Badger Meter Vortex VN2000 Manual de usuario

VN2000 Flow Meters

Compact Insertion Meter

VRX-UM-02218-EN-05 (August 2018) User Manual

VN2000 Flow Meters, Compact Insertion Meter

VRX-UM-02218-EN-05Page ii August 2018

CONTENTS

Purpose of this Document. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

Unpacking and Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

Safety Symbol Explanations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Product Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

Principles of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

Sensor Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Calibration Factor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Installing a VN2000 Meter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Preinstallation Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Installation Procedure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Wiring a Remote Transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Specications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

VNC O-Ring Kit PN VNA-RNG-VNC Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Part Number Conguration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Metric Pipes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Purpose of this Document

Page 3August 2018 VRX-UM-02218-EN-05

PURPOSE OF THIS DOCUMENT

The purpose of this document is to provide you with an overview of the installation and wiring of the VN2000 Compact

Insertion Meter. For information on basic configuration, see the VN2000 Transmitter User Manual supplied with the meter or

download the manual at www.badgermeter.com.

MPORTANTI

Read this manual carefully before attempting any installation or operation.

Keep the manual in an accessible location for future reference.

UNPACKING AND INSPECTION

Upon opening the shipping container, visually inspect the product and applicable accessories for any physical damage such

as scratches, loose or broken parts, or any other sign of damage that may have occurred during shipment.

OTE:NIf damage is found, request an inspection by the carrier’s agent within 48 hours of delivery and file a claim with the

carrier. A claim for equipment damage in transit is the sole responsibility of the purchaser.

Storage

If the meter is not scheduled for installation soon after delivery and must be stored:

• After inspection, re-pack the meter into its original packing.

• If the meter being stored has been previously installed, remove all process fluids and corrosives.

• Store in a clean, dry site free of mechanical vibration, shock and chemical corrosives.

SAFETY

Safety Symbol Explanations

DANGER

INDICATES A HAZARDOUS SITUATION, WHICH, IF NOT AVOIDED IS ESTIMATED TO BE CAPABLE OF CAUSING DEATH OR

SERIOUS PERSONAL INJURY.

INDICATES A HAZARDOUS SITUATION, WHICH, IF NOT AVOIDED COULD RESULT IN SEVERE PERSONAL INJURY

OR DEATH.

INDICATES A HAZARDOUS SITUATION, WHICH, IF NOT AVOIDED IS ESTIMATED TO BE CAPABLE OF CAUSING MINOR OR

MODERATE PERSONAL INJURY OR DAMAGE TO PROPERTY.

Safety Precautions

IF THE EQUIPMENT IS USED IN A MANNER NOT SPECIFIED BY THE MANUFACTURER, THE PROTECTION PROVIDED BY

THE EQUIPMENT MAY BE IMPAIRED.

Product Label

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PRODUCT LABEL

Figure 1: VN2000 meter label

INTRODUCTION

The VN2000 Compact Insertion Vortex Flow Meter measures the volumetric flow rate, mass flow rate or BTU/energy of

steam, gas or liquids over a large flow range. The meter is a heavy duty design engineered to stand up to the most abusive

environments inside and outside the pipe.

Principles of Operation

An everyday example of a vortex shedding phenomenon is a flag waving in the breeze: the flag waves due to the vortices

shed by air moving across the flagpole. Within the flow meter, as flowing fluid moves across the tiny strut or “bluff bar”,

vortices are shed on a smaller scale. The frequency of the vortices shedding is proportional to the fluid velocity.

Through the use of an internal RTD, the flow meter software compensates for changes in temperature, to achieve an accurate

mass flow measurement.

FLOW

Small Strut Shed Vortices

Dual

Piezo-

electric

Sensors

Figure 2: Vortex shedding

Sensor Operation

Two piezoelectric pressure-sensing crystals are mounted internally in the insertion vortex meter in proximity to the

vortex-generating element, called the shedder bar. Two sensors sense the vortex signals. The crystals convert the pressure

pulses created by the vortices into voltage signals without the need of excitation current or voltage. The sensor crystals are

never in contact with the fluid. The piezo crystals are encapsulated in a stainless steel module.

Calibration Factor

The frequency at which vortices are shed is a linear function of fluid velocity, and therefore, a measure of flow. In the range

covered by the particular flowmeter, vortex frequency is insensitive to specific gravity, viscosity, and temperature of the fluid,

and depends only upon the width (d) in inches and shape of the flow element, and the inside diameter (D) of the pipeline

in inches.

