Yokogawa DM8C/VD6 Liquid Density Analyzer Instrukcja Użytkownika Pobierz pdf (Strona 8)

IM 12T03A01-02E

2.2.2 Density Converter .............................................................................. 2-4

3. INSTALLATION, PIPING AND WIRING .................................................... 3-1

3.1 Installation of Density Detector ....................................................................... 3-1

3.1.1 Mounting Density Detector ................................................................ 3-1

3.1.2 Sampling Unit for Vibration Type Density Meter ................................ 3-2

3.2 Installation of Density Converter .................................................................... 3-6

3.2.1 Installation Area.................................................................................. 3-6

3.2.2 Installation of Density Converter ........................................................ 3-6

3.3 Piping ............................................................................................................... 3-10

3.3.1 Sample Liquid Conduit ..................................................................... 3-10

3.3.2 Air Piping for Maintenance ............................................................... 3-11

3.3.3 Steam Piping .................................................................................... 3-11

3.3.4 Piping for Air Purge .......................................................................... 3-12

3.4 Wiring ............................................................................................................... 3-13

3.4.1 Wiring between Detector and Converter ......................................... 3-14

3.4.2 Wiring for Analog Output Signal ....................................................... 3-16

3.4.3 Wiring for Digital Output Signal ........................................................ 3-16

3.4.4 Wiring for Abnormal Status Contact Output ..................................... 3-16

3.4.5 Wiring for Power Supply ..................................................................3-16

3.4.6 Wiring for Grounding ........................................................................ 3-16

4. OPERATION .............................................................................................. 4-1

4.1 Component Names and Function ................................................................... 4-1

4.1.1 Density Detector ................................................................................ 4-1

4.1.2 Density Converter .............................................................................. 4-2

4.2 Operation ........................................................................................................... 4-3

4.2.1 Operation Mode ................................................................................. 4-3

4.3 Preparation for Measurement .......................................................................... 4-7

4.3.1 Check for Piping ................................................................................. 4-7

4.3.2 Check for Wiring................................................................................. 4-7

4.3.3 Measuring Liquid Flow ....................................................................... 4-7

4.3.4 Turning ON the Power ....................................................................... 4-8

4.3.5 Data Input ........................................................................................... 4-8

4.3.6 Pressure Compensation .................................................................... 4-9

4.4 Calibration ......................................................................................................... 4-9

4.4.1 Calibration with Standard Solution .................................................. 4-10

4.4.2 Calibration with a Sample ................................................................ 4-11

4.4.3 Calibration Error ............................................................................... 4-11

4.5 Operation ......................................................................................................... 4-12

4.5.1 Operation Procedure ....................................................................... 4-12

4.5.2 Check of Measured Density Value................................................... 4-12

4.5.3 Shutdown ......................................................................................... 4-12

5. MAINTENANCE ......................................................................................... 5-1

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Yokogawa DM8C/VD6 Liquid Density Analyzer Instrukcja Użytkownika Strona 8

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