Committee Chair, National Type Evaluation Program Committee Issued: December 27, M Street, Suite 110 / Lincoln, Nebraska 68508

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1 Page 1 of 6 For: Retail Motor Fuel Dispenser Digital Electronic Computing Model: A(BC/DE)FG-HJK Generic Name: Helix Max. Capacity: $ Total Sale Total Volume $9.999 Total Unit Price Submitted By: Wayne Fueling Systems, LLC 3814 Jarrett Way Austin, TX Tel: Contact: Randy Moses randy.moses@doverfs.com Web site: Standard Features and Options Standard Features: Computing Capability Remote or Dispenser Controlled with Pre-pay/Post-pay/Pay-at-Pump Category 1 Wire Security Seal for Calibration Category 2 Event Counter for Blending "Gallons to Liter" Configuration Parameters igem Upper Electronics 1 to 3 Grades Unblended Product Capability 2 to 5 Grades Blended Product Capability Electronic Totalizer Metric Capability Display Back-up Backlit Sales Display Options: Point of Sale (POS) Capability Attended or Unattended Sites Sales and Volume Display Unit Price Display Preset Keypad Printer Payment Keypad Card Reader Contactless Card Reader Gem2 Upper Electronics Wayne TRAC Barcode Scanner Electro-Mechanical Totalizer Vapor Recovery Assist or Balance Credit Card Processing with or without Bar Code Scanner (Wayne Scan) Display with or without Soft Keys In-Dispenser (ID) POS Version 1.50 (or higher) This device was evaluated under the National Type Evaluation Program and was found to comply with the applicable technical requirements of NIST Handbook 44: Specifications, Tolerances and Other Technical Requirements for Weighing and Measuring Devices. Evaluation results and device characteristics necessary for inspection and use in commerce are on the following pages. *Editorial changes, not affecting the type or metrological content, corrected this certificate. James Cassidy Chairman, NCWM, Inc. Kristin Macey Committee Chair, National Type Evaluation Program Committee Issued: December 27, M Street, Suite 110 / Lincoln, Nebraska The National Conference on Weights and Measures (NCWM) does not approve, recommend or endorse any proprietary product or material, either as a single item or as a class or group. Results shall not be used in advertising or sales promotion to indicate explicit or implicit endorsement of the product or material by the NCWM.

2 Page 2 of 6 Application: For use in dispensing gasoline, ethanol flex fuel (up to E-85), diesel motor fuels, or Diesel Exhaust Fluid (DEF). Additionally, the meters can blend diesel and biodiesel up to B100 (up to 100% biodiesel) and gasoline and ethanol flex fuel (up to E-85 at attended or unattended retail service stations, and with approved and compatible equipment. Identification: The identification sticker is riveted to the upper portion of the electronic head enclosure on the outside of the dispenser. METER OPTIONS Meter Name Meter Model Number Metered Products Minimum Maximum Flow Rates imeter DM, DM1, DM2 or Global DEF, Gasoline or Gasoline Blends, Hydraulic Module (GHM) Diesel and Biodiesel (Up to B100) gpm imeter2 Xflo DM2-1 DM2-2 Xflo Gasoline or Gasoline Blends, Diesel, DEF, and Biodiesel (Up to B100) Gasoline or Gasoline Blends, ethanol flex fuel (up to E-85) or Ethanol or Gasoline Blends and Diesel gpm Single Meter or 38.4 gpm Maximum for Blending Two Meters Together gpm Model Designation: The manufacturer's model numbers are explained in the Model Main Body table below. S = Small (2000 Series) Style Design Orientation Model Main Body A(BC/DE)FG-HJK No. of Inlets No. of Grade Selects No. of Hydraulic Positions Hose Positions per Side (1) Basic Technical Features A B C D E F G H J K W= 1= 1= 1= Wide One One Meter One Hose H= H-Style (4000 or 5000 Series) N= Narrow H= High Hose L= Low Hose I= Island Oriented L= Lane Oriented M= Mirrored Hoses from Side A to B U= Un-mirrored Hoses from Side A to B 1= One Inlet Two Inlets Three Inlets Four Two Three Four 5= Five Two Meters Three Meters Four Meters Two Hoses Three Hoses Four Hoses B=Biodiesel D=DEF E=Ethanol F=Fleet K=E25 and B100 H=High Capacity M=Media P=Payment R=Remote S=Suction V=Vapor Recovery U= Four Simultaneous Fueling Points Y= Master Z=Satellite YZ=Combo Master/Satellite (1) If Hose Positions per Side column (J) is a single digit (i.e., 1, 2, 3 or 4), the model has same number of hoses on both sides of the dispenser. If two digits are present, the first digit is the number of hoses on Side A (with junction box or primary conduit) and the second digit is the number of hoses on Side B. If a zero is present in a two-digit number, it means it is a onesided dispenser. For example, 23 in this position represents 2 hoses on Side A and 3 hoses on Side B; 03 represents no hoses on Side A making it a one-sided dispenser with 3 hoses on Side B; and 20 in this position would describe no hoses on Side B making it a one-sided dispenser with 2 hoses on Side A.