The frequency is F = SV/d

Where:

F = Karman vortex frequency

S = constant (Strouhal Number)

V = fluid velocity at the flow element

D = face width of the element

Installing a VN2000 Meter

Page 5August 2018 VRX-UM-02218-EN-05

INSTALLING A VN2000 METER

The Badger Meter VN2000 Insertion Vortex Meter is designed to operate under a wide variety of conditions. To ensure its

longevity of operation, precautions should be taken before and during its installation.

Preinstallation Considerations

Selecting the Installation Site

The meter requires a minimum of 10 straight diameters upstream and 5 straight unobstructed diameters of downstream

piping. One diameter is equal to the internal pipe diameter. This is necessary to ensure regulated formation of vortices.

• Choose a site with minimal mechanical vibrations.

• Do not install the transmitter and cables in close proximity with large transformers, arc-welding equipment, large electric

motors, or similar industrial equipment that emits excessive electromagnetic interference

• Avoid areas of extreme temperature change. The signal conditioner works ideally between temperatures of 32…140° F

(0…60° degrees C ).

• Avoid areas of high humidity or corrosive atmosphere, where possible.

• When installing the meter, choose a site that is accessible and allows ease of wiring and maintenance.

Piping Guidelines

Straight Run Piping Requirements Upstream Pipe Diameters Downstream Pipe Diameters

One 90° elbow before flow meter 10 5

Two 90° elbows before flow meter 15 5

Two 90° elbows out of plane before flow meter 30 5

Reduction before flow meter 10 5

Regulator, valve or header before flow meter 30 5

Tee connection before flow meter 30 5

Table 1: Piping requirements

If the minimum straight run is not possible, install the meter with 80% of the straight run upstream and 20% downstream.

To provide the high accuracy of flow measurement specified on the identification sheet, piping and installation instructions

must be followed carefully.

• The pipe immediately upstream and downstream of the flow meter must be straight, of sufficient length and free of

obstructions. See Table 1 for exact dimensions.

• If recommended piping cannot be found, use straightening vanes on vortex meters.

• Locate any valves downstream of the meter.

• Before installing the meter, make sure nothing (such as weld beads or flange gaskets) protrudes from the internal wall of

the pipe that could interrupt the flow stream and affect the reading.

Temperature Taps

For BTU/Energy Meters: Install temperature transducers in accordance with the manufacturer’s specifications and

2.5…3.5 diameters from the downstream side of the meter body.

Orientation

The VN2000 insertion meter uses dual piezoelectric sensing elements with no moving parts. This eliminates wear and allows

for vertical or horizontal pipe installation. For vertical pipes, the meter can be located in any position.

For horizontal pipe orientations, install the meter above the centerline of the pipe. To prevent condensate from running

into the mounting assembly or pipe assembly, mount the flow meter at 0…80° off of the top center of the pipe. For high

temperature applications, avoid mounting the transmitter over the pipe to keep it out of the path of heat rising from the pipe.

Insulate all pipes surrounding the meter.

Installing a VN2000 Meter

Page 6 August 2018VRX-UM-02218-EN-05

Installation Procedure

The flow meter is shipped completely assembled, tested and ready to install and operate in its permanent location.

Prepare the Pipe

These instructions assume the pipe has been fitted with a user-provided Weldolet and the provided mounting assembly

welded over a 1-1/2 in. hole.

1. Make sure the insertion bar is removed from the mounting assembly before welding.

2. Position the 1-1/2 in. Weldolet over a 1-1/2 in. hole in the pipe. Make sure the Weldolet is level to the pipe and the arrow.

3. Weld the Weldolet over the hole. Make sure it is centered exactly over the hole.

4. Insert the mounting assembly into the Weldolet. Turn the mounting assembly until the arrow is pointing directly down the

pipe in the direction of the ow.

5. Tack, then weld the mounting assembly to the Weldolet. Make sure the mounting assembly is welded completely around

into the Weldolet to prevent leaking.

6. Weld the mounting assembly evenly in place over the Weldolet.

MPORTANTI

There is a sensor mounted on the end of the insertion probe. Do not stand the meter on its end. Be careful not to hit or push this end,

or damage to the sensor may occur.

