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September 2013 DON ONWILER | EXECUTIVE DIRECTOR National Type Evaluation Program An Overview Don Onwiler Executive Director

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National Type Evaluation Program An Overview Don Onwiler Executive Director. First… A Disclaimer. The following is an excerpt from the NCWM Annual Report of 1908 It is merely presented as an illustration of the challenges that can exist in the marketplace - PowerPoint PPT Presentation

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Page 1: National Type Evaluation Program An Overview Don Onwiler Executive Director

September 2013DON ONWILER | EXECUTIVE DIRECTOR

National Type Evaluation Program

An Overview

Don OnwilerExecutive Director

Page 2: National Type Evaluation Program An Overview Don Onwiler Executive Director

NTEP Overview

First… A Disclaimer

2

• The following is an excerpt from the NCWM Annual Report of 1908

• It is merely presented as an illustration of the challenges that can exist in the marketplace

• The presentation of this passage is in no way meant to demean any particular ethnic culture

Page 3: National Type Evaluation Program An Overview Don Onwiler Executive Director

NTEP Overview

1908 NCWM Annual Report

3

Mr. REICHMANN. The truth is that when there is no inspection the Dealers, especially the small dealers, are always looking to get the cheapest thing they can get, and of course unscrupulous manufacturers are encouraging them. They will take a scale of a certain make and use it as a pattern to cast something that looks like a scale. I know that they are selling in New York a certain type of scale at $9 a dozen. You take any standard make of scale of this type, you can buy none of them at that price. And what is the result?

Page 4: National Type Evaluation Program An Overview Don Onwiler Executive Director

NTEP Overview

Continued

4

It is just as I saw illustrated in the city of Rochester last summer, where they take a casting and merely dip it into paint. It is just like watered stock. A man was selling a scale at $1.65, one of the bearings of which had broken off because the iron had chilled. The dealer said, “That is all right; it acts just as well with three bearings as it does with four." Now, the innocent buyer could find no difference as far as the appearance of the scale was concerned; the buyer does not know anything about it. The average dealer in groceries has no technical knowledge of scales.

Page 5: National Type Evaluation Program An Overview Don Onwiler Executive Director

NTEP Overview

Continued

5

 Mr. PETTIS. You will not find that situation in American

groceries; you will always find that among foreigners-the _______s. It is particularly the _______s who buy these cheap scales. They pay only 90 cents for a scale.

Page 6: National Type Evaluation Program An Overview Don Onwiler Executive Director

NTEP Overview

How it Began

6

• By 1915 we had model standards for weighing and measuring devices

• By1967 there were various type evaluation regulations in place, including;• 14 states• 2 cities• 1 county

Page 7: National Type Evaluation Program An Overview Don Onwiler Executive Director

NTEP Overview

Why programs created type evaluation requirements

7

• Type Evaluation was to provide assurance of;

• Handbook 44 compliance• Permanence

• Certification served as a revocable “permit” to access the market within a jurisdiction

(play by the rules or your out)

Page 8: National Type Evaluation Program An Overview Don Onwiler Executive Director

NTEP Overview

A Better Way

8

NBS Test Reports: One evaluation to allow state or local agencies to issue their own type approval certificates

NTEP:One evaluation and one certificate that could be recognized by all jurisdictions

Page 9: National Type Evaluation Program An Overview Don Onwiler Executive Director

NTEP Overview

Proliferation of NTEP

9

• An NTEP Certificate has no legal value on its own merit• States hold the regulatory authority• Their recognition of NTEP gives the program its

value

• 46 States have voluntarily adopted requirements for NTEP certification• Largely fueled by industry support

Page 10: National Type Evaluation Program An Overview Don Onwiler Executive Director

Presentation to WWMA | 2013 10

The SMA Map

Page 11: National Type Evaluation Program An Overview Don Onwiler Executive Director

NTEP Overview

Benefitting the Marketplace

11

• Device Manufacturers

• Regulatory Officials

• Sales and Service Companies

• End-Users

Page 12: National Type Evaluation Program An Overview Don Onwiler Executive Director

NTEP Overview

For the Manufacturer

12

• Easier and less expensive access to the entire U.S. market

• Fair competition: Integrity within an industry

• Marketing tool: Earned competitive advantage

Page 13: National Type Evaluation Program An Overview Don Onwiler Executive Director

NTEP Overview

Access to the U.S. Market

13

• 1967: 17 jurisdictional type evaluations in the U.S.

