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1 The rmo Orion Model 920A ph/ ISE Meter

2 I. 1 II. A. 1 B. Keypad 2 III. A. 13 B. 13 IV. 14 V. A. 15 B. 16 VI. ph A. ph 17 B. ph 18 VII. A. 20 B. 21 VIII. A. Calibration Edit (cal) 23 B. Incremental T echniques 24 C. 25 D. Known Addition 25

3 E. Known Subtraction 26 F. Double Incremental T echniques 27 G. Double Known Addition 27 H. Double Known Subtraction 29 IX A. 30 B. mv 30 C. REDOX(ORP ) 31 D. (D.O.) 31 E. Karl Fischer 32 X. A 33 B. 34 C. 607 Switchbox 36 D Strip Chart Recorder 36 XI. T ROUBLESHOOT ING A. 37 B. 38 C XIII. 42 XIV. 43 XV. 44 X. 45

4 A. Meter Default 45 B. 46 C. Blank 47 D. 49 E. Orion meter PC 50 F. ph 51 G. ph 52

5 920A ph/ IS E M eter [ ]M et er, A T C 1. ph, AT C( ; ), ph Meter. (920A M od el 2 2 inp ut. CH - 1 inp ut1 CH -2 inp ut2. 2nd channel CH - 1 CH -2.) 2. Meter. *date/ tim e,,,, ( y es.) [ ]Calibration Calibration 2 Sample ph 7.00, 4.01 Sample ph 7.00, Calibration. Meter Calibrate Calibration ENT ER NO. BUFFERS Calibration 2( ) yes., BUFFER1 ph AT C RDY CAL AS 7.XX 2 yes. ph AT C ph AT C ( )., BUFFER2 4.01, ph AT C. RDY CAL AS 4.XX ( 4.01, XX) 2 yes. SLOPE XX.X PCT Sample. SL OP E Calibration P CT Calibration (80 ).

6 Calibration Calibration Calibration ph Meter ph. ph Calibration.( - ) Calibration Sample Sample Calibration. [ ]S am ple 30.(Warming up) Sample 7.00 ph AT C Meter Calibration.(Calibration ) ph AT C AT C Sample. Samp le. MEASURING READY Sample ph. [ ] M e te r 1. Meter ( back- up.) 2. Calibration data.(meter data back - up )

7 I. ORION ph ph ISE. ORION M odel 920A ph/ ISE. ORION ph, k eypad,. 920A. II. A. 920A (1), keypad (2), ORION 900A RS 232C (3). 1

8 B. K eypad 920A keypad., in crem ent techniques cal edit. y es. n o. 1st 1. 2nd 2. num eric key s. 920A. 1 (1n d ). 2

9 K ey 1 M ode m ode.. K ey 2 Calibrate calibrate... Cal E dit 2nd/ 2(cal/ edit ).. VIII. 920A. K ey 3 M easure m easure.,,, RDY, HLD. hold hold. S tability 2nd/ 3 (st ability ). m V/ m in drift. mv/ m in bar. K ey 4 H old hold. hold (4). h old hold on off.. ) H OL D ON hold on ready on., m easure. hold HLD. default off. I ncr T ech In crem ent al techniques. single and 3

10 double Know n A ddition Kn ow n Subtraction. VIII. 920A. 2n d/ 4(in cr tech ). K ey 5 R esolution 920A ph 3. resolution (5). ph , 7.00, A 3. resolution (5) 1 2, , 19000, ready.,,...,. Channel 2nd/ 5 (channel). 920A 1 -p H 2 - F - I.D.. ) 920A. K ey 6 S lop e slope (6).. slope iso point. E lectrode I.D. 2nd/ 6 (electrode id ).. y es. n o... K ey 7 P rint/ Datalog 4