FLOW

Sensing element

Weldolet

Figure 3: Calculate insertion depth

Install the Meter

1. The O-rings on the meter are greased with a non-petroleum product (silicone synthetic grease ONLY). Please check to

see that grease has not been removed due to packing and shipping. If there is minimal grease on O-rings, they must be

re-greased before inserting into mounting assembly. Use at least one to two full packets of high temperature silicone

synthetic grease on the O-rings before inserting the ow meter. Make sure the grease is evenly spread on all around

O-rings and surrounding locations.

2. Insert the probe into the hole in the mounting assembly. Push hard until the meter bottoms out inside the

mounting assembly.

3. Rotate the probe until the notch in the probe aligns with the hole in the mounting assembly. You should see a complete

hole through the mounting assembly before installing the alignment pin.

MPORTANTI

You must make sure the alignment hole is completely clear with no O-rings showing. If O-rings are showing, do not insert the

alignment pin because the pin may cut the O-rings and eventually cause leaking.

Wiring a Remote Transmitter

Page 7August 2018 VRX-UM-02218-EN-05

4. Rotate the bar until the cutout in the bar lines up with the hole in the mounting assembly and screw down the mounting

assembly nut..

5. Insert the alignment pin completely through the mounting assembly and lock it in place before applying pressure to the

pipe line.

OTE:NThe pin can only be inserted with no pressure in the line and is automatically locked under pressure. This is a safety

feature that eliminates the accidental removal of the pin and the insertion bar under pressure. The mounting

assembly nut will also provide another safety feature that will not allow the meter to come out of the pipe.

When the alignment pin has been inserted, the flow meter finds the precise insertion depth and aligns the vortex element

into the stream of flow.

WIRING A REMOTE TRANSMITTER

To wire remote electronics, use the supplied cable with the multi-pin connectors. The cable is a double-sided, molded

cordset with a single-keyway, threaded connection. The cable ends are the same. See the VN2000 Transmitter user manual for

instructions on installing, wiring and troubleshooting the transmitter.

MPORTANTI

Do not hook up electronics with the power on.

TROUBLESHOOTING

Screen is blank (No display) Verify that you have 24V DC.

Verify that power polarity is correct (Black +24V DC & Blue -24V DC).

Screen shows no flow rate

during flow

Press Menu until you see Low Flow Cutoff. Lower this number until you can see a flow rate.

Check to make sure the arrow in the mounting assembly is pointing down the pipe in the

direction of the flow.

Flow rate is erratic Check to see what is installed upstream of the flow meter. Other instruments or devices

before the flow meter can shed vortices of their own causing a disruption in flow reading.

Check to see what size hole is drilled into the pipe for insertion. If an existing hole larger

than 1.5 inch was used, the larger hole can create turbulence directly above the flow sensor.

Flow rate seems incorrect Review the program settings and make sure the correct line size is chosen for your

application. If this is a multi-variable MASS unit, make sure the correct pressure and

temperature is being displayed on the screen. If this is a fixed MASS unit, make sure the

correct operating pressure is entered into the electronics for calculations.

Table 2: Troubleshooting

Specications

Page 8 August 2018VRX-UM-02218-EN-05

SPECIFICATIONS

Uncertainty

Volumetric Flow Repeatability

Liquids ±1.0% of reading ±0.25% of reading

Steam ±1.0% of reading ±0.25% of reading

Gas ±1.0% of reading ±0.25% of reading

Mass or Heat Flow Repeatability

Liquids ±1.0% of reading ±0.25% of reading

Steam ±1.0% of reading ±0.25% of reading

Gas ±1.0% of reading ±0.25% of reading

Velocity – Liquid 1.32…32 ft/s (0.402…9 m/s)

Velocity – Gas cube root (140/ρ) ft/s… 300 ft/sec (91 m/sec)

Reynolds Range 10,000…7,000,000 depending on fluid density

Straight Run Pipe Upstream 10 diameters; downstream 5 diameters with one 90° elbow before the meter

Pipe sizes 2…24 in. (50…1200 mm)

Fluid temperature –250…400° F (–120…204°C)

Maximum Pressure 1000 psi (68.9 bar)

Wetted Materials Stainless steel 304L

Connections 1-1/2 in. carbon steel mounting assembly

Sealing assembly: Two ethylene propylene O-rings

Measurement Options Sensors

Volumetric flow rate Dual piezo vortex sensors

Mass flow rate based on

velocity and temperature

Dual piezo vortex sensors

RTD embedded in sensor: 100 Ohm, 3 wire

BTU/Energy

Dual piezo vortex sensors

RTD embedded in sensor: 100 Ohm, 3 wire

External 100 Ohm RTD input

Units of measure

Steam Gases Liquids Energy (Any Fluid)

