Cameron LEFM 380Ci-R, LEFM 380Ci User Manual

CALDON ULTRASONICS

LEFM 3xxCi Family of Gas Ultrasonic Flowmeters with G3 Transmitter

User Manual

Manual No. IB1406 Rev. 12

LEFM 3xxCi User Manual IB1406 Rev 12

Manual No. IB1406, Rev. 12

August 2017

LEFM 3xxCi User Manual IB1406 Rev 12

Table of Contents

Important Safety Information ......................................................................................................................... 1

Terms Used in this Manual ........................................................................................................................ 1

Personal Safety ......................................................................................................................................... 1

........................................................................................................................................................ 3

Introduction ............................................................................................................................................... 3

Equipment Description .......................................................................................................................... 3

Table 1.1 Nominal K-Factors ..................................................................................................................... 6

Model Number ...................................................................................................................................... 7

Flowmeter Specifications ...................................................................................................................... 8

...................................................................................................................................................... 11

Direct-Mount Meter and Transmitter Installation (Model 3xxCi) ............................................................... 11

Flowmeter Body Installation – Best Practices ..................................................................................... 11

Table 2.1 Hoist Ring Rated Weights and Part Numbers ......................................................................... 13

Table 2.2 Flow Ranges for the 3xxCi Meter ............................................................................................ 17

Table 2.3 Uncalibrated Meter Performance ............................................................................................. 19

...................................................................................................................................................... 20

Remote-Mount Meter and Transmitter Installation (Model 3xxCi-R) ........................................................ 20

Remote Mount Terminations Procedure (External Junction Box Only) ............................................... 21

Table 3.1 LEFM 380Ci-R Transducer and RTD Terminations (See Figure 3.2) ...................................... 23

Remote Mount Transmitter Installation Procedure .............................................................................. 25

...................................................................................................................................................... 26

Transmitter Connections – All Models ..................................................................................................... 26

Transmitter Installation Procedure ...................................................................................................... 26

Table 4.1 Power Terminations................................................................................................................. 28

Table 4.2 Analog Inputs (User 1)............................................................................................................. 29

Table 4.3 Analog Outputs (User 2) .......................................................................................................... 30

Table 4.4 Optional HART Output ............................................................................................................. 30

Table 4.5 LEFM 380Ci Digital Signals ..................................................................................................... 31

Table 4.6 Ground Connections................................................................................................................ 33

Table 4.7 Terminations for Serial Communications ................................................................................. 34

Meter Installation Check-Out............................................................................................................... 35

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LEFM 3xxCi User Manual IB1406 Rev 12

...................................................................................................................................................... 36

Understanding Flow Calculations ............................................................................................................ 36

Measuring Flow Velociti es .................................................................................................................. 36

Measuring Flow Rate .......................................................................................................................... 37

...................................................................................................................................................... 38

Operations ............................................................................................................................................... 38

Definitions ........................................................................................................................................... 38

Normal Operating Conditions .............................................................................................................. 38

Table 6.1 LED Diagnostics ...................................................................................................................... 38

Display ................................................................................................................................................ 39

...................................................................................................................................................... 45

Maintenance ............................................................................................................................................ 45

Introduction ......................................................................................................................................... 45

7.1 General Inspections – Preventative Maintenanc e Pr ocedures ................................................ 45

7.2 Transmitter Troubleshooting .................................................................................................... 46

7.3 Circuit Board Replacement ...................................................................................................... 47

Table 7.1 Circuit Boards .......................................................................................................................... 47

7.4 IOP – Input/Output and Power Supply Board or Power Fuse Replacement ............................ 48

7.5 CTC and Display Replacement ................................................................................................ 50

7.6 MXR Replacement ................................................................................................................... 52

7.7 Transducer Installation ............................................................................................................ 55

7.8 Analog Input Verification .......................................................................................................... 58

7.9 Analog Output and Pulse Output Verification........................................................................... 58

...................................................................................................................................................... 59

Troubleshooting and Diagnostics ............................................................................................................ 59

Diagnostics ......................................................................................................................................... 59

Table 8.1 Acoustic Signal Diagnostics .................................................................................................... 60