11 print/ dat alog.,, m V,,. datalog off. print datalog. print dat alog preset tim ed interv al h old off. m V 2nd/ 7 (m V ) m V. m V.. K ey 8 T im er. 8 (activ at e tim er ) tim er. 1 ( ). A ctivate T im er 8 (activ at e tim er ) tim er (activ ate tim er ). 2. A CT IVAT E T IMER? y es. 3. T IMER ON. 4. T IME REMAINING T URN OF F? tim er. y es tim er. 5. T IMER OF F 6. T IMER ON no. S et T im er 2nd/ 8 (tim er interv al) tim er.. 5

12 1. T IMER INT ERVAL 2n d/ 8 (tim er int erv al). 2. T IMER INT ERVAL H OUR y es. 3. T IMER INT ERVAL MINUT E y es. 4. T IMER SECOND y es. 5. T IMER INT ERVAL. K ey 9 S et T emp. ph. 9 (set t em p ).., 9 (set t em p ) 25.0 DEG ENT ER VALUE. y es... R eady. ready on/ off. ready 2nd/ 9 (ready ). (, READY OF F ). ready. ready. 920A ready RDY. K ey +/ - Date/ T im e. +/ -. +/ - (date/ time). 6

13 1. ENT ER M ONT H yes. 2. ENT ER DAY yes. 3. ENT ER YEAR yes ENT ER H OUR yes. 6. ENT ER MINUT E yes : B eep 920A on off. b eep on RDY,,. BEEP off, alarm tim er. 2nd/ +,- beep on/ off. BEEP ON 2nd/ +,-.. K ey.( ) Data/ P rint M odes datalog alarm.. P rinting 920A 900A printer print er 3. 7 (print/ dat alog ), RDY. (dat a/ print m odes ). 7

14 1. (dat a/ print m odes ). 2. MANUA L PRINT. 3. SET PRINT M ODE? y es RDY 2- T IM 3- MAN.. 1- print on ready, 2- print at a tim ed interv al, 3- m anu al print. 1, 2, 3 y es. 5. MANUA L PRINT print/ dat alog. 2- tim ed print st ep PRT INT RVL HRS PRT INT RVL MIN PRT INT RVL SEC PRINT INT ERVA L. 10. SET LOG M ODE y es n o. A utomatic Datalog F unction data 25. dat a clear. 1- log on ready, 2- log at a tim ed interv al, 3- m anu al log, 0- disable disable dat a. h old off. 1. (dat alog/ print ). 2. MANUA L PRINT. 3. SET PRINT M ODE? n o. 4. DAT A LOG MA NUAL dat alog. 5. SET LOG M ODE y es DISABLE 1- RDY 2- T IME 3- MAN datalog. n o. y es. 7. DAT A LOG MA NUAL dat alog. 8. T IMED LOG 2- datalog at a preset tim e int erv al. 9. DAT A LOG INT HR y es. 10. DAT A LOG INT MIN y es. 11. DAT A LOG INT SEC y es. 8

15 DAT A LOG INT ERVAL. S etting the A larm 920A.... ph , Con c 19900, mv , Rm V y es nd/ (alarm ). 2n d/ (alarm ) P H LIMIT HI P H LIMIT LO... 2nd/ ch ann el. K ey 0 S tandby st an dby.. 0(st andby ) ST ANDBY : ANY KEY.. autoshut off. Op tions, dat a tran sfer, data clear, aut oshut off, sw itchbox. loop. OPT IONS MENU 9

16 CHANGE IS O PT? T RANSF ER DAT A? CLEAR DA T A? AUT OSHUT OF F ON SW IT CHBOX IN USE?. : CH A N GE I S O P T? p H. m V R el m V DA TA T RA N S F E R?. Chang ing the I sop otential P oint( ) ph ISE. default ph ISE (NO ISE ). ISE... I.D.. 2n d/ option. 1. OPT ION MENU CHAN GE IS O PT? y es. 2. IS O- ENT ER VA LUE y es. 3. IS O EQUALS T RA NSF ER DAT A 1st/ calibrat e 1st/ m easure. T ransf er Data DAT A T RANSF ER? y es. T RANSF ER DAT A. DAT A T RAN SF ERRED.. Data Clear 10

