YOKOGAWA TB820D, User Manual, Page: 4 / 87

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IM 12E01B30-02EN
<CONTENTS>
2nd Edition : June 09 , 2021-00
TB820D
Right Angle Scattered Light Turbidity Detector
CONTENTS
IM 12E01B30-02EN 2nd Edition
◆ INTRODUCTION .............................................................................................i
1. OVERVIEW ................................................................................................ 1-1
1.1 Measurement system and structure ...............................................................1-1
1.2 Part Name and Functions ................................................................................1-2
1.3 Specifications ....................................................................................................1-2
1.4 Model and Codes .............................................................................................. 1-3
1.5 External Dimensions ........................................................................................1-4
1.6 Measurement principle .....................................................................................1-4
2. INSTALLATION, PIPING, AND WIRING ..................................................... 2-1
2.1 Wiring .................................................................................................................2-2
2.1.1 SENCOM cable for turbidity and chlorine (A) ....................................2-6
2.1.2 Power cable for FLXA402T (B) ..........................................................2-6
2.1.3 Power supply cable (C) ......................................................................2-6
2.1.4 Wiring with PG400 .............................................................................2-7
2.1.5 When Relay box for solenoid valve is included .................................2-7
2.2 Piping .................................................................................................................2-9
2.2.1 System Using an Open Head Tank (/D3) ..........................................2-9
2.2.2 A system using a Simple head tank (/D2) .......................................2-12
2.2.3 System Using a Pressurized Head Tank (/D1) ................................2-14
2.2.4 System without a Head Tank ...........................................................2-17
3. PREPARATION for OPERATION ............................................................. 3-1
3.1 Piping and Wiring Check .................................................................................. 3-1
3.2 Confirming detector condition ..................................................................................... 3-1
3.3 Supplying Power and switching operation mode ...................................................... 3-1
3.4 Filling zero water and Test operation .............................................................. 3-2
3.5 Setting Operation Parameters ......................................................................... 3-2
3.6 Calibration ......................................................................................................... 3-2
3.7 Supplying a Sample and Adjusting the Flow Rate ........................................ 3-3
3.8 Adjusting ultrasonic power ............................................................................. 3-4
3.9 Switching to measurement mode ................................................................... 3-4
4. SETTING PARAMETERS ......................................................................... 4-1
4.1 Measure setting ................................................................................................. 4-3
4.1.1 Negative value non output .................................................................4-3
4.1.2 Turbidity unit select ............................................................................4-3