• Today: – NTEP in the U.S.– U.S./Canada Mutual Recognition Agreement (MRA)– OIML Mutual Acceptance Arrangement (MAA) for

load cells

Page 14: National Type Evaluation Program An Overview Don Onwiler Executive Director

NTEP Overview

Fair competition: Integrity within an industry

14

• It costs money to play by the rules• Costs are passed on to consumers• Availability of cheap, substandard scales can

put the manufacturers of quality devices at a competitive disadvantage

• NTEP keeps unscrupulous manufacturers out of the market

• Confidence can extend to the global market if NTEP is thorough

Page 15: National Type Evaluation Program An Overview Don Onwiler Executive Director

NTEP Overview

Marketing Tool

15

• Manufacturers are able to make claims• Customers are learning to look for the

NTEP logo• Provides an earned competitive

advantage

Page 16: National Type Evaluation Program An Overview Don Onwiler Executive Director

NTEP Overview

For the End-User

16

• A standard of quality to look for when purchasing a new device

• Assurance the device will withstand time and use

• Assurance the device maintains accuracy under influence factors

• Fewer repairs and longer life of operation

Page 17: National Type Evaluation Program An Overview Don Onwiler Executive Director

NTEP Overview

For the Regulatory Official

17

Confidence of H44 compliance• Is the manufacturer knowledgeable of H44?• Has the manufacturer demonstrated an

ability to meet the design and performance requirements prior to entering the market?

• Does the device perform under influence factors such as temperature change?

Page 18: National Type Evaluation Program An Overview Don Onwiler Executive Director

NTEP Overview

For the Regulatory Official

18

Improved efficiency of inspection programs• Less time on rejections and reinspections

• Less time in confrontation with business owners

• More time for other important activities of the Department

Page 19: National Type Evaluation Program An Overview Don Onwiler Executive Director

NTEP Overview

For the Regulatory Official

19

A standard to reference • There may be good designs that aren’t

certified, but there should not be bad designs that are certified

• NTEP provides easy answers when business owners ask officials for guidance

• A method of recourse exists if production fails to meet type

Page 20: National Type Evaluation Program An Overview Don Onwiler Executive Director

NTEP Overview

NTEP Hierarchy

20

Page 21: National Type Evaluation Program An Overview Don Onwiler Executive Director

NTEP Overview

NTEP Appeals Process

21

Page 22: National Type Evaluation Program An Overview Don Onwiler Executive Director

NTEP Overview

NTEP-Authorized Laboratories

22

Page 23: National Type Evaluation Program An Overview Don Onwiler Executive Director

NTEP Overview

NCWM Publication 14

23

Administrative PolicyContent is developed by NTEP Committee and Board of Directors

Technical Policy, Checklists, and Test ProceduresContent developed by NTEP Sectors and approved by NTEP Committee–Weighing Devices–Measuring Devices–Grain Analyzers

Page 24: National Type Evaluation Program An Overview Don Onwiler Executive Director

NTEP Overview

Certificate Status

24

Active–Certificate holder has paid the Annual Maintenance Fees–Ongoing production will continue to comply with most recent version of Handbook 44

Page 25: National Type Evaluation Program An Overview Don Onwiler Executive Director

NTEP Overview

Certificate Status

25

InactiveCertificate holder is not paying Annual Maintenance Fees

Traceability to an Active Certificate:–A device is traceable to an active CC if: (a) it is of the same type identified on the Certificate, and (b) it was manufactured during the period that the Certificate was maintained in active status. –Devices manufactured after the status change are not traceable to an Active Certificate and might not conform to type

Page 26: National Type Evaluation Program An Overview Don Onwiler Executive Director

NTEP Overview

Certificate Status

26

Withdrawn

An action taken by NCWM against the Certificate• Production not according to type• Deficiencies in type• Misuse of the NTEP logo

Devices of that type are not considered traceable to an Active Certificate, regardless of date of manufacture.

Page 27: National Type Evaluation Program An Overview Don Onwiler Executive Director

NTEP Overview

Certificate Status

27

Expired

Only applies to Grain Analyzers

Not participating in ongoing calibration program

Each jurisdiction must determine how to deal with devices in service prior to status change

Page 28: National Type Evaluation Program An Overview Don Onwiler Executive Director

NTEP Overview

2.6. One-of-a-Kind Device

28

A (non-NTEP) device designed to meet unique demands for a specific installation and of a specific design which is not commercially available elsewhere (one such device per manufacturer). If a device manufactured for sale by a company has been categorized and tested as a “one-of-a-kind” device and the manufacturer then decides to manufacture an additional device or devices of that same type, the device will no longer be considered a “one-of-a-kind.”

