered totaliser2 Rigid flow sensor

The battery powered flowmeter

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OPTIFLUX 2070 is an electromagnetic flowmeter with energy for six years at a measuring rate of once per 5 seconds. The meter was designed for measuring (potable) water with suspended particles. Throughout its history KROHNE has continuously pushed the limits of feasibility in developing and testing new instruments. The results are innovations that go far beyond the requirements of the customer, setting new standards for the market. We continue this tradition with the OPTIFLUX 2070, a combination between the well known OPTIFLUX 2000 flow sensor and the new battery powered converter, the IFC 070. The high operating frequency of 1/20 up to 1 Hz

guarantees reliable measurement results with rapid in- and outflow rates.However, OPTIFLUX also means "proved by KROHNE". This covers specific trials, measurements and tests that go beyond the legal specifications, on which our customers can rely completely.For example, we subject every individual OPTIFLUX electronics to a series of extensive temperature change tests, in which the converter is exposed to cyclical fluctuations from -20°C.…+65°C. Every OPTIFLUX 2070 that leaves our factory is wet-calibrated on KROHNE's certified calibration rigs (EN 17025).

Features


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Design

The OPTIFLUX 2070 has many important advantages: outstanding long-term stability, maximum process reliability and no maintenance, to name just a few. All of these features are guaranteed by the OPTIFLUX 2070 internal power package and extreme low power consumption. It delivers precise and reliable measurements for many years operating on batteries. With a sampling rate of 1/5 Hz, the instrument can operate for more than six years.

Performance

Thanks to its unobstructed measuring path, the OPTIFLUX 2070 is superior to mechanical flowmeters, whereas pressure loss and long-term stability are concerned. The cost advantages offered by OPTIFLUX over mechanical meters are significant. The meter has extensive factory-set diagnostic functions that provide continuous self-diagnosis in accordance with international standards.Malfunctions and irregularities are detected and immediately displayed on the high-contrast display.

Cost level

1 Mechanical watermeter2 OPTIFLUX 2070


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Construction

The OPTIFLUX 2000 sensor guarantees, even under difficult process conditions, years of trouble-free use.The lining, made of polypropylene or hardrubber, is resistant to corrosion, aging and abrasion. The surface and shape of the measuring tube also minimise mineral deposits, resulting in exemplary measurement quality, even over the long term.

Operating principle

An electrically conductive fluid flows inside an electrically insulating pipe through a magnetic field. This magnetic field is generated by a current, flowing through a pair of field coils. Inside of the fluid, a voltage U is generated:U = v * k * B * D, in which:v = mean flow velocityk = factor correcting for geometryB = magnetic field strengthD = inner diameter of flowmeter

The signal voltage U is picked off by electrodes and is proportional to the main flow velocity v and thus the flow rate q. The signal voltage is quite small (typically 1 mV at v = 3 m/s (10 ft/s) and field coil power of 1 W). Finally, a signal converter is used to amplify the signal voltage, filter it (separate from noise) and convert it into signals for totalising, recording and output processing.

1 Voltage (induced voltage proportional to flow)2 Electrodes3 Magnetic field4 Field coils


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OPTIFLUX 2070 flowmeter

VersionsCompact OPTIFLUX 2070 C: IFC 070 C converter on top of OPTIFLUX 2000 flow

sensor

Field OPTIFLUX 2070 F: IFC 070 F converter separate from OPTIFLUX 2000 flow sensor

PerformanceMeasurement functionality Default: totalised volume

Selectable: actual volume flowrate, + counter totaliser, - counter totaliser

Measuring range 0…12m/s (0…39ft/s)

Max. deviation (under reference conditions) 1 ±0.5% of measured flowrate value ± 2mm/s

Repeatibility ±0.3% (v > 0.5 m/s / 1.5 ft/s)

Process conditions Potable water

Surface water / clean ground water

1 See graph.

Nominal diameter VN14 VN15

ASME [inch]

2" 2 1/

2"

3" 4" 5" 6" 8" 10"

12"

14"

16"

18"

