Badger Meter Oval Gear EPM2-STD Manual de usuario

Electronic Preset Meter

Model EPM2-STD, Standard Series

AUT-UM-00933-EN-07 (April 2021) User Manual

Electronic Preset Meter, Model EPM2-STD, Standard Series

AUT-UM-00933-EN-07

CONTENTS

Scope of this Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

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

Warning Symbol Explanation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

Meter Buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

LCD Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Meter Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Relieve System Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Grounding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Flushing Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Attach Meter to Hose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Attach Nozzle to Meter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Meter Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Manual Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Auto Batch Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Operating Mode Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Accumulated Total and Resettable total . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Emergency Override . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Low Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Change Factory Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Verify Firmware Version. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Enter Programming Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Calculate Scale Factor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Specications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

Parts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Page ii April 2021

AUT-UM-00933-EN-07

Scope of this Manual

SCOPE OF THIS MANUAL

This manual describes how to install, calibrate and operate an Electronic Preset Meter. Read this manual before attempting

any installation of the meter. Keep this manual available for future use.

SAFETY

Warning Symbol Explanation

Indicates a hazardous situation, which, if not avoided, will result in death or serious personal injury.

WARNING Indicates a hazardous situation, which, if not avoided, could result in death or serious personal injury.

Indicates a hazardous situation, which, if not avoided, could result in minor or moderate personal injury or

damage to property.

Warnings

WARNING

IMPROPER GROUNDING, POOR VENTILATION, OPEN FLAMES OR SPARKS CAN CAUSE A HAZARDOUS CONDITION AND

RESULT IN AN EXPLOSION OR FIRE AND CAUSE SERIOUS INJURY.

• Make sure the fluid system is properly grounded.

• If there is static sparking or if you feel an electric shock while using the meter, stop dispensing immediately. Identify and

correct the problem before continuing.

• Provide fresh air ventilation. This will avoid the buildup of fumes from the fluid being dispensed.

• Do not smoke while dispensing flammable fluids.

• Keep the dispensing area free of debris including solvents, rags and spilled gasoline.

WARNING

EQUIPMENT MISUSE CAN CAUSE THE METER TO RUPTURE OR MALFUNCTION AND CAUSE SERIOUS INJURY.

• This equipment is for professional use only.

• Read all instructions, tags and labels before operating the equipment.

• Use the equipment only for its intended purpose.

• Do not modify or alter the equipment.

• Do not leave equipment unattended while dispensing.

• Check equipment daily. Repair or replace worn or damaged parts immediately.

• Do not exceed the maximum working pressure level of the lowest rated system component.

• Use only extensions and nozzles that are designed for use with this equipment.

• Use only fluids and solvents that are compatible with the equipment. Read all fluid and solvent manufacturer’s warnings.

• Tighten all fluid connections before operating this equipment.

• Do not stop or deflect leaks with hands, body, gloves or rags.

• Do not dispense towards any person or any part of the body.

• Do not place hands or fingers over the end of or into the dispense valve.

• Comply with all local, state, and federal fire, electrical and safety regulations.

• Use of this product in a manner other than specified in this manual may result in impaired operation or

damage to equipment.

WARNING

THIS METER IS DESIGNED SPECIFICALLY TO DISPENSE PETROLEUM PRODUCTS. DO NOT USE FOR ANTIFREEZE

(ETHYLENE GLYCOL) SOLUTION, WINDSHIELD WIPER FLUID, BRAKE FLUID OR WATER BASED SOLUTIONS

Page 3April 2021

AUT-UM-00933-EN-07

Meter Buttons

METER BUTTONS

Used to enter the batch quantity to be dispensed.

Used to display the accumulated total of fluid dispensed as well as the

resettable total during Auto Batch and Manual mode.

Used to enter and exit the Manual or Auto Batch mode.

• Used in Manual mode to clear the dispensed quantity.

• Used in Auto Batch mode to clear the dispensed quantity and reset

the meter for the next batch.

• Used to reset the resettable total dispensed while pressing the

TOTAL button.

Used to activate Emergency Override, which stops the flow.