Page 29: National Type Evaluation Program An Overview Don Onwiler Executive Director

NTEP Overview

One-of-a-Kind Device (continued)

29

This also applies to a device that has been determined to be a “one-of-a-kind” device by a weights and measures jurisdiction in one state and the manufacturer decides to manufacture and install another device of that same type in another state. In this case, the manufacturer of the device must request an NTEP evaluation on the device through the normal application process unless NTEP has already deemed that such evaluation will not be conducted.

Page 30: National Type Evaluation Program An Overview Don Onwiler Executive Director

NTEP Overview

Maintenance Fee Process

30

Support the daily operations of NTEP including cost of Sector Meetings, salaries, infrastructure– Payable each fall– Non payment results in Inactive Certificate on

January 1– Certificate may be reactivated after January 1

Manufacturers may intentionally allow some certificates to become Inactive because they are no longer in production for use in commerce.

Page 31: National Type Evaluation Program An Overview Don Onwiler Executive Director

NTEP Overview

What does a NTEP Evaluation Entail?

31

Vehicle Sale Example:• Discrimination near zero and near capacity• Section tests to at least 90% of CLC• Strain load tests to at least 80% of scale

capacity• Repeat all tests (repeatability) • Verify scales errors to .1 division

(if d = 20 lb, verify scale errors to nearest 2 lb

Page 32: National Type Evaluation Program An Overview Don Onwiler Executive Director

Performance Tests forVehicle Scales

65.a2. Section Tests

Page 33: National Type Evaluation Program An Overview Don Onwiler Executive Director

00

Test Load

lb= 5000 lb

Section Test

Vehicle Scale – Modular Design

SECTION TEST

200,000 x 20 lb CLC = 100,000 lb

Page 34: National Type Evaluation Program An Overview Don Onwiler Executive Director

10 000

Test Load

lb= 5000 lb

Section Test

Vehicle Scale – Modular Design

SECTION TEST

200,000 x 20 lb CLC = 100,000 lb

Page 35: National Type Evaluation Program An Overview Don Onwiler Executive Director

10 000

Test Load

lb= 5000 lb

Section Test

Vehicle Scale – Modular Design

SECTION TEST

200,000 x 20 lb CLC = 100,000 lb

Page 36: National Type Evaluation Program An Overview Don Onwiler Executive Director

10 000

Test Load

lb= 5000 lb

Section Test

Vehicle Scale – Modular Design

SECTION TEST

200,000 x 20 lb CLC = 100,000 lb

Page 37: National Type Evaluation Program An Overview Don Onwiler Executive Director

10 000

Test Load

lb= 5000 lb

Section Test

Vehicle Scale – Modular Design

SECTION TEST

200,000 x 20 lb CLC = 100,000 lb

Page 38: National Type Evaluation Program An Overview Don Onwiler Executive Director

30 000

Test Load

lb= 5000 lb

Section Test

Vehicle Scale – Modular Design

SECTION TEST

200,000 x 20 lb CLC = 100,000 lb

Page 39: National Type Evaluation Program An Overview Don Onwiler Executive Director

30 000

Test Load

lb= 5000 lb

Section Test

Vehicle Scale – Modular Design

SECTION TEST

200,000 x 20 lb CLC = 100,000 lb

Page 40: National Type Evaluation Program An Overview Don Onwiler Executive Director

30 000

Test Load

lb= 5000 lb

Section Test

Vehicle Scale – Modular Design

SECTION TEST

200,000 x 20 lb CLC = 100,000 lb

Page 41: National Type Evaluation Program An Overview Don Onwiler Executive Director

30 000

Test Load

lb= 5000 lb

Section Test

Vehicle Scale – Modular Design

SECTION TEST

200,000 x 20 lb CLC = 100,000 lb

Page 42: National Type Evaluation Program An Overview Don Onwiler Executive Director

50 000

Test Load

lb= 5000 lb

Section Test

Vehicle Scale – Modular Design

SECTION TEST

200,000 x 20 lb CLC = 100,000 lb

Page 43: National Type Evaluation Program An Overview Don Onwiler Executive Director

50 000

Test Load

lb= 5000 lb

Section Test

Vehicle Scale – Modular Design

SECTION TEST

200,000 x 20 lb CLC = 100,000 lb

Page 44: National Type Evaluation Program An Overview Don Onwiler Executive Director

