2012MY SO MU QUANG PH

Nguyn Phan Giang Cng ty C phn Ho cht Phc Lm 5/11/2012

MC LC

MC LC ................................................................................................................................... 1 CHNG 1: S LC............................................................................................................. 2 CHNG 2: CH TIU K THUT CH YU V QUY CCH .................................................. 4 CHNG 3: NGUYN L KT CU THIT B V H THNG QUANG HC ......................... 5 CHNG 4: GII THIU S LC THIT B ......................................................................... 7 CHNG 5: LP T THIT B ............................................................................................. 10 CHNG 6: S DNG THIT B ........................................................................................... 11 CHNG 7: BO DNG THIT B HNG NGY................................................................ 16 CHNG 8: PHN TCH S C THNG GP................................................................... 17 PH LC ................................................................................................................................. 21 PHIU NG GI SN PHM................................................................................................ 25

CHNG 1: S LCI. NGUYN L

Nguyn l phn tch bng phng php quang ph l li dng hin tng vt cht hp thu c tnh chn lc nh sng c bc sng khc nhau tin hnh phn tch nh tnh v nh lng vt cht. Thit b ny cn c vo nguyn l o lng tng i thit t sn t l truyn qua ca mu trng (nh dung mi, nc ct, khng kh) l 100%, li o lng t l truyn qua ca mu o, t t c mc ch phn tch. Quan h gia t l truyn qua o c v nng mu o, trong phm vi nht nh ph hp vi nh lut Lambert Beer: A = KCL = - logI/Io T = I/Io Trong : T: A: C: K: L: I: T l truyn qua hp th sng Nng ca dung dch H s hp thu ca dung dch B dy mu ( di ng truyn sng ca dung dch) Cng sng truyn qua (cng ca nh sng i qua mu o)

Io: Cng sng pht x (cng ca nh sng i qua mu trng)II. PHM VI S DNG

Dng tin hnh nghin cu khoa hc cho cc ngnh khoa hc nh: vt l, ho hc, y hc, sinh hc, dc hc, a cht, l mt trong nhng thit b khng ch cht lng quan trng nht ng dng rng ri trong cc ngnh nh: ho cht, dc phm, sinh ho, luyn kim, cng nghip nh, thc phm, vt liu, bo v mi trng, ho nghim y hc v cc ngnh phn tch, l mt thit b quy nh thng thng trong phng th nghim.III. C IM

My so mu quang ph dng 72-75 l dng my kt hp nhng k thut tin tin nh quang hc chnh xc hin i v k thut vi in t mi nht, nghin cu pht trin my so mu quang ph kiu mi. My c nhng c im sau:

S dng nh sng lc thp, kt cu ng sng chm sng n cch t c phn gii cao, thit b c tnh n nh tt, tnh ti hin, quang tuyn tnh v kt qu o th chnh xc. rng di quang ph nh c th tho mn yu cu cc th nghim phn tch thng thng. S dng thit k ti u ho v k thut vi x l mi nht, gip thit b c cc cng nng iu khin t ng iu chnh 0%T v 100%T cho n cc phng thc o th T, A, C, F (dng my 721 khng c phng thc o th C, F). Mn hnh hin th s c th hin th r rng cc tham s t l truyn qua, hp th sng v nng , nng cao tnh chun xc s liu ca thit b. Thit b c thit k cng kt ni hai chiu RS232 (dng my 721 khng c cng kt ni ny), khng ch kt ni my in cng ni tip, ng thi cn c th kt ni vi my tnh (c th chy phn mm ng dng SPD trn h iu hnh Windows), c cc cng nng ng dng nh o th quang (T, A), o th nh lng (C, F), v thi gian qut. C th tin hnh thu thp, lu tr v truy xut s liu.

CHNG 2: CH TIU K THUT CH YU V QUY CCH

721 H thng quang hc Hin th Di bc sng (nm) Ngun sng u d Bng thng ph (nm) nh sng lc (%) Sai s cho php ln nht bc sng (nm) Tnh lp li bc sng (nm) Sai s cho php ln nht t l truyn qua (%) Tnh lp li t l truyn qua (%) Tnh n nh (%) Ting n (%) Phm vi o t l truyn qua (%) Phm vi o hp th sng (A) c trc tip nng Cng kt ni vi tnh RS232 My in Khng Khng Khng h tr Khng h tr 1 0,5 340~1000

722

722S

723

7230G

752

754

755B

ng sng chm sng n, cch t nhiu x 1200 vch / mm LCD 330~1000 325~1000 320~1000 200~1000 n Volfram Halogen, n Deuteri

n Volfram Halogen T bo quang in silicon 4 0,8 0,5 (360nm) 2 1 0,5 0,2 2 0,4

4 0,8

2 0,4

0,5 (220nm, 360nm) 1 0,5

Dng in sng 0,5, dng in ti 0,2 100% ting n 0,5, 0% ting n 0,2 0,0~200,0 -0,301~3,000 0~1999C C Chn mua C Chn mua C

H tr phn mm Ngun in Kch thc ngoi ng cp thit b

H tr AC 220V 22V 50Hz 1Hz

475mm 342mm 150mm III IV III

CHNG 3: NGUYN L KT CU THIT B V H THNG QUANG HC

I.

