Manuals & Guides: CDM100 Measuring Instruments Directive Supplement | Micro Motion
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Measuring Instruments Directive (MID) Applications Supplement
MMI-20029195, Rev AA
April 2015
Micro Motion® Compact Density Meters (CDM)
Measuring Instruments Directive (MID) Applications Supplement
Safety messages
Safety messages are provided throughout this manual to protect personnel and equipment. Read each safety message carefully
before proceeding to the next step.
Emerson Flow customer service
Email:
• Worldwide: flow.support@emerson.com
• Asia-Pacific: APflow.support@emerson.com
Telephone:
North and South America Europe and Middle East Asia Pacific
United States 800-522-6277 U.K. 0870 240 1978 Australia 800 158 727
Canada +1 303-527-5200 The Netherlands +31 (0) 704 136 666 New Zealand 099 128 804
Mexico +41 (0) 41 7686 111 France 0800 917 901 India 800 440 1468
Argentina +54 11 4837 7000 Germany 0800 182 5347 Pakistan 888 550 2682
Brazil +55 15 3413 8000 Italy 8008 77334 China +86 21 2892 9000
Venezuela +58 26 1731 3446 Central & Eastern +41 (0) 41 7686 111 Japan +81 3 5769 6803
Russia/CIS +7 495 981 9811 South Korea +82 2 3438 4600
Egypt 0800 000 0015 Singapore +65 6 777 8211
Oman 800 70101 Thailand 001 800 441 6426
Qatar 431 0044 Malaysia 800 814 008
Kuwait 663 299 01
South Africa 800 991 390
Saudi Arabia 800 844 9564
UAE 800 0444 0684
Contents
Contents
Chapter 1 MID applications .............................................................................................................. 1
Chapter 2 Certification .....................................................................................................................2
Chapter 3 MID flow computer and power supply requirements ........................................................3
Chapter 4 Flow computer density calculations .................................................................................4
Chapter 5 TPS and external input connections to the flow computer ................................................ 6
Chapter 6 MID support .....................................................................................................................7
Chapter 7 Read revision and checksum data .....................................................................................8
Chapter 8 Secure the meter ..............................................................................................................9
Chapter 9 Switch to unsecured mode ............................................................................................. 12
Measuring Instruments Directive (MID) Applications Supplement i
Contents
ii Micro Motion® Compact Density Meters (CDM)
1 MID applications
The Measuring Instruments Directive (MID) is a European Union directive (2004/22/EC)
that standardizes 10 types of measuring instruments. For example, MID standardizes the
instruments used for the continuous and dynamic measurement of liquid quantities other
than clean water (Annex MI-005).
TPS connections
The CDM meter provides the raw density information in a time period value over the Time
Period Signal (TPS) output. The TPS output is the “MID”-approved output.
MID applications
Measuring Instruments Directive (MID) Applications Supplement 1
Certification
2 Certification
An assessor uses the voluntary Welmec 8.8 guide to test the essential parts of an MID
liquid measuring system. If the tests pass, the assessor issues an evaluation certificate or
parts certificate.
The CDM has been tested by NMi Certin BV based on Welmec 8.8. OIML R117 was used as
the normative document. The evaluation certificate number is TC8272.
MID labelFigure 2-1:
A. Certificate number
As a result of this test and certification, the CDM can be used in an MID liquid
measurement system.
2 Micro Motion® Compact Density Meters (CDM)
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