17 . DAT A CLEAR? y es. DAT A CLEARING DAT A CLEARED.. : DA TA CL EA R. A utoshutoff autoshut off. aut oshutoff ON 10 st andby.. 2n d/ 0(option s ). 1. OPT ION MENU CHAN GE IS O PT? n o. 2. T RA NSF ER DAT A? n o. 3. DAT A CLEAR? n o. 4. AUT OSHUT OF F ON th en T URN OF F? y es. 5. AUT OSHUT OF F OF F it em. Use of Switchbox 920A A 607 sw itchbox. 2n d/ 5 (ch ann el). 920A. 2n d/ 0(option s ). 1. OPT ION MENU CHAN GE IS O PT? n o. 2. T RA NSF ER DAT A? n o. 3. DAT A CLEAR? n o. 11

18 4. AUT OSHUT OF F ON th en T URN OF F? n o. 5. SW IT CHBOX IN USE? y es. 5. SW IT CHBOX ENABLED. 12

19 III. A. :. 1. BNC sh ortin g cap (Cat. No ). 2. AT C probe. 3. lin e adapt er (Cat. N o ). y es.( y es ) a.. T E ST 1 8. b. T EST 7. c. T EST 8. d.. B ,. 13

20 I V ph m ode. a. channel 1 2nd/ ch ann el. b set tem p 25.0 y es. 2. 2nd/ electrode id 1- ph y es. 3. calibrat e. a. 1 y e s. b READY CA L A S y es. c. slope P CT y es. d. MEA SURE m ode m V m V. 5. m ode. a. con n d/ electrode id 13(Na +) y es. b. calibrat e. y es. c READY ENT ER VALUE 1.00 y es. d. slope 59.2 m V y es. e m ode ph. a. 2nd/ ch ann el 2. b. 2 step st ep 1 6. sh ortin g cap. 14

21 V. A. (1) Input 1 & 2. BN C ph,, REDOX.(Input 1 sh ortin g cap, Input 2 shorting cap.) (2) Ref. 1 & 2. pin - tip. (3) Gnd. pin - tip. (4) A T C DIN AT C probe. (5) KF Karl F isch er. pin - tip. (6) Rec m m strip chart. tip ring. (7) P ow er. ORION line conv ert er. (8) BN C BN C Sh ortin g Cap 15

22 B. 1. BNC. pin - tip. : B N C p in - tip. 2. AT C probe AT C.. 16

23 VI. p H A. ph ( ) ph.....,., ph...., ph ( 2.00 or 12.00),. ORION.. AT C. A T C.. :... ph. AT C. AT C ph.. set t em p. ph. 17

24 B. p H 0.5 ph 5 (1.68, 4.01, 7.00, 10.01, 12.46) 920A. 0.5 ph NO AUT OBUF F ER.. ph.. REA DY CAL A S y es. 1.68, 4.01, 7.00, 10.01, READY ENT ER VALUE y es. p H 920A , 7.00, , nd/ ch ann el.., CH ph m ode. : 1s t/ m eas ur e. 18

25 p H Calibration 2 S am ple ph 7.00, 4.01 S am ple ph 7.00, Calibration. 1. M eter Calibrate Calibration ENT ER NO. BUF F ERS Calibration 2( ) y es. 2., BUF F ER1 ph A T C RDY CAL A S 7.XX 2 y es. 3. ph AT C ph A T C ( ). 4., BUF F ER2 4.01, ph AT C. RDY CA L A S 4.XX ( 4.01, XX ) 2 y es. 5. SLOPE XX.X P CT S am ple. S L OP E Calibration P CT Calibration (80 ). 6. Calibration Calibration Calibration ph M et er ph. ph Calibration.( - ) Calibration S amp le S amp le Calibration. 19