Figure 1: Meter Buttons Table 1: Button locations and descriptions

LCD DISPLAY

1. Displays Resettable Total, Accumulated Total and Scale Factor.

2. Displays Unit of Measure.

3. Not used.

4. Displays preset batch quantity.

5. Not used.

6. Indicates that the unit is in Auto Batch mode.

7. Indicates that the unit has a low battery.

Table 2: LCD display description

Figure 2: LCD Display

METER INSTALLATION

Relieve System Pressure

WARNING

THIS EQUIPMENT STAYS PRESSURIZED UNTIL THE PRESSURE IS MANUALLY RELIEVED.

To reduce the risk of injury from fluid spray from the meter, whenever you:

• Are instructed to relieve pressure.

• Stop dispensing.

• Check, clean or service any system equipment.

• Clean or install nozzles.

Follow this procedure:

1. Turn o the power supply to the pump or close the shuto valve.

2. Dispense any uid in the system into a waste container by opening the meter.

3. Open all bleed-type master air valves and the uid meter in the system.

4. Leave the meter open until ready to pressurize the system.

Page 4 April 2021

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Meter Installation

Grounding

WARNING

THE DISPENSING SYSTEM MUST BE GROUNDED TO PREVENT STATIC SPARKS AND RESULTING EXPLOSIONS.

Movement of fluids through the dispensing system can create static electricity which can cause static sparks. Static sparks

can ignite volatile fumes, causing an explosion and fire. Grounding reduces the risk of static sparking. Ground all system

components according to local, state and federal codes.

• Pump: follow manufacturer's recommendations

• Air and Fluid Hoses: use only grounded hoses

• Air Compressor: follow manufacturer's recommendations

• Fluid Supply Container: follow the local code

Flushing Procedure

IF THIS INSTALLATION IS NEW OR IF THE FLUID IN THE LINES IS CONTAMINATED, FLUSH THE SYSTEM BEFORE

INSTALLING THE METER(S).

OTE:NIf the system has multiple dispense positions, begin at the position farthest from the pump and move towards

the pump.

1. Close uid dispense valves at every position. Once the main uid outlet valve at the pump is closed and the air pressure to

the pump motor is properly adjusted, the air valve is opened.

2. Slowly open the main uid valve.

3. Place the hose end in a waste container. Make sure the hose is secure so no uid leaks during ushing.

4. Slowly open the dispense valve and allow enough uid to pass through it to be sure that the system is clean.

5. Close the dispense valve.

6. Repeat this process for all dispense positions.

Attach Meter to Hose

Close the drain valve before starting this procedure.

1. Attach swivel to meter. Apply Loctite® 243 sealant, or equivalent, to the male end of the

hose (Figure 3).

OTE:NThe threaded end of the meter always has female threads. The metal end of the

hose must have male threads. The inlet and outlet swivel connections are either

1/2 inch NPT or 1/2 inch BSPP, depending on the meter model.

Figure 3: Apply thread sealant

2. Insert the metal end of the hose into the swivel (Figure 4).

Figure 4: Insert hose into swivel

Page 5April 2021

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Meter Operation

3. Tighten completely with an open-ended, adjustable wrench (Figure 5).

Figure 5: Use wrench to tighten

Attach Nozzle to Meter

1. Apply Loctite 243 sealant, or equivalent, to the end of the nozzle.

2. Thread the nozzle onto the opposite end of the meter where the hose is installed

(Figure 6).

Figure 6: Thread nozzle onto meter

3. Screw the nozzle in tightly with an open-ended, adjustable wrench (Figure 7).

4. Open all dispense position shuto valves.

5. Start the pump to pressurize the system.

6. Before use, purge all air from the uid lines and dispense valve(s). Failure to do this can

result in inaccurate measurement.

Figure 7: Tighten nozzle with wrench

METER OPERATION

OTE:NThe keypad AUTO button is used to toggle between Manual and Auto Batch mode. If liquid has been dispensed, press

RESET to set the meter back to zero before pressing AUTO.

Manual Mode

In Manual mode, the meter operates as a free-flow dispensing handle.

1. Pull the trigger and hold to dispense the uid. How far the trigger is pulled determines

the speed of ow. The display shows the amount dispensed.

2. Release the trigger to stop the ow when the desired amount has been dispensed.

3. Press RESET once to reset the counter display to zero.

Figure 8: Manual mode screen

Page 6 April 2021

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Operating Mode Functions

Auto Batch Mode

Auto Batch mode allows you to program a batch size, then dispense it with a pull of the trigger. When in Auto Batch mode, the

AUTO icon displays in the lower left of the LCD screen and the batch quantity displays in the lower right.