...................................................................................................................................................... 63

LEFM 3xxCi and 3xxCi-R Metrological Seals .......................................................................................... 63

.................................................................................................................................................... 67

Secondary Seals and Seal Failure Indication .......................................................................................... 67

Secondary Seals ................................................................................................................................. 67

.................................................................................................................................................... 68

Recommended Spare Parts .................................................................................................................... 68

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LEFM 3xxCi User Manual IB1406 Rev 12

Transducer Equipment ........................................................................................................................ 68

Electronic Equipment .......................................................................................................................... 68

Installation Equipment (Optional) ........................................................................................................ 68

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LEFM 3xxCi User Manual IB1406 Rev 12

WARNING

CAUTION

Important Safety Information

Terms Used in this Manual

This symbol identifies information about practices or circumstances that can lead to personal injury or death, property damage, or economic loss.

This symbol indicates actions or procedures which if not performed correctly may lead to personal injury or incorrect function of the instrument or connected equipment.

CAUTION

Note – Indicates actio ns or proc ed ur es whic h may affect instrument operation or may

lead to an instrument response which is not planned.

Personal Safety

OPERATORS SHOULD NOT REQUIRE ACCESS TO THE INTERIOR OF THE FLOWMETER. ONLY QUALIFIED PERSONNEL SHOULD SERVI CE THE LEFM 380Ci. DO NOT ATTEMPT TO DISASSEMBLE THE INSTRUMENT OR OTHERWISE SERVICE THE INSTR UMENT UNLESS YOU ARE A TRAINED MAINTENANCE TECHNICIAN.

If the equipment is used in a manner not specified by the manufacturer, the protection provided by the equipment’s safety features may be impaired. Cameron is not responsible for damages or injuries sustained as a result of inappropriate use.

Before performing system verification and repair procedures, contact the Valves & Measurement division, Caldon Ultrasonics.

For additional information or assistance on the application, operation or servicing, call the Cameron office nearest you or visit www.cameron.slb.com.

Important Safety Information Page 1 August 2017

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Important Safety Information Page 2 August 2017

LEFM 3xxCi User Manual IB1406 Rev 12

Introduction

Equipment Description

The Caldon* LEFM 3xxCi1 ultrasonic flowmeter is a highly sophisticated bidirectional flow measurement system that employs ultrasonic transit time to measure fluid velocity and volumetric flow rate. Its advanced signal and data processing circuitry help ensure high accuracy and repeatability. The LEFM 3xxCi can be configured to indicate direction of flow via either a quadrature pulse output or a digital signal. It can also be configured to output positive flow pulses on one channel and negative flow pulses on the other.

The LEFM 3xxCi also contains an automatic fault detection system for verifying performance and alerting personnel when abnormal operating conditions are detected. For ease of troubleshooting, the LEFM 3xxCi provides easy-to-interpret diagnostic information via Modbus communications and the local display.

This manual provides detailed instructions on the installation and operation of the flowmeter to include the viewing of flow parameters and interpretation of diagnostic data viewed via the transmitter’s display. Users who require a more detailed view of diagnostic acoustic data can access the data via Cameron’s LEFMLink software. The operation of this software is outside the scope of this manual. See the LEFMLink User Manual for details.

The LEFM 3xxCi flowmeter has two basic components or subsystems:

• A meter body, including up to eight pairs of transducers forming acoustic paths and a temperature sensor

• A transmitter(s) containing a readout display and acoustic data processing electronics

The meter body now has updated features that have been introduced in 2013. These features comply with the requirements of Measurement Canada (PS-G-06), OIML R-137, and ISO 17089-1:2010. They include:

• Removable manifold covers for easy access to the transducer components

• Ability to seal the transmitter and meter body to all changes affecting metrological performance

• Positive indication of the degradation in any primary seal with a secondary seal design that

complies with the requirements of ISA 12.27.01

The meter design typically mounts the transmitter to the meter body at the factory and the assembly is shipped as one instrument, ready for installation. Remote-mount units are available, particularly when there are extreme temperatures at the meter itself. This manual covers two different configurations. These are described as follows:

The term 3xxCi encompasses all versions of the gas ultrasonic flowmeters. Specifically, the 340Ci (4-path), and the 380Ci (8-

path) models are covered. Further, different meter body configurations are covered.

