Yokogawa EXAxt PH450 4-Wire Analyzer for pH and ORP - Manual (Page 69)

Revision Record
Manual Title : Model PH450G [Style: S2] pH and ORP Converter
Manual Number : IM 12B07C05-01E
Edition Date Remark (s)
1st Jul. 2007 Newly published
2nd Sep. 2007 Back-side of cover,note added; p1, FM approval description of
Figure 1-1 changed; p7, some CAUTION of Figure 3-4 and the
touchscreen added; p21,sec. 4-3-11 Serial number changed; p23,
parameter values corrected; p27, parameter values corrected;
p29, parameter values corrected; p31, made some revisions;
p43, some CAUTION of the touchscreen added; p45 to p48 Sec.
9 QUALITY INSPECTION inserted; p49 Sec. 10 SPARE PARTS
section and page moved; p50 to p56 APPENDICES page moved
(p51, note of serial number added; p56, APPENDIX 4, Control
drawing for FM approval added); CMPL 12B07C05-02E, 1st
Edition, made some revisions.
3rd Aug. 2008 Revisions:
Back-side of cover, note illustration added; p2, Description of
hold contact outputs changed; p3, Japanese added to display
language; p4, option codes /U, /PM, /H5, /AFTG, /ANSI, /AM20
added to Model and codes; p5 to 6, Layout changed (Figure
3-1. moved and changed, because external dimensions for
awning hood /H5, conduit adapter /AFTG, /ANSI, /AM20 added);
p7, Figure 3-4 title modified; p8, conduit adapter work added
to subsection 3-2-2; p9 to 11, Layout changed (descriptions
after conduit adapter work moved.); p12, Description changed
for subsection 3-6-1 Impedance measurement jumper settings;
p13, some error corrected; p14, some error corrected; p20,
Subsection 4-3-10. Projected replacement description corrected;
p21, Subsection 4-3-11. Serial number --> HART ID. changed;
p24 to 39 Layout changed (illustration of submenu screen placed
on appropriate page); p41, some error corrected; p47, some
error corrected; p55, Note of HART protocol DD files URL added;
Customer Maintenance Parts List CMPL 12B07C05-02E revised
to 2nd edition, because Part No. for option codes /U, /PM, /H5,
/AFTG, /ANSI, /AM20 added.
4th Mar. 2012 Revisions:
PREFACE, Addition of “How to dispose the batteries”; p3 to
4, Some revision of N) Safety and EMC conforming standards
(description for EMC revised);.p19, HART communication mark
added to Figure 4-1; p44, Section 7-3 “Contrast adjustment”
changed to “LCD adjustment”, some caution added; Customer
Maintenance Parts List CMPL 12B07C05-02E, revised to 4th
Edition, some of illustration changed.