26 VII. A.,,.....,.,.,.., ppm, %..,. ppm ppm.,. 920A..,.,...,. A utoblank blank. backgroun d lev el. blank. lev el blank... background lev el blank.. 20

27 28- X X y es. B ID., 1- F -. 2nd/ ch ann el nd/ electrode ID. 1. 2nd/ electrode ID. 1- ph 2.. y es. 1- ph 2- O2 3- F - 4- Cl - 5- Br - 6- I - 7- NO3 8- CN - 9- NH CL NOX 12- CO2 13- N a K A g S Ca Cu Pb Cd ClO4 22- BF S CN KF 25- REDOX 26- X X - 3. no. 1- F - 5. MEA SURE. 3. con m ode. 4. ph. : 1s t/ m eas ur e. 5. calibrat e. CALIBRAT E. 6. ENT ER NO. ST DS y es. 21

28 REA DY ENT ER VALUE, y es. 9. st ep SLOPE mv/ DE C. y es. :. +( ) - ( ) ( ; F - ) MEA SURE READY. 22

29 VIII. A. Calibration E dit(cal) ph... Rem easure Edit. Rem easure,. Edit chan ge delete. dat a error chan ge,. delete.... ph ISE., N O CALIBRAT ION MEA SURE... ph ST D BUF F ER. 1. 2n d/ cal edit. 2. ST D1 OK? 1. y es, n o.. 3. n o 1- REMEA S 1- EDIT 1 2 y es READY ENT ER VALUE. y es.. 23

30 CHANGE 2- DELET E 1 2 y es ENT ER VA LUE. y es ST D 2 OK?.. B. Increm ental T echniques 920A know n addition, know n subtraction.. single double..,, double. double.. K n o w n addit i on,,. K n o w n s u bt ract i on. 24

31 C. 1., (, ), , 1- CL. 2nd/ channel. 3. 2nd/ electrode id. 4. sin gle. D. K nown A ddition ml m l X 1 m l 100X 5 m l 20X 10 ml 10X kn ow n addition n d/ in cr tech A DDN 2- SUBT R 1 y es. 3. KNOW N ADDN.. 25

32 4. 1- SIN GLE 2- DOUBLE 1 y es. 5. SINGLE KNOW N ADDN. ELECT RODE SLOPE y es. 6. SAMPLE VOULME? y es. 7. T OT AL V OLUME?., 100 m l 10 m l, 110, y es. 8. ST D CONC? y es NA + IN SAMPLE? y es. 10. MEA SURING SAMPLE y es. 1- NA + READY YES CONT INUE 11. 1ST ST D V OLUME? y es ST ST D ADDED? y es. 13. MEA S G SAMP +ST D y es. 1- NA + READY YES T O CONT INUE 14. S KA RESULT. y es. 15. REPEAT T E CHNIQUE? y es st ep 5, no. E. K nown S ubtraction kn ow n subtraction. know n subtraction kn ow n addition.., (S - - ) (A g +)

33 100 ml m l X 1 m l 50X 5 m l 10X 10 ml 5X kn ow n subtraction 2- SUBT R. F. D ouble Increm ental T echniques double in crem ent al techniques. sin gle in crem ent t echniqu es. double increm ent al t echniqu es.. carry ov er m em bran e error. double increm ental t echniqu es..,. increm ent addition..,... G. D ouble K nown A ddition double know n addition. 100 m l m l. 10 m l. double kn ow n addition.. 2 7

34 1. 2n d/ in cr tech A DDN 2- SUBT R 1 y es. 3. KNOW N ADDN SIN GLE 2- DOUBLE 2 y es. 5. DOUBLE KN OW N ADDN. 6. SAMPLE VOULME? y es. 7. T OT AL V OLUME?., 100 m l 10 m l, 110, y es. 8. ST D CONC? y es NA + IN SAMPLE? y es. 10. MEA SURING SAMPLE y es. 1- NA + READY YES T O CONT INUE 11. 1ST ST D V OLUM E? y es ST ST D ADDED? y es. 13. MEA S G SAMP +ST D y es. 1- NA + READY YES T O CONT INUE 14. 2ND ST D V OLUME? y es ND ST D ADDED? y es. 16. MEA S G SAMP +ST D y es. 1- NA + READY YES T O CONT INUE 28

