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Installation Manual

20002172, Rev BA

December 2010

Micro Motion

®

T-Series Coriolis Flow and

Density Sensors

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Содержание MICRO MOTION T-SERIES

Страница 1: ...Installation Manual 20002172 Rev BA December 2010 Micro Motion T Series Coriolis Flow and Density Sensors ...

Страница 2: ...shooting information can be found in the transmitter configuration manual Product data sheets and manuals are available from the Micro Motion web site at www micromotion com documentation Return policy Micro Motion procedures must be followed when returning equipment These procedures ensure legal compliance with government transportation agencies and help provide a safe working environment for Mic...

Страница 3: ...ndations for hygienic and self draining applications 3 Chapter 2 Mounting 6 2 1 Mount the sensor 6 Chapter 3 Wiring 7 3 1 Options for wiring 7 3 2 Connect 4 wire cable 7 3 3 Connect 9 wire cable 10 Chapter 4 Grounding 11 Chapter 5 Supplementary information 12 5 1 Purge the sensor case 12 Contents Installation Manual i ...

Страница 4: ...Contents ii Micro Motion T Series ...

Страница 5: ...wiring between the sensor and the transmitter and then follow the instructions in the transmitter installation manual for power and signal wiring For the wiring between the sensor and the transmitter consider maximum cable lengths see Table 1 1 and Table 1 2 The maximum distance between the sensor and transmitter depends on the cable type For all types of wiring Micro Motion recommends using Micro...

Страница 6: ...If the sensor is installed in a vertical pipeline liquids and slurries should flow upward through the sensor Gases may flow upward or downward Keep the sensor tube full of process fluid For halting flow through the sensor with a single valve install the valve downstream from the sensor Minimize bending and torsional stress on the meter Do not use the meter to align misaligned piping The sensor doe...

Страница 7: ...s area approvals Refer to the hazardous area approvals documentation shipped with the sensor or available from the Micro Motion web site www micromotion com The extended electronics option allows the sensor case to be insulated without covering the transmitter core processor or junction box but does not affect temperature ratings For the purposes of selecting electronics options this graph should ...

Страница 8: ...nt to the reducer Sensor performance can be impacted by intermittent flow of the captured gas in a liquid fluid stream The gap between the electronics housing and sensor body should be inspected periodically Manually clean this gap when necessary Sensor inclination Figure 1 2 B A A Angle of inclination B Direction of gravity Minimum angle of inclination Table 1 3 Model Fitting code Description Min...

Страница 9: ...46 672 DN25 DIN 11851 sanitary coupling 0 677 DN25 DIN 11864 1A sanitary coupling 0 T150F T150T 624 1 1 2 inch Tri clamp compatible sanitary clamp 0 625 2 inch Tri clamp compatible sanitary clamp 46 663 DN51 ISO 2853 IDF sanitary coupling 47 673 DN40 DIN 11851 sanitary coupling 0 674 DN50 DIN 11851 sanitary coupling 47 678 DN50 DIN 11864 1A sanitary coupling 47 693 DN51 SMS 1145 sanitary coupling ...

Страница 10: ...re processor can be rotated freely to facilitate wiring Procedure Mount the sensor in the pipeline see Figure 2 1 Mounting the sensor Figure 2 1 Notes Do not use the sensor to support the piping The sensor does not require external supports The flanges will support the sensor in any orientation CAUTION Do not lift the sensor by the electronics or purge connections Lifting the sensor by the electro...

Страница 11: ... transmitter to wire See the MVD Direct Connect manual for wiring the power and signal cable between the sensor and the direct host Core processor See Connect 4 wire cable Junction box See Connect 9 wire cable CAUTION Make sure the hazardous area specified on the sensor approval tag is suitable for the environment in which the sensor will be installed Failure to comply with the requirements for in...

Страница 12: ...and supplier User supplied cable gland Lay cable in conduit Drain wires wrapped around shield Gland type Pass the wires through the gland nut and clamping insert Clamping insert Gland nut 1 Strip 4 1 2 inch 115 mm of cable jacket 2 Remove the clear wrap and filler material 3 Strip all but 3 4 inch 19 mm of shielding 1 Strip 4 1 4 inch 108 mm of cable jacket 2 Remove the clear wrap and filler mater...

Страница 13: ...e completely covered 2 Apply heat 250 F or 120 C to shrink the tubing Do not burn the cable 3 Position the clamping insert so the interior end is flush with the braid of the heat shrink Cable shield type Braided armored cable Foil shielded cable Go to Step 3 Terminate the shield and drain wires in the gland Assemble the gland according to vendor instructions Gland supplier Micro Motion cable gland...

Страница 14: ...s in the Micro Motion 9 Wire Flowmeter Cable Preparation and Installation Guide 2 Insert the stripped ends of the individual wires into the terminal blocks Ensure that no bare wires remain exposed 3 Match the wires color for color For wiring at the transmitter or remote core processor refer to the transmitter documentation 4 Tighten the screws to hold the wires in place 5 Ensure integrity of gaske...

Страница 15: ...G 2 0 mm2 or larger wire size Keep all ground leads as short as possible less than 1 Ω impedance Connect ground leads directly to earth or follow plant standards CAUTION Ground the flowmeter to earth or follow ground network requirements for the facility Improper grounding can cause measurement error Procedure Check the joints in the pipeline If the joints in the pipeline are ground bonded the sen...

Страница 16: ...sor case to be repurged with a dry inert gas Follow all instructions provided in the case purging procedure Prerequisites Make sure the following are available before beginning the purge procedure Teflon tape Argon or nitrogen gas sufficient to purge the sensor case Procedure 1 Shut down the process or set control devices for manual operation Before performing the case purging procedure shut down ...

Страница 17: ...e greater amount of time is required to purge the case See Table 5 1 If purge lines are being used increase the purge time to fill the additional volume of the purge line Note Keep the purge gas pressure below 30 psig 2 bar Purge time Table 5 1 Sensor model Purge rate in ft3 hr l h Time in minutes T025 20 566 1 T050 20 566 1 T075 20 566 3 T100 20 566 5 T150 20 566 10 7 At the appropriate time shut...

Страница 18: ...pore T 65 6777 8211 F 65 6770 8003 Micro Motion United Kingdom Emerson Process Management Limited Horsfield Way Bredbury Industrial Estate Stockport SK6 2SU U K T 44 0870 240 1978 F 44 0800 966 181 Micro Motion Japan Emerson Process Management 1 2 5 Higashi Shinagawa Shinagawa ku Tokyo 140 0002 Japan T 81 3 5769 6803 F 81 3 5769 6844 2010 Micro Motion Inc All rights reserved The Emerson logo is a ...

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