Manual

v
IM 12T03A01-02E
<CONTENTS>
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 Speci cations ................................................................................... 1-1
1.1.1 General Speci 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 Suf 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 Speci 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