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LEFM 3xxCi User Manual IB1406 Rev 12

Model 34xCi: Transmitter mounted to the meter body (refer to Section 2, Meter Body Installation, for installation). This model has a factory installed seal between the transmitter and the meter body.

Model 380Ci: Transmitter mounted to the meter body (refer to Section 2, Direct-Mount Meter and Transmitter Installation, for installation). This model has a factory installed seal between the

transmitter and the meter body. Refer to Figure 1.1 below for a depiction of the meter body and transmitter assembly.

Model 380Ci-R: Transmitter mounted remotely from the meter body (refer to Section 1 for installation). This model has a factory installed seal between the transmitter and a junction box for terminating cables from the meter body.

The 380Ci-R model requires that the transmitter be mounted separately from the meter body. In those instances, the transmitter(s) and meter body are shipped separately.

Figure 1.1 LEFM 380Ci Meter Body and Transmitter Assembly, shown with optional sunshield and swivel hoist rings

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LEFM 3xxCi User Manual IB1406 Rev 12

LEFM 3xxCi Meter Body

The meter body contains up to eight pairs of acoustic transducers and a temperature sensor (RTD). The meter body is a specially designed section of pipe that contains pairs of transducer housings that are

positioned to provide acoustic paths at a 65° angle to the flow direction. They are spaced in accordance with the Gaussian Method of flow integration. The transducers are installed inside thes e ho usi ngs .

Each transducer module contains a piezoelectric crystal which transmits and receives acoustic energy in the form of ultrasonic pulses (typically 200 kHz). A distinguishing design feature is that the transducer modules may be removed from their housings for maintenance while the meter body is in the pipeline without affecting the pressure boundary (i.e. no special extraction tools required).

LEFM 3xxCi Transmitter

The transmitter houses the di s play , which shows t he flow data, including flow rate, total flow volume, gas properties, analog input data, alarm indication, fault detection, and acoustic diagnostic information.

The transmitter performs all control and timing for the generation and measurement of acoustic pulses. Acoustic processing is performed by specialized proprietary boards that are designed to achieve high sampling rates, provide stable ultrasonic signals, and eliminate zero drift. The circuit boards within the transmitter are programmed to perform the following functions:

• Step through the ultrasonic path cycles

• Provide gain control for each ultrasonic path

• Compute flow

• Generate pulse outputs an d anal og outp ut s

The transmitter offers the following inputs/outputs:

• Standard volume pulse out p ut

• The K-factors used to configure transmitters at the factory are listed in Table 1.1. The user may

configure the K-factor as needed.

• Analog Inputs (up to 3)

o Product temperature o Product pressure

• Analog Outputs (up to 2)

o Flow o Any Modbus Register (See Modbus manual)

• Communications

o RS-485 ports (half duplex; up to 3) – Modbus RTU o Ethernet port (via Copper or Fiber) with Modbus TCPIP o Optional HART channel (operates on second analog output)

• Digital Outputs (4)

o Status o Standard volume pulse out p uts

• The K-factors used for factory transmitter configuration are listed in Table 1.1 below.

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Size

CFH

(P/CF)

m3/h

(P/m3)

In.

Table 1.1 Nominal K-Factors

Maximum Flow

K-Factor

Maximum Flow

K-Factor

4 100 29,000 240 810 8900 6 150 65,000 110 1845 3900

8 200 114,000 63 3,230 2230 10 250 180,000 40 5,090 1416 12 300 254,000 28.3 7,200 1000 14 350 307,000 23.5 8690 829 16 400 402,000 17.9 11,400 632 18 450 511,000 14.1 14,500 498 20 500 632,000 11.4 17,900 402 24 600 913,000 7.9 25,900 278 26 650 1,203,000 6.0 34,100 210 28 700 1,405,000 5.1 39,800 180 30 750 1,623,000 4.4 46,000 160 32 800 1,857,000 3.9 52,600 140 34 850 2,106,000 3.4 59,600 120 36 900 2,371,000 3.0 67,100 100

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LEFM 3xxCi User Manual IB1406 Rev 12

Model Number

Meter Body Model Numbers

The model number defines construction and features. From the model number, a user can identify and verify the component type, meter size, piping thickness, construction material, ANSI rating, and enclosure type.

