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© MECON GmbH BA / RE 250 / EN / V17-11

Operating Instructions

RE 250

Variable Area Flowmeter

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Содержание RE 250

Страница 1: ...MECON GmbH BA RE 250 EN V17 11 Operating Instructions RE 250 Variable Area Flowmeter...

Страница 2: ...Imprint All rights reserved It is prohibited to reproduce this document or any parts thereof without prior written authorization of MECON GmbH Subject to change without notice Copyright 2017 by MECON...

Страница 3: ...Pressure Equipment Directive 2014 68 EU________________ 10 4 Service ________________________________________________________________ 11 4 1 Storage____________________________________________________...

Страница 4: ...d mate rials It must be particularly ensured that the materials selected for the wetted parts of the flowmeter are suitable for the process media to be measured The manufacturer is not liable for any...

Страница 5: ...ed from the manufacturer is warranted in accordance with the relevant product documentation and our Terms and Conditions of Sale The manufacturer reserves the right to revise the content of its docume...

Страница 6: ...operation When operating the flowmeter at low flowrates the device has to start up with a high flowrate to allow the float to level out This will ensure measurements within the specified accuracy clas...

Страница 7: ...r manually will cause incorrect values but it is suitable for testing the unit 2 3 Device with limit switches The limit switches can be set over the entire measuring range by varying the position of t...

Страница 8: ...ior to the installation verify that the float slides smoothly in the fitting without canting or deadlocking The pointer must follow the float movement smoothly Verify that all accessories such as spri...

Страница 9: ...ipes leading to the device The surface roughness of the flange sealing areas must be appropriate for the used gaskets The gaskets and bolts of the prescribed dimensions must be appropriate for the ope...

Страница 10: ...rd operation 3 3 Operating principle Like other devices of this series the variable area flowmeter RE 250 operates according to the principle of flotation The measuring unit consists of a metal tube w...

Страница 11: ...125 5 Gases and fluids of fluid group 1 III DN 150 6 Gases and fluids of fluid group 1 III 4 Service 4 1 Storage Store the device in a dry and dust free place Keep away from direct sun and heat Avoid...

Страница 12: ...nto the fitting from the top At the same time carefully guide the bottom end of the float through the measuring ring Slip the lower guide bracket through the thread at the bottom end of the float and...

Страница 13: ...the piping 4 5 Returning the device to the manufacturer This device has been carefully manufactured and tested Should you nevertheless need to return a device to MECON GmbH please observe the followin...

Страница 14: ...acking list 5 2 Device versions Display unit made of aluminium Fig 6 Standard device with display unit made of aluminium The measurement range is indicated directly on the scale The equipment can be s...

Страница 15: ...of stainless steel For applications with requirements for higher protection category or corrosion resistance the devices are available with a display unit made of stainless steel Heating shield Fig 8...

Страница 16: ...50 EN V17 11 Device Description 5 3 Nameplate Important Please refer to the device nameplate to ensure that the device is built according to your order Check particularly for the correct supply voltag...

Страница 17: ...e Axx DN 15 Bxx DN 20 Cxx DN 25 1 Dxx DN 32 1 Exx DN 40 1 Fxx DN 50 2 Gxx DN 65 2 Hxx DN 80 3 Jxx DN 100 4 Kxx DN 125 5 Lxx DN 150 6 available reduced scale raised face Pressure rating xBx PN 16 EN 10...

Страница 18: ...07 0 48 0 283 1 10 40 4 25 0 11 0 75 0 441 1 10 40 5 40 0 18 1 3 0 765 1 10 40 A 50 0 22 1 5 0 883 1 10 40 B 70 0 31 2 1 1 24 1 10 40 C 100 0 44 3 0 1 77 1 10 60 D 160 0 70 4 6 2 71 1 10 60 E 250 1 1...