35 17. SLOPE DKA RESULT. y es. 19. REPEAT T E CHNIQUE? y es st ep 5, no. H. D ouble K nown S ubtraction double kn ow n subtraction. double kn ow n addition.. subtraction. Double kn ow n subtraction. 100 m l m l. 10 m l. :., (S - - ) (A g +)

36 IX A AT C probe A., 1- ph 25.0 C RDY VI ph. B. m V 920A m V m V. (ORP, REDOX ),. ORION. ORION REDOX (M odel 9678, 9778). m V mv m V m ode. mv m V 0.1 m V. m V m V m V. m V 1. RM V m ode REDOX 25.0 C READY calibrat e. 30

37 3. CALIBRAT E RMV. 4. READING ST ANDARD. 5. READY ENT ER VALUE 0.0. y es, y es. 6. OF F SET IS offset REDOX 25.0 C READY. C. R E D OX (OR P ) redox ( ) mv mv REDOX. 2nd/ electrode ID 25- REDOX y es. 3. m V m ode. redox. 4. redox RmV m ode. m V offset. D. (D.O.) ORION 920A ORION M odel D.O ppm , off. 2. 2nd/ ch ann el. 3. AT C. : A T C p robe. 4. m ode ph. 5. hold hold off. 31

38 6. m easure. set t em p 25.0 y es. 7. calibrat e. 1 y es y es y es O2. 2n d/ electrode ID. 2- O2 y es. 11. BT CK ZERO zero. 13. BOD funn el. m embrane. BOD AIR. ph m mh g (mm H g 100 ) AIR. 2ppt, A IR 9708 table H 2O. E. K arl F ischer 10 A Karl F ischer. Karl F ischer (Cat. No ). 1. KF pin - tip KF. pin - tip. 2. KF BNC BNC. 3. KF pin - tip. 4. m V m ea sure. 920A KF

39 X. A 920A RS 232C,. (Cat. N o. 0A CBLO) IBM - P C... Baud rate : 1200 Dat a bit s : 8 bit s No parity 1 st art bit 1 st op bit METER P IN P RINT ER P IN RX D T X D D S R S IG GN D DT R RT S CT S RXD S IG GND RT S RS 232C DB - 9 style. 900A 900A. 900A lin e adapter. 9 pin D sh ell.. Com m an d Print. Ready Print READY. T im ed P rint. 33

40 B. P C RS 232C. rem. list.. -. o thru 9 al A larm Lim it s at T im er beep BEEP cal (calibrate ) ce (calibrat e edit ) disp,, display dlz (clear datalog ) dpm dt ech eid ex it fir 1 help list hold h old it m eas (m easure) m ode m v m V n n o opt pr ready ready rem res resolution sec 2 slope st ab st an d t em p tim er tim er y y es : help rem help. 34