MODEL NUMBER CODE: LEFM 3BC-D-E-F-G-H-J-K-L-M-N-P-Q-R B = 80 FOR 8 PATH METERS

B = 40 FOR 4 PATH METERS C = Ci-G3 FOR INTEGRAL ELECTRONICS

C = Ci-R-G3 FOR REMOTE ELECTRONICS AND 1 J-BOX PER MANIFOLD

C = Ci-RB-G3 FOR REMOTE ELECTRONICS AND 1 J-BOX FOR WHOLE MET E R

D = NOMINAL PIPE SIZE (e.g., 04 = 4 INCH, 16 = 16 INCH ....)

E = PIPE SCHEDULE (SCHEDULE 5 THRU 160 AND XXS) F = CF FOR FORGED CARBON STEEL

F = CC FOR CAST CARBON STEEL F = SF FOR FORGED STAINLESS STEEL F = SC FOR CAST STAINLESS STEEL F = DF FOR FORGED DUPLEX STEEL F = DC FOR CAST DUPLEX STEEL

F = LF FOR FORGED LOW TEMPERATURE CARBON STEEL

F = LC FOR CAST LOW TEMPERATURE CARBON STEEL

F = HF FOR HASTELLOY

F = IF FOR INCONEL FORGED G = ASME FLANGE RATING (CLASS 150, 300, 600, 900, 1500, 2500) H = B FOR MANIFOLDS INTEGRAL WITH M ETER BODY

H = D FOR SPLIT MANIF OLDS INTEGRAL WITH METER BOD Y H = E FOR SINGLE TRANSDUCER ENCLOSURES INTEGRAL WITH METER BODY

J = W FOR WELD NECK RAISED FACE FLAN G ES J = R FOR WELD NECK R TJ FACE FLANGES

J = O FOR OTHER FLANGE VARIETY

J = S FOR SLIP-ON FLANGES K = L FOR LOCTITE E40 EXP POTTING MATERIAL L = B FOR SECONDARY SEAL DESIGN TRANSDUCER HOUSING IN ACCORDANCE WITH ISA 12.27.01 (DUAL SEA L)

L = C FOR DOUBLE O-RINGS M = N FOR NO PRESSUR E PORT OPTION

M = P FOR PRESSURE PORT OPTION N = A FOR ALUMINUM MANIFOLDS COVER S

N = S FOR STAINLESS STEEL MANIFOLDS COVERS P = 1 FOR ONE TRANSMITTER

P = 2 FOR TWO TRANSMITTERS Q = G FOR GAS TRANSDUCER HOUSINGS R = "BLANK" FOR NO CUSTOM OPTION

R = C FOR CUSTOM OPTION

Example: For a forged carbon steel 380Ci meter that has a head mounted electronics, 6 inch NPS, Schedule 40, 150# weld neck flanges with raised faces, no pressure port, aluminum manifold covers, having the secondary seal design and having no other custom features – the model code would be:

LEFM380Ci-G3-06-40-CF-150-B-W-L-B-N-A-1-G

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LEFM 3xxCi User Manual IB1406 Rev 12

Size

14”x 8” x 6” = 152mm x 356 mm x 203 mm

Transmitter Model Number

The model number for the transmitter includes information that defines construction and features.

