YOKOGAWA PH200 User Manual

IM 12B6C2-H-H
CONTENTS
1. INTRODUCTION ..................................................................1
1-1. Application......................................................................1
1-2. Required components for pH measurement...................1
1-3. Identification ...................................................................1
2. TECHNICAL SPECIFICATIONS...........................................2
2-1. General specifications.....................................................2
2-2. Functional description.....................................................3
3. INSTALLATION AND WIRING .............................................4
3-1. Installation and dimensions.............................................4
3-1-1. Installation site ...................................................4
3-1-2. Mounting methods.............................................4
3-2. Wiring of sensors............................................................6
3-2-1. General precautions...........................................6
3-2-2. Additional precautions for installations in
hazardous areas ................................................6
3-2-3. Liquid earth........................................................6
3-2-4. Access to terminal and cable entry....................6
3-2-5. Connection diagram for sensors........................7
3-3. Wiring of power supply...................................................8
3-3-1. General precautions...........................................8
3-3-2. Additional precautions for installations in
hazardous areas ................................................8
3-3-3. Connection of the power supply........................8
3-3-4. Switching the instrument on...............................8
4. COMMISSIONING..............................................................11
4-1. Operations overview .....................................................11
4-2. Output range adjustment.....................OUTPUT...........12
4-3. Set up the HOLD function ...................SET HOLD........14
4-4. Sensor selection and diagnostics..................................16
4-4-1. Selection of measurement and reference
electrode..........................................................16
4-4-2. Selecting a temperature sensor .......................16
4-4-3. Off-line calibration checks................................16
4-4-4. On-line impedance chacks ..............................16
5. MAINTENANCE..................................................................17
5-1. Automatic calibration...........................AUT.CAL...........18
5-2. Manual calibration ...............................MAN.CAL .........20
5-3. Selecting a value to display .................DISPLAY...........22
5-4. Temperature compensation.................TEMP ...............24
5-5. Hold output function.....................................................26
6. TROUBLE SHOOTING.......................................................28
6-1. Introduction ..................................................................28
6-2. Error messages and explanation...................................29

YOKOGAWA PH200 Specifications

General

Brand	YOKOGAWA
Model	PH200
Category	Measuring Instruments
Language	English