41 100 ' **************************************************************************************** 110 ' 5 disp ph 920A 120 '. ph 5.00 pr 130 '. <ESC> 140 '. QBASIC 150 '. 160 ' **************************************************************************************** 200 OPEN "COM1:1200,N,8,1" F OR RANDOM AS #1 210 ON COM (1) GOSUB 470: '. 220 COM (1) ON : 'ALLOW COM (1) INT ERRUPT 230 CLS : PRINT "LOGGING IN...": LOGFLAG = 1: ST POS = PRINT #1, "rem": 'rem 250 WHILE T I = T IME + 5: ' WHILE T IMER < T I 280 KP$ = "": KP$ = INKEY$ 290 IF KP$ = CHR$ (27) T HEN 350: ' <ESC>. 300 WEND 310 IF LOGFLAG = 2 T HEN LOGFLAG = 0: CLS : PRINT LG$ 320 PRINT #1, "MP " + CHR$ (13): '. 330 IF PH > 5! T HEN PRINT #1, "PR" + CHR$ (13): ' ph WEND 350 PRINT #1, "EXIT " 360 PRINT "END OF PROGRAM." 370 CLOSE #1: COM (1) OFF : '. 380 END 390 ' 400 ' **************************************************************************************** 410 '. 420 ' LF (line feed). 430 '. 440 ' **************************************************************************************** 460 ' 470 A$ = "": LF = IF NOT EOF (1) T HEN A$ = INPUT $ (LOC(1), #1) 490 L$ = L$ + A$ 500 IF INST R (L$, CHR$ (10)) = 0 T HEN RET URN 510 IF LOGFLAG = 1 AND INST R(L$, "ORION") T HEN GOSUB IF PHPLAG = 1 T HEN GOSUB 600: GOT O IF INST R (L$, "MP ") T HEN GOSUB 600: GOT O 580: '. 540 L$ = MID$ (L$, 1, LEN (L$) - 1): ' LF. 550 IF INST R (L$, "CH ") OR INST R (L$, "ph ") T HEN PRFLAG = IF PRFLAG = 1 T HEN PRINT L$ ; : '. 570 IF INST R (L$, ":") T HEN PRFLAG = 0: PRINT : ' LINE. 580 L$ = "": RET URN 590 ' 600 ' **************************************************************************************** 610 ' disp ph. 620 '. 630 ' ************************************************************************************* 640 ' 650 IF PHFLAG = 0 T HEN PHPLAG = 1: RET URN : 'ph. 660 PH = VAL(MID$ (L$, ST POS, 8)): ' ph. 670 PHFLAG = 0: '. 680 RET URN 690 ' 700 ' **************************************************************************************** 710 '. 720 ' ************************************************************************************* 730 ' 740 LG$ = L$ : 'log. 750 LOGFLAG = 2: 'log. 760 IF INST R (LG$, "920A ") T HEN ST POS = 2: '. 770 RET URN 35

42 C. 607 Switchbox sw it chbox 920A A 2 BN C sw it chb ox BNC. 2. S w it chbox pow er 110V A C 60 H z Line conv erter. 3. 2nd/ option. sw itchbox. sw it chbox 2nd/ ch ann el sw it chbox.. 1. D S trip Chart R ecorder 920A Strip Chart Recorder. Strip Chart Recorder m V. 1.,. 2.5 mm. ( ), ( ). S w it chcraft

43 X I. TR O UB L E SH OOTIN G A. y es.,, y es. : shorting. cap.. (t able 1 ) y es. sh ortin g cap..., T EST 1 : shorting cap T e s t F un ct i on/ D i s play S e qu en c e T E ST #1 S egm ent Display m et er.. T E ST #2 RAM Check RAM. T E ST #3 Ext ernal Input 1 1. shorting cap. T E ST #4 Ext ernal Input 2 2. shorting cap. T E ST #5 Int ernal Reference referen ce. T E ST #6 Groun d Reference. T E ST #7 Keypad T est keypad. PRES S ALL KEYS 8. ERROR 7 error. y es. T E ST #8 A ut oshut off T est on/ off : y es. 37

44 B.. 920A. 920A. E - 00 E Table I E - 1 Error E - 2 RAM Error E Error. shorting cap. E Error. shorting cap. E - 5 Reference Error E - 6 Error E - 7 Keypad Error :.. E - 8 on/ off Error E - 20 E

45 Table II E - 20 out of ran ge 1. p H, m V, R el m V. rang e AT C E - 21 ABR error ph 0.5 p H error ph , 4.01, 7.00, 10,01, ,. 3. filling. 4.. ph.. E - 22 Calibration Std Error mv E - 23 Bad slope ph % (filling solution ). 3.. E - 26 Dat alog F ull nd/ option... 39