20"

24"

DN [mm] 50 65 80 100

125

150

200

250

300

350

400

450

500

600

Nominal flange pressureEN 1092-1 - PN 40

EN 1092-1 - PN 25

EN 1092-1 - PN 16

EN 1092-1 - PN 10

EN 1092-1 - PN 6

ISO insertion length

ASME B16.5 - 150 lbs RF





AWWA - class B or D FF

JIS 10 K

JIS 20 K

Technical Data


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ASME [inch]

2" 2 1/

2"

3" 4" 5" 6" 8" 10"

12"

14"

16"

18"

20"

24"

DN [mm] 50 65 80 100

125

150

200

250

300

350

400

450

500

600

LinerPolypropylene

Hardrubber

See pressure and temperature limits for various liners

ElectrodesHastelloy C4

Stainless steel 1,4571 (AISI 316 Ti)

Titanium

Grounding ringsHastelloy C4

Stainless steel 1,4571 (AISI 316 Ti)

Titanium

FlangesSteel 1.0460 (C 22,8 )

Steel 1.0038 ( RSt37-2)

Stainless steel 1.4404 (AISI 316 L)

Stainless steel 1.4571 (AISI 316 Ti)

MaterialsMeasuring tube - austenitic stainless steel

Housing (polyurethane coated) sheet steel

Housing stainless steel

Die-cast aluminium connection box (polyurethane coated)

Stainless steel connection box

Other materials on request

Protection categoryIP 66 / 67 eq. NEMA 4/4X / 6

IP 68 eq. NEMA 6P


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Maximum deviation Y [%] vs flow velocity X [m/s]


ASME [inch]

2" 2 1/

2"

3" 4" 5" 6" 8" 10"

12"

14"

16"

18"

20"

24"

DN [mm] 50 65 80 100

125

150

200

250

300

350

400

450

500

600

VersionsCompact

Separate

Electrical conductivityMin. conductivity 50 µS/cm

J standard J optional U on request

1 OPTIFLUX 2070


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IFC 070 flow converter

FunctionsFlow direction Bi-directional measurement

Low flow cut-off Selectable

DesignDisplay 8 digits LCD

Status indication for battery, diagnostics

Units m3, US Gallons

m3/h, USGPM

Cable connectionsStandard 2x M20 x 1,5

Optional 1/2" NPT, PF 1/2

MaterialsConverter housing Die-cast aluminium (polyurethane coated)

In- and outputOutputs 2 passive pulse outputs for remote totalising

f ≤ 500 Hz; I ≤ 10 mA; U: 5...24 VDC (P ≤ 100 mW)

2 passive status outputs

I ≤ 10 mA; U: 5...24 VDC (P ≤ 100 mW)

Power supplyStandard 2 lithium batteries (D-cell), typical lifetime 6 years.

Alarms Pre-alarm 1 year before battery depletion and final alarm

Battery replacement Possible without loss of totaliser data

ApprovalsProtection class IP 66/67 (NEMA 4X/6)


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Temperature range

Process [°C] Ambient [°C]

min. max. min. max.

HardrubberSeparate flow sensor (OPTIFLUX

2000 F)-5 80 -40 65

Compact with IFC 070 (OPTIFLUX2070 C)

-5 80 -40 65

Polypropylene 1

Separate flow sensor (OPTIFLUX2000 F)

-5 90 -40 65


-5 90 -40 65

1 Polypropylene available for DN 50 - 150

Process [°F] Ambient [°F]

min. max. min. max.