50 000

Test Load

lb= 5000 lb

Section Test

Vehicle Scale – Modular Design

SECTION TEST

200,000 x 20 lb CLC = 100,000 lb

Page 45: National Type Evaluation Program An Overview Don Onwiler Executive Director

50 000

Test Load

lb= 5000 lb

Section Test

Vehicle Scale – Modular Design

SECTION TEST

200,000 x 20 lb CLC = 100,000 lb

Page 46: National Type Evaluation Program An Overview Don Onwiler Executive Director

70 000

Test Load

lb= 5000 lb

Section Test

Vehicle Scale – Modular Design

SECTION TEST

200,000 x 20 lb CLC = 100,000 lb

Page 47: National Type Evaluation Program An Overview Don Onwiler Executive Director

70 000

Test Load

lb= 5000 lb

Section Test

Vehicle Scale – Modular Design

SECTION TEST

200,000 x 20 lb CLC = 100,000 lb

Page 48: National Type Evaluation Program An Overview Don Onwiler Executive Director

70 000

Test Load

lb= 5000 lb

Section Test

Vehicle Scale – Modular Design

SECTION TEST

200,000 x 20 lb CLC = 100,000 lb

Page 49: National Type Evaluation Program An Overview Don Onwiler Executive Director

70 000

Test Load

lb= 5000 lb

Section Test

Vehicle Scale – Modular Design

SECTION TEST

200,000 x 20 lb CLC = 100,000 lb

Page 50: National Type Evaluation Program An Overview Don Onwiler Executive Director

90 000

Test Load

lb= 5000 lb

Section Test

Vehicle Scale – Modular Design

SECTION TEST

200,000 x 20 lb CLC = 100,000 lb

Page 51: National Type Evaluation Program An Overview Don Onwiler Executive Director

90 000

Test Load

lb= 5000 lb

Section Test

Vehicle Scale – Modular Design

SECTION TEST

200,000 x 20 lb CLC = 100,000 lb

Page 52: National Type Evaluation Program An Overview Don Onwiler Executive Director

90 000

Test Load

lb= 5000 lb

Section Test

Vehicle Scale – Modular Design

SECTION TEST

200,000 x 20 lb CLC = 100,000 lb

Page 53: National Type Evaluation Program An Overview Don Onwiler Executive Director

90 000

Test Load

lb= 5000 lb

Section Test

Vehicle Scale – Modular Design

SECTION TEST

200,000 x 20 lb CLC = 100,000 lb

Page 54: National Type Evaluation Program An Overview Don Onwiler Executive Director

90 000

Test Load

lb= 5000 lb

Section Test

Vehicle Scale – Modular Design

SECTION TEST

200,000 x 20 lb CLC = 100,000 lb

Page 55: National Type Evaluation Program An Overview Don Onwiler Executive Director

90 000

Test Load

lb= 5000 lb

Section Test

Vehicle Scale – Modular Design

SECTION TEST

200,000 x 20 lb CLC = 100,000 lb

Page 56: National Type Evaluation Program An Overview Don Onwiler Executive Director

90 000

Test Load

lb= 5000 lb

Section Test

Vehicle Scale – Modular Design

SECTION TEST

200,000 x 20 lb CLC = 100,000 lb

Page 57: National Type Evaluation Program An Overview Don Onwiler Executive Director

90 000

Test Load

lb= 5000 lb

Section Test

Vehicle Scale – Modular Design

SECTION TEST

200,000 x 20 lb CLC = 100,000 lb

Page 58: National Type Evaluation Program An Overview Don Onwiler Executive Director

90 000

Test Load

lb= 5000 lb

Section Test

Vehicle Scale – Modular Design

SECTION TEST

200,000 x 20 lb CLC = 100,000 lb

Page 59: National Type Evaluation Program An Overview Don Onwiler Executive Director

90 000

Test Load

lb= 5000 lb

Section Test

Vehicle Scale – Modular Design

SECTION TEST

200,000 x 20 lb CLC = 100,000 lb

Page 60: National Type Evaluation Program An Overview Don Onwiler Executive Director

90 000

Test Load

lb= 5000 lb

Section Test

Vehicle Scale – Modular Design

SECTION TEST

200,000 x 20 lb CLC = 100,000 lb

Page 61: National Type Evaluation Program An Overview Don Onwiler Executive Director

70 000

Test Load

lb= 5000 lb

Decreasing Test

Vehicle Scale – Modular Design

SECTION TEST

200,000 x 20 lb CLC = 100,000 lb

Page 62: National Type Evaluation Program An Overview Don Onwiler Executive Director