3 Page 3 of 6 (2) If the number in the No. of Grade Selects column (G) is greater than the No. of Inlets column (F), the dispenser is a blender. Sealing: The dispenser has a Category 1 wire security seal for the meter, pulser, and calibration. The dispenser also has a Category 2 event counter for configuration of gallons to liters and blend ratios. The Helix Series dispenser uses the imeter [aka Model Global Hydraulics Module (GHM)] positive displacement duplex meter system or the Wayne Model Xflo positive displacement fuel meter. The Wayne Integrated Pulsers (WIP) use a wire security seal for the meter calibration window. Access to the calibration window is prevented by a metal pin, which is inserted and secured to a metal clamp. A wire security seal is attached through a hole in the pin. Each calibration window is sealed separately. The imeter, imeter2, and Xflo meters can also be sealed by a wire security seal wrapped around the calibration window of the pulser and upper part of the meter. (See Photos 1 and 2 for the imeter and Photos 3 and 4 for the Xflo). Photo 1 imeter with Hole in Pin Sealing Provision Photo 2 imeter with Wrapped Sealing Provision Photo 3 Xflo with Hole in Pin Sealing Provision Photo 4 Xflo with Wrapped Sealing Provision Category 2 Event Counter for Dispenser Indications: The Helix dispenser also uses the igem electronics for information on sealing, audit trails and blends. Blending (if applicable) and "gallons to liter conversion" configuration parameters do not have remote configuration capability and are set at the dispensers. An audit trail in the form of an event counter and a display is provided. The event counter increments once for each time one or more configuration parameters are changed. For the igem, the weights and measures audit trail is accessed by use of the

4 Page 4 of 6 hand held remote (see Photo 5). By entering the weights and measures mode, one can view the audit trail and volume metering unit change counter. Photo 5 Hand Held Remote When in the weights and measures mode, the display shows the blend ratio logs and volume metering unit logs for the dispenser. Both audit trail data and gallons to liters conversion data is obtained by use of a hand-held remote (required to be available at the station being inspected). Point the remote at the main sales display where the "totals" and "volume" values are displayed. Keep the remote within 12 inches of the main sales display for proper operation. Operation of the remote is described in Wayne Fueling Systems operation manuals for both weights and measures officials and service personnel (reference part number ). To Review the Weights and Measures Event Counter for Blending Dispensers: 1. Press ENTER and then press CLEAR twice to access the Weights and Measures mode. The sale display will show blend ratios and the current blend ratios for all the blended products. Note: If another button is not pressed within 20 seconds, the computer will toggle through the values without interaction from the remote. 2. Press NEXT repeatedly to view the following: a. Blend Ratio Change Counters b. Display Legend, Measuring Units LItErs = Liters US GAL = U.S. Gallons IP GAL = Imperial Gallons c. Volume Metering Unit Change Counter 3. To exit the Weights and Measures mode, press NEXT repeatedly until it exits. To Review the Weights and Measures Event Counter for Non-blending Dispensers: 1. Press CLEAR. 2. Read sales money display for n, where n is the unit change event counter. 3. The volume display will show the applicable unit. Press CLEAR and then press ENTER three to four times to exit the Weights and Measures mode. To access the ID POS version number, use the handheld remote and press "enter" or "clear." The version number will display on the customer interface display screen. Test Conditions: This certificate supersedes National Type Evaluation Program (NTEP), Certificate of Conformance (CC) Number A3 and is issued to update this document to allow for the new fuels used in imeter2 and to add DEF and Biodiesel to the Helix model RMFD. Testing was conducted with an Ovation Model (NTEP CC ) Retail Motor Fuel Dispenser (RMFD) at the Wayne Fueling manufacturing facility with gasoline using NIST traceable 5 gallon test measures. The Ovation model has the same upper electronics as the Helix, therefore, no additional testing was necessary on the Helix model. Previous test conditions are listed below for reference. Certificate of Conformance Number A3: This certificate superseded NTEP CC Number A2 and is issued to add the imeter2 to the Helix model RMFD. Testing was conducted with a Helix model H(N/L)22-22PR RMFD at the Wayne Fueling manufacturing facility with gasoline using NIST traceable 1 and 5 gallon test measures applying a ± 0.3% accuracy tolerance and a

5 Page 5 of delta repeatability difference. Additionally, flow rate updates were made based on the imeter, imeter2, and X-Flo meters for the Helix based on a review of test data for the flow rates tested from the Ovation Series (NTEP CC A15). Certificate of Conformance Number A2: This certificate superseded NTEP CC Number A1 and was issued to include blending ethanol fuel blends up to E-85 at the pump. Previous test information and documentation was reviewed from Wayne Fueling Systems and it is recognized that the upper electronics and X-Flo meter from the Ovation Series (NTEP CC A11) are the same as the Helix Series (NTEP CC Number A1). No additional testing was necessary Certificate of Conformance Number A1: This certificate superseded NTEP CC Number and was issued to recognize a change in the company name from Dresser Wayne to. Previous test information and documentation was reviewed. No testing was necessary. Certificate of Conformance Number : The emphasis of the evaluation was on the design, operation, performance and accuracy of the Xflo and imeters in the Helix series dispenser. The evaluation was performed on a dispenser at the manufacturer s facility. The system was tested at five 10 gpm, three 6 gpm and five 2.5 gpm flow rate for both meter models using gasoline as the product. A one-time test was conducted due to documentation provided by the manufacturer stating that all the electronics in the dispenser are the same as the Ovation Series CC A6. Evaluated By: J. Roach (CA) , A1, A2, A3, A4 Type Evaluation Criteria Used: NIST Handbook 44 Specifications, Tolerances, and Other Technical Requirements for Weighing and Measuring Devices, 2017 Edition. NCWM Publication 14 Measuring Devices, 2017 Edition. Conclusion: The results of the evaluation and information provided by the manufacturer indicate the device complies with applicable requirements. Information Reviewed By: J. Truex (NCWM) , A1, A2, A3, A4 Examples of Device:

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