HardrubberSeparate flow sensor (OPTIFLUX

2000 F)23 176 -40 149


23 176 -40 149

Polypropylene 1

Separate flow sensor (OPTIFLUX2000 F)

23 194 -40 149


23 194 -40 149

1 Polypropylene available for ASME 2" - 6"


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OPTIFLUX 2070 C

OPTIFLUX 2000 F

IFC 070 F

T

W

H

070

W

Tbox

c

a

175mm

310m

m

335mm

Dimensions and weights


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Dimensions and weights in mm and kg

Dimensions and weights in inch, psig and lbs

Flanges acc. EN 1092-1 Dimensions [mm] Approx. weight [kg]

DN PN L H W T box T 070

50 40 200 186 165 264 356 13

65 16 200 200 185 278 370 11

80 16 200 209 200 287 379 17

100 16 250 237 220 315 407 17

125 16 250 266 250 344 436 21

150 16 300 300 285 378 470 29

200 10 350 361 340 439 531 36

250 10 400 408 395 486 578 50

300 10 500 458 445 536 628 60

350 10 500 510 505 588 680 80

400 10 600 568 565 646 738 103

450 10 600 618 615 696 788 113

500 10 600 671 670 749 841 132

600 10 600 781 780 859 951 167

Flanges acc. ASME B16.5 Dimensions for 150 lbs flanges [inch] Approx. weight [lbs]


2 150 7,9 7,05 5,98 10,12 13,75 34

3 150 7,9 8,03 7,5 11,10 14,73 42

4 150 9,8 9,49 9,0 12,56 16,19 56

5 150 9,84 10,55 10,00 13,62 17,25 65

6 150 11,8 11,69 11,0 14,76 18,39 80

8 150 13,8 14,25 13,5 17,32 20,95 100

10 150 15,75 16,30 16,00 19,37 23,00 148

12 150 19,69 18,78 19,00 21,85 25,48 212

14 150 27,56 20,67 21,00 23,74 27,37 289

16 150 31,50 22,95 23,50 26,02 29,65 369

18 150 31,50 24,72 25,00 27,80 31,42 415

20 150 31,50 26,97 27,50 30,04 33,67 497

24 150 31,50 31,38 32,00 34,45 38,08 680


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Dimensions and weights in mm, bar and kg

Flanges acc. ASME B 16.5 Dimensions for 150 lbs flanges [mm] Approx. weight [kg]


2 150 200 179 152 257 349 15

3 150 200 204 190,5 282 374 19

4 150 250 241 228,6 319 411 25

5 150 250 268 254 346 438 29

6 150 300 297 279,4 375 467 36

8 150 350 362 342,9 440 532 45

10 150 400 414 406,4 492 584 67

12 150 500 477 482,6 555 647 96

14 150 700 525 533,4 603 695 131

16 150 800 583 596,9 661 753 167

18 150 800 628 635,0 706 798 188

20 150 800 685 698,5 763 855 225

24 150 800 797 812,8 875 967 308


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$$$


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$$$


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Addresses:

Germany

Northern sales office

KROHNE Messtechnik GmbH & Co. KG Bremer Str. 133D-21073 HamburgPhone:+49 (0)40 767 3340 Fax:+49 (0)40 767 33412 [email protected] ZIP code: 10000 - 29999, 49000 - 49999

Western and middle sales office

KROHNE Messtechnik GmbH & Co. KGLudwig-Krohne-StraßeD-47058 DuisburgPhone:+49 (0)203 301 416 Fax:+49 (0)203 301 10416 [email protected] ZIP code: 30000 - 34999, 37000 - 48000, 50000 - 53999, 57000 - 59999, 98000 - 99999

Southern sales office

KROHNE Messtechnik GmbH & Co. KG Landsberger Str. 392 D-81241 Munich Phone:+49 (0)89 121 5620 Fax:+49 (0)89 129 6190 [email protected] code: 0 - 9999, 80000 - 89999, 90000 - 97999

Southwestern sales office

KROHNE Messtechnik GmbH & Co. KG Rüdesheimer Str. 40 D-65239 Hochheim/Main Phone: +49(0)6146) 827 30 Fax:+49 (0)6146 827 312 [email protected] ZIP code: 35000 - 36999, 54000 - 56999, 60000 - 79999

Instrumentation and control equipment catalog

TABLAR Messtechnik GmbH Ludwig-Krohne-Straße 5D-47058 Duisburg Phone:+49 (0)2 03 305 880 Fax:+49 (0)2 03 305 8888 [email protected] www.tablar.de

KROHNE sales companies

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