1. Press AUTO to enter Auto Batch from Manual mode.

2. Change the batch size by pressing 10,1, and 0.1.

◊ Press 10 to increase the batch amount in increments of 10 units.

◊ Press 1to increase the batch amount in increments of 1 unit.

◊ Press 0.1 button to increase the batch amount in increments of 0.1 unit.

OTE:NWhen the numbers reach a value of 9 and the button is pressed again, they roll

over to 0, but do not add a number to the column to the left. The maximum batch

size is 99.9.

Auto Batch Size

Auto Icon

Figure 9: Auto batch mode display

3. Fully pull the trigger and release to begin the ow. There is a click sound that indicates that the solenoid valve in the meter

has automatically locked the dispensing valve in the full open position. The ow automatically shuts o after the batch

quantity has dispensed, and another click sound can be heard.

OTE:NIf a different amount than the batch size is dispensed, see "Change Scale Factor" on page9.

In case of an emergency or to interrupt a batch, the meter is equipped with an Emergency Override.

See "Emergency Override" for instructions.

If the meter loses flow or is disconnected, the valve will automatically close. Once it is reconnected, you can resume

flow by pulling the trigger.

4. Press RESET when nished. The display resets and the meter is ready for the next batch to be dispensed.

OTE:NAfter the batch quantity has been dispensed, the meter is a free-flow dispensing handle until the reset button is

pressed, and can be operated as if in manual mode. See "Manual Mode" on page6 for instructions.

OPERATING MODE FUNCTIONS

These functions operate the same in Manual mode and Auto Batch mode.

Accumulated Total and Resettable Total

The meter has two flow totalizers, the accumulated total and resettable total. The accumulated total is the total fluid

dispensed. The resettable total (RESETTOTAL) is the total fluid dispensed since it was last reset.

1. Press and hold TOTAL to display the totals. The display switches between both totals

every few seconds while the buttons are held.

2. Press RESET while viewing RESETTOTAL (Figure 10) to set it back to zero.

3. Release TOTAL to return to the operating screen.

OTE:NThe accumulated total cannot be reset unless the user changes from English

to metric units or from metric to English units. See "Change Unit of Measure" on

page9 for instructions. Figure 10: RESETTOTAL screen

Emergency Override

In case of an emergency or to interrupt a batch, the meter is equipped with an Emergency Override which closes the

dispensing valve, immediately stopping fluid flow. Press Oto activate the Emergency Override. You can pull the trigger

afterwards to resume flow.

Error Codes

The meter has one error code that may display:

SF0 (Scale Factor 0) The Scale Factor setting for the meter is set to 0.000.

The code indicates that there is a communication error between the meter and the keypad. To correct the error, follow the

instructions in "Change Scale Factor" on page9 to input a valid Scale Factor. All other error codes are for factory purposes

only. To clear the meter, press RESET.

Page 7April 2021

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Service

SERVICE

Low Battery

When the batteries need to be changed, a progression of warnings appears on the meter

screen. First, the Low Battery icon appears on the display, indicating the batteries are

getting low and should be changed. When the icon begins to flash, battery power is too

low and meter functions are disabled.

Figure 11: Low battery icon

Changing the Batteries

The battery compartment is located in the lower case on the underside of the

trigger guard.

1. Turn the unit face down.

2. Unscrew the two screws and remove the battery door to expose the batteries.

3. Replace the old batteries. The meter takes four AA, alkaline batteries. Battery polarity

markings are inside the battery compartment.

4. Dispose of used batteries properly, according to local regulations.

OTE:NChanging the batteries does not affect any of the programmed values or totals.

Figure 12: Replacing the batteries

CHANGE FACTORY SETTINGS

Each meter is calibrated at the factory for use with motor oil. See "Change Scale Factor" on page9. The Unit of Measure is

also selected prior to shipment.

Verify Firmware Version

Display the firmware version and code checksum by pressing and holding TOTAL and then pressing and holding 1. The last

two digits on the lower right are the firmware version. Meters with version 16 or higher use the procedure outlined in this

manual for changing the unit of measure, scale factor and enabling or disabling the EPM functionality.

Enter Programming Mode

1. Press and hold TOTAL and AUTO simultaneously. After a few seconds, PrG appears on

the display.