Pounds Pounds Pounds BTU

Kilograms Kilograms Kilograms

Tons Tons Tons

Metric Tons Metric Tons Metric Tons

Cubic Feet Cubic Feet Cubic Feet

Cubic Meters Actual Cubic Feet Cubic Meters

Gallons Natural Cubic Meters Gallons

Liters Actual Cubic Meters Liters

U.S. Gallons

Natural Liters

Actual Liters

Units of measure are used for flow rate, mass flow rate, heat/energy flow rate; volume total, mass total, heat/energy total

Measurement interval Second, minute, hour, day

Table 3: Specifications

PARTS LIST

If the meter was installed, then removed, replace the O-rings before reinstalling the meter. Instructions are included with the

O-Ring Replacement Kit.

VNC O-Ring Kit PN VNA-RNG-VNC Contents

O-ring, ethylene propylene with 90 durometer (quantity 2) 22650-078

Silicone grease 68559-001

Table 4: Parts list

Part Number Conguration

Page 9August 2018 VRX-UM-02218-EN-05

PART NUMBER CONFIGURATION

- - - - - - - - - - -

Model

VN2000 Compact Insertion Vortex Meter Kit VC

Pipe Line Size (used for meter configuration only)

2 inch A020

3 inch A030

4 inch A040

5 inch A050

6 inch A060

8 inch A080

10 inch A100

12 inch A120

14 inch A140

16 inch A160

18 inch A180

20 inch A200

22 inch A220

24 inch A240

Material

Stainless Steel, Commercial C

Mounting Assembly Kit

Standard

Process Temperature & Pressure

Standard S

Certification

None W

Measurement

Volumetric flow rate V

Mass flow, temperature T

Heat energy/BTU (not available for sensor replacement) 2E

Transmitter Type

Integral, 24V DC E

Remote, 24V DC F

Cable Length

None (integral/meter mount or replacement sensor)

10 feet/3 m (remote transmitter) 3

30 feet/9m (remote transmitter) 3AF

Fluid & Pipe Type

Liquid-Chilled (not available with Measurement option V) C

Liquid-Heating (not available with Measurement option V) H

Liquid (available with Measurement option V only) L

Steam S

Gas G

Display

Standard S

Communication/Output

4-20 mA and Pulse Output S

Modbus RTU M

BACnet MS/TP B

Testing & Tagging

Standard Testing G

1.) Includes weldable outlet and mounting assembly with pin

2.) One internal temperature sensor and one external temperature sensor

3.) Specify cable length from sensor to transmitter. Transmitter power 10 foot cable included.

Part Number Conguration

Page 10 August 2018VRX-UM-02218-EN-05

Metric Pipes

- - - - - - - - - - -

Model

VN2000 Compact Insertion Vortex Meter Kit VC

Pipe Line Size (used for meter configuration only)

50 mm D050

80 mm D080

100 mm D100

150 mm D150

200 mm D200

250 mm D250

300 mm D300

350 mm D350

400 mm D400

450 mm D450

500 mm D500

550 mm D550

600 mm D600

Material

Stainless Steel, Commercial C

Mounting Assembly Kit

Standard

Process Temperature & Pressure

Standard S

Certification

None W

Measurement

Volumetric flow rate V

Mass flow, temperature T

Heat energy/BTU (not available for sensor replacement)

Transmitter Type

Integral, 24V DC E

Remote, 24V DC F

Cable Length

None (integral/meter mount orreplacement sensor)

10 feet/3 m (remote transmitter) 3

30 feet/9m (remote transmitter) 3

Fluid & Pipe Type

Liquid-Chilled (not available with Measurement option V) C

Liquid-Heating (not available with Measurement option V) H

Liquid (available with Measurement option V only) L

Steam S

Gas G

Display

Standard S

Communication/Output

4-20 mA and Pulse Output S

Modbus RTU M

BACnet MS/TP B

Testing & Tagging

Standard Testing G

Includes weldable outlet and mounting assembly with pin.

One internal temperature sensor and one external temperature sensor.

3Specify cable length from sensor to transmitter. Transmitter power 10 foot cable included.

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