50 000

Test Load

lb= 5000 lb

Decreasing Test

Vehicle Scale – Modular Design

SECTION TEST

200,000 x 20 lb CLC = 100,000 lb

Page 63: National Type Evaluation Program An Overview Don Onwiler Executive Director

30 000

Test Load

lb= 5000 lb

Decreasing Test

Vehicle Scale – Modular Design

SECTION TEST

200,000 x 20 lb CLC = 100,000 lb

Page 64: National Type Evaluation Program An Overview Don Onwiler Executive Director

10 000

Test Load

lb= 5000 lb

Decreasing Test

Vehicle Scale – Modular Design

SECTION TEST

200,000 x 20 lb CLC = 100,000 lb

Page 65: National Type Evaluation Program An Overview Don Onwiler Executive Director

00

Test Load

lb= 5000 lb

Zero Balance

Vehicle Scale – Modular Design

SECTION TEST

200,000 x 20 lb CLC = 100,000 lb

Page 66: National Type Evaluation Program An Overview Don Onwiler Executive Director

Performance Tests forVehicle Scales

65.a3. Strain Load Test

Page 67: National Type Evaluation Program An Overview Don Onwiler Executive Director

70 000 Total Load = lb= 5000 lb

Determine Vehicle Reference Weight

70 000 lb

OVERLOADTRUCKING CO.

Vehicle Scale – Modular Design

STRAIN LOAD TEST

200,000 x 20 lb CLC = 100,000 lb

Vehicle Weight =

Page 68: National Type Evaluation Program An Overview Don Onwiler Executive Director

160 000 Total Load = lb= 5000 lb

70 000 lb

Vehicle + Test Weights

Vehicle Scale

STRAIN LOAD TEST

200,000 x 20 lb CLC = 100,000 lb

Vehicle Weight =

OVERLOADTRUCKING CO.

Page 69: National Type Evaluation Program An Overview Don Onwiler Executive Director

OVERLOADTRUCKING CO.

70 000 Total Load = lb= 5000 lb

70 000 lb

Re establish Vehicle Reference Weight

Vehicle Scale

STRAIN LOAD TEST

200,000 x 20 lb CLC = 100,000 lb

Vehicle Weight =

Page 70: National Type Evaluation Program An Overview Don Onwiler Executive Director

OVERLOADTRUCKING CO.

Vehicle + Test Weights(Repeatability)

80 000 Total Load = lb= 5000 lb

70 000 lb

Vehicle Scale

STRAIN LOAD TEST

200,000 x 20 lb CLC = 100,000 lb

Vehicle Weight =

Page 71: National Type Evaluation Program An Overview Don Onwiler Executive Director

OVERLOADTRUCKING CO.

Vehicle + Test Weights(Repeatability)

100 000 Total Load = lb= 5000 lb

70 000 lb

Vehicle Scale

STRAIN LOAD TEST

200,000 x 20 lb CLC = 100,000 lb

Vehicle Weight =

Page 72: National Type Evaluation Program An Overview Don Onwiler Executive Director

OVERLOADTRUCKING CO.

Vehicle + Test Weights(Repeatability)

120 000 Total Load = lb= 5000 lb

70 000 lb

Vehicle Scale

STRAIN LOAD TEST

200,000 x 20 lb CLC = 100,000 lb

Vehicle Weight =

Page 73: National Type Evaluation Program An Overview Don Onwiler Executive Director

OVERLOADTRUCKING CO.

Vehicle + Test Weights(Repeatability)

140 000 Total Load = lb= 5000 lb

70 000 lb

Vehicle Scale

STRAIN LOAD TEST

200,000 x 20 lb CLC = 100,000 lb

Vehicle Weight =

Page 74: National Type Evaluation Program An Overview Don Onwiler Executive Director

OVERLOADTRUCKING CO.

Vehicle + Test Weights(Repeatability)

160 000 Total Load = lb= 5000 lb

70 000 lb

Vehicle Scale

STRAIN LOAD TEST

200,000 x 20 lb CLC = 100,000 lb

Vehicle Weight =

Page 75: National Type Evaluation Program An Overview Don Onwiler Executive Director

OVERLOADTRUCKING CO.

Decreasing Load Test

140 000 Total Load = lb= 5000 lb

70 000 lb

Vehicle Scale

STRAIN LOAD TEST

200,000 x 20 lb CLC = 100,000 lb

Vehicle Weight =

Page 76: National Type Evaluation Program An Overview Don Onwiler Executive Director

OVERLOADTRUCKING CO.