2. Release the buttons.

3. Press and release these buttons in order: 1, AUTO, 10, 0.1, and TOTAL.

4. The current unit of measure ashes, indicating that you have entered programming

mode.

Figure 13: Entering programming mode

Page 8 April 2021

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Change Factory Settings

Change Unit of Measure

OTE:NWhen Programming mode is entered, the current unit of measure flashes.

1. Press TOTAL to cycle through the four options; PT, QT, GAL, L.

2. When the correct unit of measure is displayed, press RESET to select it. The unit of

measure stops ashing and the rst number of the Scale Factor starts ashing.

OTE:NIf L (liters) is selected, the decimal point begins to flash. Press TOTAL to toggle

between decimal and comma. Press RESET to select it and continue to the

Scale Factor.

If no scale factor changes are necessary, see "Save Changes" If they are needed, continue to

"Change Scale Factor"

Unit of Measure

Scale Factor Digits

Figure 14: Unit of measure display

CHANGING THE UNIT OF MEASUREMENT FROM METRIC TO ENGLISH OR FROM ENGLISH TO METRIC CLEARS THE

RESETTABLE TOTAL AND ACCUMULATED TOTAL.

Change Scale Factor

WARNING

CHANGING THE SCALE FACTOR CHANGES THE ACCURACY OF THE METER, POTENTIALLY CAUSING IT TO OVERFILL OR

UNDER FILL. THIS HAS THE POTENTIAL TO CAUSE A MECHANICAL BREAKDOWN.

1. Press TOTAL to change the selected number.

OTE:NAll digits can be scrolled between 0 and 9 except the first. It can only be toggled

between 0 and 1.

2. Press RESET to advance to the next digit in the scale factor.

3. Repeat for all ve digits.

Scale factor digits

Figure 15: Scale factor display

Save Changes

To save changes and exit programming mode:

1. Press and hold TOTAL and AUTO simultaneously. The display ashes three times and goes blank.

2. Release the buttons, then press RESET and the display turns back on.

Verify Changes

1. Verify that the unit of measure is correct.

2. Press and hold TOTAL and then AUTO to verify that the scale factor is correct.

Calculate Scale Factor

A scale factor is a number used to adjust meter accuracy. The scale factor is set at the factory using motor oil with a viscosity

of 10w. The primary use for scale factor recalibration is to batch fluids with different viscosities. If the fluid has a different

viscosity, the scale factor must be changed to accurately measure it. The meter multiplies each pulse by the scale factor to

correct the accuracy when it converts to the specified units. For an approximate scale factor for fluids of different viscosities,

see "Chart of Approximate Scale Factors" on page10.

OTE:NThe meter’s original scale factor was written on the trigger when it was calibrated at the factory. It may have been

revised after field installation. Use the scale factor shown on the display, not on the trigger.

To view the current scale factor, press and hold TOTAL and then AUTO.

Page 9April 2021

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Dimensions

Absolute Scale Factor

For absolute scale factor, perform this test:

1. Run a batch through the meter.

2. If the meter measures a dierent amount than the batch amount, the scale factor needs to be adjusted. For example, if you

run a 4.20 quarts batch and the display shows only 4.00 quarts, the scale factor needs adjustment.

3. Divide the amount of liquid in the batch (4.20) by what the display shows (4.00). The result is the error factor (1.05).

4. Find the current scale factor by pressing and holding TOTAL and then AUTO. For this example the current scale factor is

1.0123.

5. Multiply the current scale factor by the error factor to nd the new scale factor (1.0123 × 1.05 = 1.0629).

6. Enter the new scale factor as described in the "Change Scale Factor" on page9.

OTE:NUse the current scale factor shown on the display, not on the trigger.

Chart of Approximate Scale Factors

Fluid Viscosity Scale Factor

Automatic

Transmission Fluid

(ATF)

80 1.002

10W 140 1.000

80W-90 450 0.999

140W 1800 0.993

Table 3: Fluid viscosity and scale factor

Figure 16: Scale factors for fluids with different viscosities

DIMENSIONS

11.3 in. (287.02 mm)

A B C

11.3 in. (287.02 mm) 4.3 in. (109.22 mm) 7.0 in. (177.80 mm)

Figure 17: Meter dimensions

Page 10 April 2021

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