Страница 19: ...nges Fluids Gases Ratio Viscosity limits Pressure drop mbar l h USgpm m h mPa s mPa s A B D E F C 100 0 44 3 0 1 77 1 10 1 0 60 60 D 160 0 70 4 6 2 71 1 10 1 3 60 60 E 250 1 10 7 0 4 12 1 10 1 3 60 60...

Страница 20: ...th inspection certificate 3 1 2 Leak test acc to EN 10204 with inspection certificate 3 1 3 Pressure test leak test acc to EN 10204 with inspection certificates 3 1 12 Material certificates A Without...

Страница 21: ...arts Stainless steel Hastelloy PTFE Flange DN25 1 Stainless steel Hastelloy Stainless steel DN25 1 Hastelloy stainless Fitting DN25 DN25 1 Stainless steel Hastelloy Stainless steel with PTFE liner DN2...

Страница 22: ...Cable gland M20 x1 5 Isolation 2 contacts Galvanic isolated Terminal connection 2 5 mm Limit switch SJ3 5 N BU Switching function NAMUR NC Nominal voltage UO 8 2 V DC Ri approx 1 k Supply voltage 5 25...

Страница 23: ...BA RE 250 EN V17 11 www mecon de Page 23 32 Technical Data 7 1 Pressure limits vs temperature stainless steel Fig 10 Maximum Pressure PS vs temperature TS...

Страница 24: ...26 1 02 74 2 91 3 0 6 6 25 1 32 1 26 77 3 03 4 2 9 3 32 1 32 1 26 77 3 03 5 2 11 5 40 1 46 1 81 88 3 46 6 0 13 2 50 2 70 2 76 97 3 82 7 5 16 5 65 2 70 2 76 97 3 82 8 5 18 7 80 3 102 4 02 113 4 45 13 0...

Страница 25: ...03 110 4 33 150 5 91 6 9 15 2 40 1 46 1 81 88 3 46 130 5 12 150 5 91 7 8 17 2 50 2 70 2 76 97 3 82 140 5 51 150 5 91 9 6 21 1 65 2 70 2 76 97 3 82 140 5 51 150 5 91 11 0 24 2 80 3 102 4 02 113 4 45 16...

Страница 26: ...26 105 4 13 5 3 11 7 40 1 46 1 81 115 4 53 6 1 13 4 50 2 70 2 76 129 5 08 7 6 16 7 65 2 70 2 76 129 5 08 8 6 18 9 80 3 102 4 02 145 5 71 13 1 28 9 100 4 125 4 92 158 6 22 18 1 39 9 125 5 125 4 92 158...

Страница 27: ...250 250 DN 32 250 250 1 250 250 250 DN 40 250 250 1 250 250 250 DN 50 250 250 300 2 250 250 300 DN 65 250 250 2 250 300 300 DN 80 250 250 3 250 300 300 DN 100 250 250 4 250 300 300 DN 125 250 300 5 25...

Страница 28: ...upational safety regulations It is essential to observe the voltage data on the nameplate Electrical connections The display lid can be removed by loosening the four mounting screws at the front Inser...

Страница 29: ...Electrical Connections Fig 14 Connection diagram for RE 250 with two limit switches Current output MEM Fig 15 Terminals current output Fig 16 Terminals with add digital outputs Fig 17 Connection diag...

Страница 30: ...RE 250 EN V17 11 Electrical Connections Current output with digital outputs MEM Fig 18 Connection diagram for transducer MEM with 2 limit switches Fig 19 Connection diagram for transducer MEM with lim...

Страница 31: ...l requirements of protection class IP66 Caution After installation or maintenance work on the device the operator has to check and ensure the specified protection class again Therefore pay attention t...

Страница 32: ...OI_RE 250_EN Subject to change without notice Copyright MECON GmbH R ntgenstr 105 50169 Kerpen Germany Tel 49 0 2237 600 06 0 Fax 49 0 2237 600 06 40 Email info mecon de www mecon de...

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