Decreasing Load Test

120 000 Total Load = lb= 5000 lb

70 000 lb

Vehicle Scale

STRAIN LOAD TEST

200,000 x 20 lb CLC = 100,000 lb

Vehicle Weight =

Page 77: National Type Evaluation Program An Overview Don Onwiler Executive Director

OVERLOADTRUCKING CO.

Decreasing Load Test

100 000 Total Load = lb= 5000 lb

70 000 lb

Vehicle Scale

STRAIN LOAD TEST

200,000 x 20 lb CLC = 100,000 lb

Vehicle Weight =

Page 78: National Type Evaluation Program An Overview Don Onwiler Executive Director

OVERLOADTRUCKING CO.

Decreasing Load Test

80 000 Total Load = lb= 5000 lb

70 000 lb

Vehicle Scale

STRAIN LOAD TEST

200,000 x 20 lb CLC = 100,000 lb

Vehicle Weight =

Page 79: National Type Evaluation Program An Overview Don Onwiler Executive Director

Return to Vehicle Reference Weight (Repeatability)

70 000 Total Load = lb= 5000 lb

70 000 lb

OVERLOADTRUCKING CO.

Vehicle Scale

STRAIN LOAD TEST

200,000 x 20 lb CLC = 100,000 lb

Vehicle Weight =

Page 80: National Type Evaluation Program An Overview Don Onwiler Executive Director

Reset Zero

00 Total Load = lb= 5000 lb

00 lb

Vehicle Scale

STRAIN LOAD TEST

200,000 x 20 lb CLC = 100,000 lb

Vehicle Weight =

Page 81: National Type Evaluation Program An Overview Don Onwiler Executive Director

70 000 Total Load = lb= 5000 lb

70 000 lb

Determine Vehicle Reference Weight

OVERLOADTRUCKING CO.

Vehicle Scale

STRAIN LOAD TEST

200,000 x 20 lb CLC = 100,000 lb

Vehicle Weight =

Page 82: National Type Evaluation Program An Overview Don Onwiler Executive Director

OVERLOADTRUCKING CO.

Vehicle + Test Weights

80 000 Total Load = lb= 5000 lb

Vehicle Weight = 70 000 lb

Vehicle Scale

STRAIN LOAD TEST

200,000 x 20 lb CLC = 100,000 lb

Page 83: National Type Evaluation Program An Overview Don Onwiler Executive Director

OVERLOADTRUCKING CO.

Vehicle + Test Weights

100 000 Total Load = lb= 5000 lb

Vehicle Weight = 70 000 lb

Vehicle Scale

STRAIN LOAD TEST

200,000 x 20 lb CLC = 100,000 lb

Page 84: National Type Evaluation Program An Overview Don Onwiler Executive Director

OVERLOADTRUCKING CO.

Vehicle + Test Weights

120 000 Total Load = lb= 5000 lb

Vehicle Weight = 70 000 lb

Vehicle Scale

STRAIN LOAD TEST

200,000 x 20 lb CLC = 100,000 lb

Page 85: National Type Evaluation Program An Overview Don Onwiler Executive Director

OVERLOADTRUCKING CO.

Vehicle + Test Weights

140 000 Total Load = lb= 5000 lb

Vehicle Weight = 70 000 lb

Vehicle Scale

STRAIN LOAD TEST

200,000 x 20 lb CLC = 100,000 lb

Page 86: National Type Evaluation Program An Overview Don Onwiler Executive Director

OVERLOADTRUCKING CO.

Vehicle + Test Weights

160 000 Total Load = lb= 5000 lb

Vehicle Weight = 70 000 lb

Vehicle Scale

STRAIN LOAD TEST

200,000 x 20 lb CLC = 100,000 lb

Page 87: National Type Evaluation Program An Overview Don Onwiler Executive Director

90 000 Total Load = lb= 5000 lb

Decrease to Test Weights

Vehicle Scale

STRAIN LOAD TEST

200,000 x 20 lb CLC = 100,000 lb

Page 88: National Type Evaluation Program An Overview Don Onwiler Executive Director

Decreasing Load Test

70 000 Total Load = lb= 5000 lb

Vehicle Scale

STRAIN LOAD TEST

200,000 x 20 lb CLC = 100,000 lb

Page 89: National Type Evaluation Program An Overview Don Onwiler Executive Director

