National Regulations & Inspection /MID i P iMID in Practice

Another Brick in The Wall, Part 1

Wim Volmer NMi Certin BVWim Volmer, NMi Certin BV

ContentsContentsPart 1:• Inspection• National (additional) requirements( ) q

– Sub-assemblies (general)– Mix-and-matchMix and match

• MID Amendment / RevisionGeneral changes– General changes

– CNG DispensersLevel Gauges– Level Gauges

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Presentation goalPresentation goal• Discover the reach of MID and its

li i ilimitations

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Traditional Legal regime

TypeType Approval

Test

Initial Verification

Pre-MarketComplexity

Maintenance, repair, re- M k t /Maintenance, repair, recalibration / verification

Market / in-use

No of testsMarket Surveillance /

Enforcement

No. of tests

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Enforcement

Please keep in mindPlease, keep in mindMID Scope:• Placing on the Market• Putting into useg

Many traditional authorities are now:Many traditional authorities are now:• Loosing work• Operating in the in-use segment• Often with possibilities to influence p

national legislation

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Some Member StatesSome Member States …• "… within 3 months a subsequent

V ifi i b f d bVerification must be performed by …"

• Although not in conflict with MID,• Clearly a Barrier to Trade

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Brussels intends to:Brussels intends to:• Harmonise Market Surveillance• Act against misbehaviour• However, these authorities are ,

conventional and clever

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Mix-and-MatchMix and Match

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MID TransitionMID Transition• 10 years from October 2006

• Small modification allowed?• Combination pre-MID parts and

MID parts?MID parts?

N t thi t i ll i• Note: this typically concerns in-use instruments

• So, not MID, but national

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Typical solutionsTypical solutions• Don't look• Change national Law• (Stick to the letter)( )

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Gas MetersGas Meters• MID: domestic and light industrial• National: industrial meters

Differences within EU:• Distinction light industrial /• Distinction light industrial /

industrialI d t i l ti• Industrial, options:– No requirements– MID– Purely national legislation

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Please know:Please know:• Brussels does want to harmonise

li h i d i l / i d i llight industrial / industrial

• Easier said than done (EU grids differ))

• No short term solution expected• No short-term solution expected

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Sub-assembliesSub assemblies• Separate "Approval"• Separate "Placing on the Market"

and "Putting into use"

• National legislation on how toNational legislation on how to combine

• Therefore, sub-assemblies need not b l ti ( th bl ibe a solution (other problems in return)

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MID AmendmentMID Amendment• 2011• Proposal deadline around now

Expected:• No fundamental changes in• No fundamental changes in

Transition or sub-assembliesEdit i l / ti• Editorials / corrections

• Annex CNG Dispensers• Annex Level Gauging (mobile and

stationary tanks)y )

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SummarySummary• Differences in Market Surveillance

A h i l hi dApproach -> potential hindrance• Mix-and-match:

– On paper, big problem– Still challenging

• CNG and Level under MID -> improvementp

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Questions?Questions?

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National Regulations & Inspection /MID i P iMID in Practice

Another Brick in The Wall, Part 2

Wim Volmer NMi Certin BVWim Volmer, NMi Certin BV

ContentsContentsPart 2:• Example(s) of Certificates

– Based on Evaluation Certificates

• Valves, piping arrangement, etc.

• 45 minutes

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TargetTarget• Some "practical" issues

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EC Type Examination CertificateEC Type Examination Certificate• MID (roughly) prescribes minimum

contents• Large degree of freedomg g

Two main streams:Two main streams:• All in one• Based on Part / Evaluation Certificates

– NMi version

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All in oneAll in one• Describes the complete Measuring

Instrument• All details included

• Underlying reason: keep authorities• Underlying reason: keep authorities occupiedD t hi h i t• Documents: high-maintenance

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All in one sketchAll in one, sketch

EC TAC #1

EC TAC #2

Meter A Meter DMeter AFlowcomputer BGas Elimination C

Meter DFlowcomputer BGas Elimination E

• Now, software change flowcomputer Bflowcomputer B …

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Based on Part / EvaluationBased on Part / Evaluation …• Describes the complete Measuring

Instrument• Refers to Part / Evaluation Certificates

for details• Makes the EC TAC shortMakes the EC TAC short• Need to check more documents at

Verification / InspectionVerification / Inspection• Document structure aligned with

ti l it tipractical situation• Document: low-maintenance

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Based on sketchBased on …, sketch

EC TAC #1

EC TAC #2

Part Part GasPart

Flow- Part Part GasPart Meter A

Part Gas C

Flow-com-

puter B

Part Meter D

Part Gas E

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So far:So far:• Contents of EC TAC (direct, or via

f ) diffreference) not different

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NMi VersionNMi VersionFor EC TAC's, Evaluation and Part

Certificates:• Essential …• Conditional …• Non essential (explanatory)• Non-essential … (explanatory)

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Essential examplesEssential … examplesEC TAC:• Volume Sensor / Measurement

Transducer• Flowcomputer• …

Evaluation Certificate Flowcomputer:• Metrological Software• …

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Conditional examplesConditional … examplesEC TAC:• Printer with: CE Marking, ON-/OFF-

line control, Paper-Out control• Bypass, if fitted with Spectacle Blind• …

E l ti C tifi t Fl tEvaluation Certificate Flowcomputer:• Non-Metrological Software• P-transmitter with Part Certificate• …

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Non-essential examplesNon essential … examplesEC TAC:• Optionally, vapour return line• …

Notes:• Intended to prevent confusionp• Often not necessary

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NMi Version:NMi Version:• Contents no different• Parts / Characteristics classified by

metrological importance• Same metrological guarantee• Maximum degree of freedomMaximum degree of freedom

(within legal limits)

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ComparisonComparison• First time around, All in one most

ffi iefficient• New combination known parts,

Based on … most efficient• (Small) modification, NMi version ( ) ,

most efficient

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Adobe Acrobat 7.0 Document

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The Real WorldThe Real World

• What Verification / Inspection officers findofficers find

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EC TAC is:EC TAC is:• …• A Manual for Verification &

Inspection• …

• Note: Verification / Inspection officer expected to have generalofficer expected to have general knowledge of requirements

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What about piping valves ?What about piping, valves …?• General "description" in EC TAC• Specific description where needed

(straight lengths …)• Branches & Bypasses• Position of valvesPosition of valves• Empty / full "hose"• …

• Materials, lengths???• Application (empty / full hose)Application (empty / full hose)

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SoftwareSoftwareOfficers need to check:• Software version• Software configurationg

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Verification challengesVerification challenges• Possibility to test on-site• Recognise the system• Check conformityy• Check operating range• Check application• Check application

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Challenges EC TACChallenges EC TAC• Not too detailed (unnecessary

i i )restriction)• Enough for Metrological guarantee• Maintainable• Enough guidance for Verification /Enough guidance for Verification /

Inspection

• Note: "lack of guidance" also b d b M b St tabused by some Member States

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Challenges Evaluation / Part fCertificate

• Intended for Type Approval• Intended for Type Approval Notified Body

Contain information on:• Compatibility• Verification / Inspection• Verification / Inspection

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Please rememberPlease remember …It takes more than a good meter

t k d tto make a good measurement

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SummarySummaryOur angles may differ, but you too

f d i hare faced with:• Compatibility of devices• Cooperation with competitors• ModificationsModifications• Users with strange applications

L l li iti• Legal peculiarities

• We do our best to fit in

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Questions?Questions?

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