MODEL NUMBER CODE: G3MFFFCC PSEXYZ MATERIAL

FREQUENCY

COMMUNICATIONS

POWER OPTIONS

SUNSHIELD OPTIONS

ENTRY PORT

APPROVALS

M = A, ALUMINUM M = S, STAINLESS STEEL

FFF = 020 FOR 200KHZ FFF = 100 FOR 1 MHZ FFF = 160 FOR 1. 6 MHZ FFF = 250 FOR 2. 5 MHZ FFF = 350 FOR 3. 5 MHZ FFF = 500 FOR 5. 0 MHZ FFF = BBD FOR A BROADBAND DESIGN

CC = HC FOR TWO RS-485 PORTS, ONE HART PORT, AND ONE COPPER ETHERNET CC = SC FOR THREE RS-485 PORTS (ONE MASTER) AND O NE COPPER ETHERNET (LEGACY = S2) CC = HF FOR TWO RS-485 PORTS, ONE HART PORT, AND O NE FIBER ETHERNET CC = SF FOR THREE RS-485 PORTS (ONE MASTER) AND ONE FIBER ETHERNET

P = D FOR DC POWER – 24 VOLTS P = A FOR AC POWER – 120/230 VAC

S = Y FOR WITH SUNSHIELD S = N FOR WITHOUT SUNSHIELD

E = 1 FOR NPT PORTS 3/4 INCH NPT E = 2 FOR M25 PORTS E = 3 FOR SPECIAL

X = 0 FOR NO CSA APPROVAL X = C FOR CSA APPROVAL Y = 0 FOR NO ATEX APPROVAL Y = B FOR ATEX EXd I IB APPROVAL Y = C FOR ATEX EXd I IB + H Y = D FOR ATEX EXd I IC APPROVALS Z = 0 FOR NO IEC APPROVAL Z = B FOR IECEX EXd IIB APPROVALS Z = C FOR IECEX EXd IIB + H Z = D FOR IECEX EXd IIC APPROVALS

APPROVAL

APPROVALS

Flowmeter Specifications

Table 1.2 LEFM 3xxCi Transmitter Specifications

Material

Standard Aluminum

Corrosion Resistant Stainless Steel

Size and Weight (if delivered separate from the meter body)

Net Weight

Section 1 Page 8 August 2017

15 lb. (6.1 kg) Aluminum 40 lb. (15.9 kg) Stainless Steel

LEFM 3xxCi User Manual IB1406 Rev 12

Note – When attached to a junction box, the total could surpass 135 lbs (61 kg),

Power Consumption

7.3 W

Alarm Status (4 Total)

0V = alarm condition

Ethernet

Copper or Fiber

HART

Optional

4-20 mA (max load 650 Ohms)

Meter body RTD is standard

Power Requirements – DC Power

Voltage Req’d 24 VDC (18 VDC to 30 VDC)

Current Draw 0.25 A at 24 VDC

Power Consumption 6 W

Power Requirements – AC Power

Voltages 120 (60 Hz) / 230 (50 Hz) VAC

Voltage Range (108 VAC to 253 VAC)

Frequency Range (47 Hz to 63 Hz)

Current Draw 0.14 A

Pulse Outputs

Pulse/Direction Outputs (4 Total) 0-5 V or 0-12 V

Communications

RS485 (up to 3 total) 2 Wire – Modbus RTU

depending on the junction box material

5V or 12 V = normal operation

Analog Outputs (2 total)

Analog Inputs (3 total)

4-20 mA

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Altitude

Up to 5000 meters (16400 feet) for DC applications, 2000 meters for AC applications (Contact Cameron for applications at higher elevations)

Environment Requirements

Storage Temperature -58°F (-50°C) to 185°F (85°C)

Operating Temperature -58°F (-50°C) to 158°F (70°C)

This transmitter is intended for use in a permanently connected installation, Equipment Class II, Pollution Degree 2, Continuous oper ati on.

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CAUTION

Direct-Mount Meter and Transmitter Installation (Model 3xxCi)

The LEFM 3xxCi flowmeters are designed for use with a broad range of process and environmental conditions. Durable construction permits conventional installation practices. The flowmeter body is typically fabricated of stainless steel, carbon steel, or duplex steel, depending on customer requirements. The flowmeter is designed to be as strong as or stronger than pipe and flanges of the same schedule, pressure class, and material. For site stress analysis, the meter can be conservatively treated as equivalent pipe.