46 E - 27 Dat a T ran sfer Error. 1. error. 2., RS 232C IBM P C (Cat. N o. 0A CBL0). E - 29 Printer Error set dat a print m anual print.. E - 31 Bad Value. 1. error ph : ph slope : 80% 120% tim er int erv al : relativ e m illiv olt : concentration : E - 32 Blank Error blank. 0, blank blank. 2. blank

47 C. Table III No Display lin e. A ut oshut off A ut oshut off on 10.. off.. Out of Rang e. error 0.5 ph.... shorting cap 0. RESET MET ER? y es. 41

48 .,,. F CC, P art 15 Subport J, Class A t est. : OR I ON lin e F CC. CDC Cla ss A. XIII. Cat alog N o. Description 0920A 0 M odel 920A ph/ ISE/ m V/ T emperature/ m V M eter, 110V, in clu des cominat - ion RO S S electrode 0BCHSK Bent chtop M et er s St arter Kit, in cludes, AT C probe, ph 4, 7, 10, 0900A 0 for ORION M et er, includes, 1 roll paper 0ACBL0 R S 232C Int erface Cable 9157BN T riode Electrode, in clu des Com bination ph Electrode & AT C Prob e Epox y AT C ( ) Probe Glass AT C ( ) P robe 8102BN ROS S Com bination Glass ph Electrode 8172BN ROS S SURE - F LOW Com bin ation Glass ph Electrode 8165BN ROS S SURE - F LOW Epoxy - Body Com bin ation ph Electrode 8175BN ROS S SURE - F LOW S em i- Micro Epoxy - Body Com bin ation ph Electrode Electrode H older & St and Line Conv ert er 110V ph 4 Buffer S olution, 475 ml ph 7 Buffer S olution, 475 ml ph 10 Buffer S olution, 475 m l ph Electrode St orag e S olution, 475 m l 42

49 X I V. ph / 0.01/ 0.1 ph % LSD 0.5% m V m V 0.2 m V or 0.05 % m V m V 0.2 m V or 0.05 % t o BNC,, ground, AT C, pow er, RS 232C RS 232C, Recorder ( m V F S ), Karl F ischer (- 10 A ) 9 V DC line adapt er, 110/ 220 VA C, 50/ 60Hz > In s t rum en t drif t < 50 V/ < 1 pa ( 25 ) < 4 pa ( ) %, N on - coden sin g m et er dim en s i on inch es,, 43

50 X V. troubleshooting,, SER IA L N O.,. ( ) ( ) TE L : (02) ( ) FA X : (02) TEL : FA X :

51 X. A. M eter D efault ph 100.0% ph ph ready on hold off beep on autoshut off on tim er int erv al 5 print 1- m anu al print print interv al 1 dat alog 0- off ch ann el 1 high alarm lim it off low alarm lim it off 45

52 B. 920A ph (CON ).. E 0 dat a., E 0 4. ph....,, (Nern stian ),.. 46

53 C. B lank 920A blank. blank. blank., blank 3 sm ooth curv e N ern st zero con centration... Nern st blank.. blank blank. blank,. blank Nern st. E = E 0 + S log (C + b ) 47

54 b blank..,. E 1 = E 0 + S log (C1 + b ) E2 = E 0 + S log (C2 + b ) E3 = E 0 + S log (C3 + b ) 3 E 1, E 2, E3 3 C1, C2, C3. blank, blank, Nern st., blank 0. 3, blank. 1. 0, 2.. : E 2 - E 1 10 m V 3. blank blank. st ep 1 2., blank, 3 C3. blank,.. 1, 2, 3,. : 0 blank, E -23. troubleshooting. 3, m ethod. 3 blank. blank. 48

