YOKOGAWA PH8EFP, User Manual

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IM 12B7J1-01E
< CONTENTS >
vii
12th Edition : Dec.14,2018-00
Model PH8EFP
KCl Filling type pH Sensor
CONTENTS
IM 12B7J1-01E 12th Edition

INTRODUCTION .............................................................................................i

For the safe use of this equipment .............................................................ii

After-sales Warranty ....................................................................................v
1. Specification ............................................................................................. 1-1
1.1 Standard Specifications ...................................................................................1-1
1.2 Model and Suffix codes ....................................................................................1-3
1.3 External Dimensions ........................................................................................1-5
2. Installation ................................................................................................. 2-1
2.1 Preparation for Installation ..............................................................................2-1
2.1.1 Unpacking and Inspection .................................................................2-1
2.1.2 Mounting Glass Electrode ..................................................................2-2
2.1.3 Mounting Liquid Junction ...................................................................2-2
2.1.4 Installing Holder .................................................................................2-2
2.1.5 Installing Associated Instruments ......................................................2-2
2.2 Requirements for mounting the pH sensor ...................................................2-3
2.2.1 In case of installing the PH8HG Guide-pipe Holder ..........................2-3
2.2.2 Installing Sensor in PH8HS Submersion Holder ...............................2-5
2.2.3 Installing Sensor in Flow-through Holder ...........................................2-8
2.3 pH Sensor Cable Wiring Procedure .............................................................. 2-11
2.3.1 Processing of Cable Inlet Hole......................................................... 2-11
2.3.2 Connecting Sensor Cable ................................................................ 2-11
2.3.3 Connecting Sensor Cable to FLXA202/FLXA21 .............................2-12
2.3.4 Connecting Sensor Cable to Two-wire pH Transmitter ...................2-12
2.3.5 Connecting Sensor Cable to FLXA402 ...........................................2-13
3. Maintenance on operation ....................................................................... 3-1
3.1 Operation and Periodic Maintenance .............................................................3-1
3.1.1 Calibrating pH Sensor Using Buffer Solutions ...................................3-1
3.1.2 Pressurizing Reserve Tank ................................................................3-1
3.1.3 Replenishment of KCl Solution ..........................................................3-1
3.1.4 Cleaning Glass Electrode and Liquid Junction ..................................3-2
3.2 Replacing Consumable Parts ..........................................................................3-3
3.2.1 Replacing Glass Electrode ................................................................3-3
3.2.2 Replacing Liquid Junction ..................................................................3-3