Decreasing Load Test

50 000 Total Load = lb= 5000 lb

Vehicle Scale

STRAIN LOAD TEST

200,000 x 20 lb CLC = 100,000 lb

Page 90: National Type Evaluation Program An Overview Don Onwiler Executive Director

Decreasing Load Test

30 000 Total Load = lb= 5000 lb

Vehicle Scale

STRAIN LOAD TEST

200,000 x 20 lb CLC = 100,000 lb

Page 91: National Type Evaluation Program An Overview Don Onwiler Executive Director

Decreasing Load Test

10 000 Total Load = lb= 5000 lb

Vehicle Scale

STRAIN LOAD TEST

200,000 x 20 lb CLC = 100,000 lb

Page 92: National Type Evaluation Program An Overview Don Onwiler Executive Director

Decreasing Load Test

00 Total Load = lb= 5000 lb

Vehicle Scale

STRAIN LOAD TEST

200,000 x 20 lb CLC = 100,000 lb

Page 93: National Type Evaluation Program An Overview Don Onwiler Executive Director

NTEP Overview

Permanence Testing

93

Vehicle Scale with capacity above 75,000 lb: – 300 weighments reflecting normal use

Small Scales– 100,000 weighments

Retail Motor Fuel Dispensers– 20,000 Gallons

Page 94: National Type Evaluation Program An Overview Don Onwiler Executive Director

NTEP Overview

Main Elements: Large Scale

94

• Indicator• Includes influence factor testing

• Load Cells• Includes influence factor testing

• Weighing/Load-Receiving Element• Platform, hopper, tank, etc.• Does not include influence factor testing

• Software? • First indication of final quantity• Weigh-in/Weigh-out software• Automatic Bulk Weighing Systems

Page 95: National Type Evaluation Program An Overview Don Onwiler Executive Director

NTEP Overview

Is NTEP Really Necessary for Hopper Scales?

95

Some jurisdictions do not require NTEP certification for the hopper; just for the levers or load cells and indicator

Concerns?• Support• Deflection• Load cell mounts• Size and capacity limits

Page 96: National Type Evaluation Program An Overview Don Onwiler Executive Director

96

Page 97: National Type Evaluation Program An Overview Don Onwiler Executive Director

97

Page 98: National Type Evaluation Program An Overview Don Onwiler Executive Director

98

Page 99: National Type Evaluation Program An Overview Don Onwiler Executive Director

99

Page 100: National Type Evaluation Program An Overview Don Onwiler Executive Director

100

Original Design

Failed Performance Tests

Modified Design

Received NTEP Certification

Page 101: National Type Evaluation Program An Overview Don Onwiler Executive Director

101

Page 102: National Type Evaluation Program An Overview Don Onwiler Executive Director

102

Page 103: National Type Evaluation Program An Overview Don Onwiler Executive Director

103

Page 104: National Type Evaluation Program An Overview Don Onwiler Executive Director

104

Page 105: National Type Evaluation Program An Overview Don Onwiler Executive Director

NTEP Overview

Conformity Assessment Program

105

Page 106: National Type Evaluation Program An Overview Don Onwiler Executive Director

NTEP Overview

Conformity Assessment

106

Assessing the ongoing production conforms with type through:

1.Certificate Review2.Initial Verification3.Verified Conformity Assessment

Program (VCAP)

Page 107: National Type Evaluation Program An Overview Don Onwiler Executive Director

NTEP Overview

Certificate Review

107

• Making sure the information on the Certificate accurately represents current production– Has not been formalized into a systematic

procedure– Most commonly performed by competitors

and regulators

Page 108: National Type Evaluation Program An Overview Don Onwiler Executive Director

NTEP Overview

VCAP

108

• Only applies to weighing devices that are subject to influence factor requirements

• Requires an audit of the manufacturing facility to verify that:– A quality system is in place– Sampling and testing occurs– Corrective measures are taken when

deficiencies in production are revealed

Page 109: National Type Evaluation Program An Overview Don Onwiler Executive Director

NTEP Overview

Initial Verification

109

• First official examination of a new device after it is installed– All elements are traceable to Active NTEP

CC’s– No metrological changes have been

made• Marking requirements• Method of sealing• Size, capacity and other parameters• Design, etc.

Page 110: National Type Evaluation Program An Overview Don Onwiler Executive Director

NTEP Overview

Main Elements of a Scale

110

• Indicating Element• Load Cells• Weighing/Load-Receiving Element

Just because they are each NTEP Certified does not mean the system is traceable to NTEP.