55 D (20 25 ) m V m V m V. 5. sem i- log (log ) m V ( ). 6.. log

56 E. Orion m eter P C RE - 232C output... DT CL RS - 232C (P.N : OA CBLO). 2. P C COM 1 COM 2 port. P C COM 1 C OM phm eter. 5.. COM 1 6. COM 1 Bau d rat e 1200, Dat a bit s 8 bit s, P arity No parity, 1, 7. rem " "pr ". CH - 1 ph =7.00 X.X m V XX.X XX :XX XX - XX - XX 8. IX - B 9. phm eter?. phm et er

57 ph 1. ph ( ) *? Orion ph.. 1). ( ) (Input.). 2). Input Shorting Cap (Input ). 3). (P ow er ). 4). Yes". (1). Sh ortin g Cap Input E - 3. (2). T est 7 30 E - 7. ( Yes", "No", "1st ", "2nd".) 2. ph Re s et * Reset? M et er, (default ). T rouble ( ). 520A, 525A, 720A, 920A M ode l 1. Input. 2. Input Shorting Cap. 3. (.) Reset M eter?", "Yes". 6. Reset. 230A, 250A, 290A, 4 10A, 420A, 7 10A M ode l 1. Input. 2. Input Shorting Cap. 3. S etup. (S etup Code: 2-4) 4. S etup M ode Off S croll ( ) ON Yes. 5. M easure S etup

58 3. ph (1). ( ). (2). Input Shorting Cap. (3). m V, m V. (m V 0.5m V.) 4). m V 0.5mV Reset. ph.,,. 12.,,. ph,. 1. ph S etting,. S en sing Ju ction. - (fillin g solution ) gel type 9107, 9206, 9207 (1) ph7 Buffer 10.( 24..) (2).. (3). T riode ph BN C DIN. - A g/ A g Cl: 9102, 9103, 9104, 9155/ 56, 9157, 9162, 9202, 9203, 9256 Ross : 8102, 8103, 8104, 8115, 8135, 8155/ 56, 8163, 8166, 8202, 8203, 8235, 8256, 8263 (1).. (2). F ill hole ( ) (A g/ A gcl - P/ N900011, Ross - P/ N810007). (3). ( ) fill hole 1cm. (4). reference junction 15 (, junction.) (5). fill hole (.). 52

59 (6).. (7). ph7 Buffer 10.( 24..) (8).., 9157 T riode ph BN C DIN. S u re - f lo w - ( ) Junction. A g/ A gcl , 9172, 9272 Ross , 8172, 8175, 8272 (1).. (2). F ill hole ( ) (A g/ A g Cl - P/ N900011, Ross - P/ N810007). (3). ( ) fill hole (1/ 5 ) 2 Jun ction. (4). fill hole 1cm. (5). fill hole (,.). (6).. (7). ph7 Buffer 10.( 24..) (8).. 2. ph (1)., m V. (2). Buffer, ( Ready ) m V. Buffer 7 m V 30m V, Buffer 4 7 m V 4 m V m V. - 1) 7 m V : 12m V, 4 mv : 179m V : 179m V - 12m V =167m V, m V. - 2) 7 m V : 10m V, 4 mv : 154m V : 154m V - 10m V =144m V, m V. ( ph.) 3. ph (1).. (2). S en sor. 53

60 (7 ) (1). (Cat. N o ). (2). ph Buffer 7 200m l + KCl 1g. (7 ) - (1). F illin g hole. (2). (P/ N910001) Cap ( ). (3). Cap S ealing 4. Cle aning s olution : 0.1M H Cl HN O3 30 storage 1. M em bran e/ Junction : 0.1M H Cl 1% pepsin % sodium hypochloride 5. : 0.1M t etrasodium EDT A 15. :. 5. Org anic S olv ent ph 1) : Org anic S olv ent 80% ph Ross Glass Body 8172BN 2) : M ethan ol Ros s Int ernal filling solution (Orion cat n o ) 8:2. 54

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