Yokogawa DM8C/VD6 Liquid Density Analyzer - Manual (Page 8)

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IM 12T03A01-02E
<CONTENTS>
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