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PH202G (S)
YOKOGAWA PH202G (S) User Manual
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IM 12B6C3-E-E
5-5 Parameter
setting
5-1-4.
Manual impedance
check
12B6C3-36
NO
YES
pH
AUT.CAL
YES
NO
pH
MODE
NO
NO
NO
NO
YES
pH
YES
NO
NO
YES
pH
5-1-4.
Manual
Impedance
Chec
k
Return to measuring
mode after updating
impedance chec
k
Note: The manual impedance start
is available when the sensor impedanc
e
measurement is enabled in Service
Code 3 and 4.
This enables the impedance data to be
updated immediately after a maintenance
event (e.g.
replacing an
electrode).
YES
MODE
pH
O
UT
P
UT
S
ET
HO
L
D
S
ER
V
IC
E
ENT
NO
MODE
YES
Y
O
K
O
G
A
W
A
ME
ASU
RE
41
43
Table of Contents
Default Chapter
2
Table of Contents
2
Preface
4
1 Introduction and General Description
5
Instrument Check
5
Application
6
2 Ph202 Specifications
7
Genera
7
Operating Specifications
8
Model and Suffix Codes
9
3 Installation and Wiring
20
Installation and Dimensions
20
Installation Site
20
Mounting Methods
20
Preparation
22
Cables, Terminals and Glands
22
Wiring of Sensors
23
General Precautions
23
Additional Precautions for Installations in Hazardous Areas
23
Liquid Earth
24
Access to Terminal and Cable Entry
24
Wiring of Power Supply
24
General Precautions
24
Connection of the Power Supply
25
Switching the Instrument on
25
Wiring the Sensor System
26
Impedance Measurement Jumper Settings
26
Sensor Wiring
27
Connection Cable
28
Sensor Cable Connection with Special Grommet
29
Sensor Cable Connections Using Junction Box (BA10) and Extension Cable (WF10)
30
4 Operation; Display Functions and Setting
32
Operator Interface
32
Explanation of Operating Keys
33
Setting Passcodes
34
Passcode Protection
34
Display Examples
34
Display Functions
35
Display Functions Ph (Default)
35
Display Functions Ph (ORP)
36
Display Functions Ph (Rh)
37
5 Parameter Setting
38
Maintenance Mode
38
Manual Temperature Selection and Adjustment
39
Process Temperature Measuring in ORP Mode
40
Manual Activation of HOLD
41
Manual Impedance Check
42
Commissioning Mode
43
Output Range
44
Hold
45
Service
47
Parameter Specific Functions
48
Temperature Compensation and Measuring Functions
50
Calibration Functions
52
Ma Output Functions
55
User Interface
56
Communication Setup
58
Genera
58
Test and Setup Mode
58
6 Calibration
61
Automatic Calibration
61
Manual Calibration
61
Sample Calibration
61
Data Entry
61
Calibration Procedures
62
Automatic Calibration
62
Automatic Calibration with HOLD Active
63
Manual Calibration (2Nd Parameter Calibration)
64
Sample Calibration
66
7 Maintenance
69
Periodic Maintenance for the EXA Transmitter
69
Periodic Maintenance for the Sensor System
69
8 Troubleshooting
71
Diagnostics
72
Off-Line Calibration Checks
72
On-Line Impedance Checks
72
Error Codes
73
9 Spare Parts
74
10 Appendix
75
User Setting Table
75
Configuration Checklist for PH202G
77
Setup for Sensor Compatibility
78
Genera
78
Selection of Measurement and Reference Electrode
78
Selecting a Temperature Sensor
78
Setup for Other Functions
79
Set up for Pfaudler Type 18 Sensor
80
General Set up
80
Calibration Set up
80
Device Description (DD) Menu Structure
81
Field Change Order
82
11 Test Certificate
84
4
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YOKOGAWA PH202G (S) Specifications
General
Brand
YOKOGAWA
Model
PH202G (S)
Category
Transmitter
Language
English
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