Installation procedures vary, depending on whether the transmitter is attached directly to the meter body, or mounted remotely from the meter body. This section describes the direct-mount installation in which the transmitter is mounted directly to the meter body (Model 380Ci). Section 1 addresses the remote-mount installation method in which the transmitter is mounted separately from the flowmeter, typically due to extreme environmental reasons (for example, high or low pipe temperatures). Remote mounting of the electronics is for Model 380Ci-R.

Flowmeter Body Installation – Best Practices

The weights of the flowmeter body are listed in Table 1.3 and Table 1.4. Never use the transmitter, conduit or junction boxes for lifting or maneuvering the meter body. These components are not designed for the forces required to move the meter body and could be damaged.

If the equipment is likely to come into contact with aggressive substances, then it is the responsibility of the user to take suitable precautions that prevent it from being adversely affected, thus ensuring that the type of protection is not compromised.

No external supports or special mounting pads are required or recommended for the LEFM meter body. However, the piping immediately upstream and downstream of the flowmeter should be well supported in accordance with good piping practices and site seismic requirements. See Section 1 for LEFM weight and size information.

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WARNING

Stainless Steel Bolt

Sealing Washer

WARNING

Lifting/Hoisting the Meter Body

If the swivel hoist rings have been used previously, inspect them for signs of wear, corrosion, or stress. If the rings appear damaged or corroded, DO NOT USE.

Hoist Ring Installation

1. Before installing hoist rings, refer to your company’s hoisting and rigging standards. If no such company standards exist, refer to the Department of Energy (DOE) STD-1090-2011(Hoisting and Rigging Standard). Additional information can be found in OSHA 29 CFR 1926.251 (Rigging Equipment for Material Handling) and 1926.552 (Material Hoists, Personnel Hoists, and Elevators).

2. Identify the assembled weight of the meter body from the serial tag or by referencing Table 1.4.

3. Place the meter on a stable surface or platform capable of supporting its assembled weight.

Failure to properly stabilize and support the meter body during installation or removal could allow the meter to shift or roll, posing a hazard that may result in equipment damage or serious injury, up to and including death.

4. Remove the plug bolts and sealing was her s from the tapped holes on top of each meter body end flange and set them aside. The plug bolts will be replaced after the hoist ring is no longer required, as shown in Figure 2.1.

Figure 2.1 Stainless steel bolt and washer in tapped hole of meter body end flange

5. Use only Cameron swivel hoist rings (ordered separately; see Table 2.1) in the meter body end flanges. DO NOT USE the following:

a. Eyebolts b. Other hoist rings with the same screw size c. Heavy-duty hoist rings

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LEFM 3xxCi User Manual IB1406 Rev 12

Rated Weight

(lbs)

Rated Weight

(kg)

Thread

Cameron Part No.

660

299

9A-1MMA4

1400

635

M10

9A-1MMA5

2200

998

M12

9A-1MMA6

3300

1497

M16

9A-1MMA7

5500

2495

M20

9A-1MMA8

8800

3992

M24

9A-1MMA9

11000

4990

M30

9A-1MMB1

15400

6985

M36

9A-1MMB2

WARNING

6. Screw the swivel hoist rings into the tapped holes. To ensure the hoist rings hold their rated load, the base of the hoist ring must be in full contact with the surface of the tapped holes before attempting to lift/hoist the meter body.

7. Torque the swivel hoist ring attachments to the site recommended limit for that bolt size. DO NOT over-torque.

8. Verify that the rings move freely in all directions.

Table 2.1 Hoist Ring Rated Weights and Part Numbers

Sling Attachment

Ensure that the meter body is detached from all piping, pipe fittings, and/or meter tubes before lifting/hoisting the meter. Failure to take this precaution may result in damage to equipment and/or personal injury, up to and including death.

NEVER attempt to thread one sling through both hoist rings. DO NOT exceed an angle of 90 degrees between the slings. Choose slings that exceed the swivel hoist ring load rating. Failure to follow these precautions may result in hoist ring failure, equipment damage, or serious personal injury, up to and including death.

1. Select two slings of equal length that exceed the load rating for the weight of the assembled meter body.

2. Visually inspect the slings for signs of wear, abrasion, or other damage. DO NOT USE if damage is detected.

3. Attach the slings to the hoist rings, ensuring that the angle between the slings is 90 degrees or less (see Figure 2.2). DO NOT wrap slings around the meter body or the transmitter enclosure.

