Yokogawa DM8C/VD6 Liquid Density Analyzer - Manual (Page 7)

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IM 12T03A01-02E
Model DM8
Vibration Type Density Meter
CONTENTS
IM 12T03A01-02E 3rd Edition
 INTRODUCTION ...................................................................................................i
 For the safe use of this equipment ...................................................................ii
 After-sales Warranty ..........................................................................................iv
1. GENERAL
.................................................................................................. 1-1
1.1 Standard Specifi cations ................................................................................... 1-1
1.1.1 General Specifi cations ....................................................................... 1-1
1.1.2 Detector .............................................................................................. 1-2
1.1.3 Converter Model DM8C ..................................................................... 1-3
1.1.4 Special Cable Model DM8W .............................................................. 1-5
1.1.5 Standard Accessories ........................................................................ 1-5
1.2 Models and Suffi x Codes ................................................................................. 1-6
1.2.1
General Purpose Detector ................................................................. 1-6
1.2.2 Flameproof Detector .......................................................................... 1-6
1.2.3 Sanitary Use Detector ........................................................................ 1-6
1.2.4 Converter ........................................................................................... 1-6
1.2.5 Special Cable ..................................................................................... 1-6
1.3 External Dimensions ........................................................................................ 1-7
1.3.1 Detector .............................................................................................. 1-7
1.3.2 Converter Model DM8C ..................................................................... 1-9
1.3.3 Special Cable Model DM8W ............................................................ 1-10
1.4 Cautions in Handling Flameproof, Explosionproof Instruments .............. 1-11
1.4.1
Outline of Explosionproof Instruments ............................................. 1-11
1.4.2 Labeling the Explosionproof Specifi cations ..................................... 1-11
1.4.3 Installation Area and Ambient Conditions ........................................ 1-12
1.4.4 External Wiring Work ....................................................................... 1-12
1.4.5 Maintenance Procedure .................................................................. 1-12
1.4.6 Repairs ............................................................................................. 1-12
2. PRINCIPLES OF OPERATION ................................................................. 2-1
2.1 Measuring Principle .......................................................................................... 2-1
2.1.1 Density Detector ................................................................................ 2-1
2.1.2 Density Converter .............................................................................. 2-2
2.2 Main Components ............................................................................................. 2-3
2.2.1 Density Detector ................................................................................ 2-3