Page 111: National Type Evaluation Program An Overview Don Onwiler Executive Director

NTEP Overview

NTEP Worksheets for Large Scales

111

Compliments of Ohio Department of Agriculture

– Class III Weighing Systems Worksheet– Class IIIL Weighing Systems Worksheet

These are available at www.ncwm.net

Page 112: National Type Evaluation Program An Overview Don Onwiler Executive Director

NTEP Overview

Applying the Certificate in the Field

112

• Is there a CC for this model?• Was the CC active when the device was

manufactured?• Does the device comply with the parameters

provided for on the CC?• Is the device being used in a proper application?• Are all the main elements of a system traceable

to a CC?• Are the main elements compatible with each

other• Has the device been altered metrologically?

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Certificate Number

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• “Parent number”: XX-YYY where“XX” = last two digits of the year issued“YYY” = consecutive number for each CC issued

that year

• Subsequent amendments designated using the suffix A1, A2, A3, etc.

• Parent number is all that is required as a marking requirement on the device.

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Signatures and Issue Date

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• Signed by:– NCWM Chairman– NTEP Committee Chairman

• Issue date is printed below the signatures– CC Number tells you the year the original, or

parent version, was published– Issue date will tell you when the most recent

version was published

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“For” Box

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• Device Type• Model

• nmax

• emin

• Capacity• CLC / Section Capacity• Accuracy Class

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“Submitted by” Box

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• Company• Address• Contact Person• Telephone • Fax• Email

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“Standard Features and Options” Box

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• Construction materials for weighbridge• Dimensions of weighbridge• Description of model designations• Load cell information

– Number of load cells– Model used in the evaluation

• Certified temperature range (applies to electronic elements)

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“Application”

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• Can be very extensive and detailed92-141A8

• Can be very narrow and specific11-102A1

• For LMDs it can clarify what products may be measured

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“Identification”

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• Helps the inspector find the markings required in Handbook 44

• Sometimes causes difficulty– Can’t find the CC because we can’t find the

marking– Can’t find the marking because we can’t find the

CC

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“Sealing”

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• Describes how the device is sealed from adjustments

• May refer inspector to the sealing instructions provided by the manufacturer– When viewing the CC for a load-receiving element

for which any number of indicating elements could be used

06-055

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“Operation”

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• Provides further explanation of the designed operation of the scale

• Especially helpful when necessary to prevent misuse or to recognize optional features

06-055

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“Testing”

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• Usually covered adequately in Handbook 44• May be used to address special designs• May provide guidance in testing “as used”• May provide safety measures to be taken• Use of this section is at the discretion of the

NTEP lab and the manufacturer

07-036A1

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“Test Conditions”

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• Reasons for amendments

• Specific model evaluated

• Other NTEP certified main elements used in the system during the evaluation

• Tests that were performed

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Remaining Elements of a CC

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• “Type Evaluation Criteria Used”• “Tested By”• “Conclusion”• “Reviewed By”

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Accessing CCs in the Field

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• The options not too many years ago:– Hard copies in your office– Submitted with In-Service Reports– Sent to inspector from office– Phone call to office for support– Phone call to NTEP (NCWM)

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Accessing CC’s in the field

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• Technology has opened up the options• Online database being accessed from

– Desktop computers– Inspector laptops– Inspector tablets– Inspector smart phones

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Accessing Certificates: 2012

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Fall 2012 Survey was to benchmark how inspectors access certificates from the field.

Jurisdictions Responding:States: 28 Local: 31 Territories: 1

Total: 60

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Accessing Certificates: 2012

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Inspectors have Access to Certificates:

YES NO State Inspectors: 26 2 Local Inspectors: 23 8 Territory Inspectors: 0 1

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Accessing Certificates: 2012

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How They Access Certificates: State Local Territory

Electronically: 8 5 0 Hard copy: 0 3 0 Call office: 5 10 0Electronically & call: 9 4 0Combination of all: 4 2 0No Access: 2 7 1

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Accessing Certificates: 2012

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Type of Electronic Access: State Local

TerritoryLaptop: 14 5 0Tablet: 4 1 0iPad: 0 1 0Smart Phone: 2 1 0Laptop & Phone: 1 3 0

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Using the Online NTEP Database

135

http://www.ncwm.net/certificates

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Using the Scale Worksheets

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Initial Verification for large scales where the individual elements have their own NTEP Certification

Class III Worksheet

Class IIIL Worksheet