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Figure 2.2 The angle (shown here at 30° from vertical and 60° total) may range from 0° to 45° (from vertical) or 0° to 90° (total ). The angle

must be chosen so that lifting method does not interfere with the electronics unit

4. To avoid damaging the transmitter enclosure, ensure that the slings do not come into contact with it. Consider using a spreader bar (as shown in Figure 2.3), in order to ensure that the angle between the slings does not exceed 90 degrees.

Figure 2.3 Hoist rings used at 0° with a lifting bar above the electronics unit allow for uniform lifting.

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CAUTION

To avoid damaging the swivel hoist rings, never use cables, hooks, or chains to lift the meter body. Lift the meter gradually. Exposing the swivel hoist rings to shock loads can result in damage to the hoist ring. DO NOT USE any swivel hoist ring exposed to shock loads.

5. After lifting, remove the swivel hoist rings and store away from exposure to

moisture, extreme temperatures, and other adverse conditions.

6. Reinsert the plug bolts into the tapped holes to protect them from debris and corrosion.

Meter Installation

Install the flowmeter so that:

• The acoustic paths are horizontal (with the transmitter and nameplate on top) to decrease the likelihood of debris accumulating in the sensor wells.

• The flow arrow indicates the flow direction for positive flow.

• All wiring to the transmitter is routed in shielded conduit / armored cable that meets site

environment specifications.

• All power connections on site shall go through an equipment switch or circuit breaker employed as a disconnecting device. This switch shall be easily accessed and be marked as the disconnecting switch for the transmitter. This switch shall meet the requirements of IEC 60947-1 and IEC 6094 73 and site electrical codes.

• If using DC power, power cable must be installed in separate conduit from all other cabling. This is to meet requirements of IEC 61000-4-4 (2004-07).

• 380Ci Installations: Upstream of the meter there should be at least 5 diameters of straight pipe of the same nominal diameter as the meter. If a straighten i ng/c o ndi ti oning element is used, 10 diameters of straight pipe between the conditioner and flowmeter are recommended with an additional 5 diameters upstream of the flow conditioner. Downstream of the meter, there should be at least 3 diameters of straight pipe of the same nominal diameter as the meter. Refer to

Figure 2.

for details.

• 340Ci Installations: Upstream of the meter there should be at least 10 diameters of straight pipe of the same nominal diameter as the meter. If a straightening/conditioning element is used, 10 diameters of straight pipe between the conditioner and flowmeter are recommended with an additional 5 diameters upstream of the flow conditioner. Downstream of the meter, there should be at least 3 diameters of straight pipe of the same nominal diameter as the meter.

• Process temperature and pressure should be measured within 2 to5 diameters downstream of the meter. The pressure measurement may be made at the downstream spool ahead of the temperature measurement or optionally at the meter body itself.

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5D max

2D min

Figure 2.4 Best Practice for 380Ci Installation

Note: For the 340Ci Installation the Upstream pipe length should be 10D

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LEFM 3xxCi User Manual IB1406 Rev 12

In.

(cfh)

(m3/hr)

100

28,700

34,440

2,870

574

813

975

16 6 150

65,200

78,240

6,520

1,304

1,850

2,216

185

37 8 200

114,000

136,800

11,400

2,280

3,230

3,874

323

250

180,000

216,000

18,000

3,600

5,100

6,116

510

102

300

254,000

304,800

25,400

5,080

7,190

8,631

719

144

350

307,000

368,400

30,700

6,140

8,690

10,432

869

174

400

402,000

482,400

40,200

8,040

11,400

13,660

1,138

228

450

510,000

612,000

51,000

10,200

14,400

17,330

1,444

289

500

632,000

758,400

63,200

12,640

17,900

21,475

1,790

358

600

913,000

1,095,600

91,300

18,260

25,900

31,024

2,585

517

650

1,203,000

1,443,600

120,300

24,060

34,100

40,878

3,407

681

700

1,405,000

1,686,000

140,500

28,100

39,800

47,742

3,979

796

750

1,623,000

1,947,600

162,300

32,460

46,000

55,150

4,596

919

800

1,857,000

2,228,400

185,700

37,140

52,600

63,101

5,258

1,052

850

2,106,000

2,527,200

210,600

42,120

59,600

71,562

5,964

1,193

900

2,371,000

2,845,200

237,100

47,420

67,100

80,567

6,714

1,343

• By following the recommended installation practices detailed below, the LEFM 380Ci has been approved by NMi (certificate number T10504 pipe sizes 6 inches to 42 inches).

• The meter meets the performance requirements of OIML R137 Class 0.5 and ISO 17089 Class 1.

• The accuracy specifications for the meter following calibration are as follows:

Linearized meter factor less than or equal to +/- 0.1% of measured value relative to calibr ati on facility (between Qt and Q

max)

Linearized meter factor less than or equal to +/- 0.2% of measured value relative to calibration facility (between Q

min

and Qt)

Table 2.2 Flow Ranges for the 3xxCi Meter

Pipe Size

max

overrange

min

overrange

min

Section 2 Page 17 August 2017

LEFM 3xxCi User Manual IB1406 Rev 12

380Ci Upstream Condition Requirements for Calibrated Meters (Pipe Sizes ≥ 6 in.)

To meet the requirements of the Measurement Instruments Directive (Directive 2004/22/EC) and OIML R137, one of the following installation configurations must be used:

Inlet piping configuration No. 1: 5D

o Measuring installations using the LEFM 380Ci with 5 diameters or more of straight pipe upstream

(without a flow conditioner) and 3 diameters downstream are suitable for accuracy class 0.5 and accuracy class 1.0 in piping arrangements that cause only mild disturbances excluding expanders where the upstream pipe is smaller than the meter diameter. Examples of permitted pipe arrangements upstr e a m of the 5 diameters are bends, tees and reducers, including single bends and out-of-plane combinations.

Inlet piping configuration No. 2: 10D

o Measuring installations using the LEFM 380Ci with 10 diameters or more of straight pipe

upstream (without a flow conditioner) and 3 diameters downst r eam ar e suitable for accuracy class 0.5 and accuracy class 1.0 in piping arrangements that cause only mild disturbances including expanders where the upstream pipe is smaller than the meter diameter. Examples of permitted pipe arrangements upstream of the 10 diameters are bends, tees, expanders, and reducers, including single bends and out-of-plane combinations.

Inlet piping configuration No. 3: 15D

o Measuring installations using the LEFM 380Ci with 15 diameters or more of straight pipe

upstream (without a flow conditioner) and 3 diameters downstream are suitable for accuracy class 1.0 in piping arrangements that cause severe disturbances including combinations of outof-plane bends in combination with partial blockage of the pipe. An exampl e of a sever e disturbance would be a 50% open gate valve installed between out-of-plane bends.

Inlet piping configuration No. 4: 15D (with flow conditioner)

o Measuring installations using the LEFM 380Ci with 15 diameters or more of straight pipe

upstream inclusive of a flow conditioner with its inlet located 10 diameters from the meter, and with 3 diameters downstream are suitable for accuracy class 0.5 and accuracy class 1.0 in piping arrangements that cause severe disturbances including combinations of out-of-plane bends in combination with partial bl o c kage of t he pipe. An example of a severe disturbance would be a 50% open gate valve installed between out-of-plane bends.

For all above configurations, the internal diameter of the pipe sections must be the same as the inlet and outlet diameter of the meter. The pipe sections shall be considered identical if their diameters differ by no more than 3%. For unidirectional flow, the temperature sensor well should be installed downstream of the meter. The distance from the downstream flange face to the temperature sensor well should be between 2 and 5 internal diameters. For bi-directional flow installations, temperature sensor well should be located at between 3 and 5 diameters from the flange of the meter.

340Ci Upstream Condition Requirements for Calibrated Meters (Pipe Sizes ≥ 6 in.)

To meet the requirements of the Measurement Instruments Directive (Directive 2004/22/EC) and OIML R137, one of the following installation configurations must be used:

Section 2 Page 18 August 2017

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