NGUYN L KT CU TNG TH

B vi x l trung tm ca thit b l CPU, c b nh chng trnh (ROM) v b nh s liu (RAM) thng qua cng vo ra khc nhau tin hnh iu khin mn hnh hin th, ng in n p n deuteri. S nguyn l kt cu xem hnh 1. Sau khi nhp phng thc o th (T, A, C, F) v tham s o th t nt bm, CPU cn c vo chng trnh ci t sn trong ROM v s liu lu tr trong RAM iu khin phng thc o th, ng thi tin hnh x l v iu khin tn hiu o th do thit b cung cp, thc hin o th v tnh ton tng ng. Nguyn l vn hnh: Sau khi bt in m my bt sng n ngun sng, lc ny n ngun sng chiu lung nh sng phc hp vo thit b n sc, qua cch t tn sc chiu ra mt chm sng n sc t khe ng ra, qua ngn mu b t bo quang in hp thu v chuyn thnh tn hiu in. Sau khi qua thit b khuch i phng to v chuyn i A / D n CPU, CPU cn c vo tn hiu thu c v ch lnh chnh 0%T, chnh 100%T, do phn mm t ng iu khin, lm cho tn hiu xut ra bo m tnh n nh, hin th trn mn hnh k thut s 100%T (hoc 0,000A), thc hin xong mc ch t ng chnh 0%T, chnh 100%T. Khi o th thit t bc sng o, t mu trng vo khe mu, nhn nt 100%T, CPU cn c vo ch lnh nhn c, t ng iu chnh 100%T / 0A. Khi mu th trong khe mu vo ng sng, nh sng n sc sau khi b mu th hp th cn li c t bo quang in thu nhn, chuyn i thnh tn hiu in c t l nht nh vi cng nh sng truyn qua mu th, trong trng thi mc ging nhau vi mu trng, sau khi qua thit b khuch i phng to v chuyn i A / D, do CPU iu khin hin th ra t l truyn qua hoc hp th sng ca mu th.

Hnh 1: S nguyn l kt cu tng th

II.

NGUYN L H THNG QUANG HC

Thit b s dng ng sng kt cu chm sng n kiu cch t, nguyn l h thng quang hc nh hnh 2, t n volfram halogen hoc n deuteri pht ra bc x lin tc sau khi hi t gng t quang chiu qua khe ng vo thit b n sc, v tr khe ny nm ng trn mt phng tiu ca gng t quang v gng chun trc trong thit b n sc, v th, chm sng phc hp vo thit b n sc qua gng phn x phng v gng chun trc bin thnh di sng chiu ti cch t tn sc, cch t mang nh sng phc hp nhn c thng qua tc dng nhiu x hnh thnh sp xp u n theo th t nht nh quang ph n sc lin tc, quang ph n sc ny li quay tr li gng chun trc. Do khe ng ra ca thit b nm trn mt phng tiu ca gng chun trc, quang ph n sc i ra t cch t tn sc sau khi qua gng chun trc t quang thnh hnh trn khe ng ra, nh sng n sc t khe ng ra qua thu knh hi t chiu vo trung tm mu o trong ngn mu, nh sng truyn qua sau khi b mu hp th chiu ti mt tip nhn ca t bo quang in.

Hnh 2: S nguyn l h thng quang hc 1: n Deuteri (Deuterium); 2: u d (detector); 3: Mu th; 4: Thu knh hi t; 5: Khe; 6: Gng t sng; 7: Tm lc sng; 8: n volfram; 9: Gng phn x phng; 10: Cch t; 11: Gng chun trc

CHNG 4: GII THIU S LC THIT BI. MT TRC MY

Hnh 3: Hnh nh mt trc thit b 1. Ngn mu Dng t mu th v mu trng. 2. Nt vn iu chnh bc sng, ca hin th bc sng Xoay nt vn iu chnh bc sng, quan st qua ca hin th bc sng, iu chnh n bc sng th yu cu. 3. Bng iu khin Dng thao tc v iu khin thit b. 4. Cn ko gi mu Cn ko y gi mu c th thay i v tr gi mu.II. MT SAU MY

Hnh 4: Hnh nh mt sau thit b

1. Chn cm in ngun Chn cm dy in ngun. 2. Cm cu ch Cu ch lp trong. 3. Cng tc ngun Bt tt in ngun thit b. 4. Cn thay i ngun sng Dng thay i v tr n Deuteri v n Volfram bng tay (dng vi cc dng my 752, 754, 755B). 5. Cng kt ni vi tnh RS232 Kt ni vi my in hoc my tnh (dng my 721 khng c cng nng ny).III. BNG IU KHIN

Hnh 5: Hnh nh bng iu khin thit b 1. Ch th in ngun Hin th in ngun cung cp cho thit b bt hoc tt. 2. Hin th s liu C th hin th t l truyn qua, hp th sng v nng . 3. Hin th mode Bn im trn phn bit ch th phng thc o th hin ti (dng my 721 ch c A, T).

4. Nt cng nng Bm nt ny c th thay i phng thc o th: A: hp th sng T: T l truyn qua C: Nng F: T l nghing 5. Nt iu chnh 100% () Khi phng thc A, nhn nt ny c th t ng iu chnh 0A; Khi phng thc T, nhn nt ny c th t ng iu chnh 100%T; Khi phng thc C hoc F, nhn nt ny c th thit t gi tr nng mu tiu chun hoc gi tr t l nghing mu tiu chun (tham s t ng tng). 6. Nt iu chnh 0% () Khi phng thc T, lp gi cuvette vo gi mu, iu chnh vo ng sng, nhn nt ny c th t ng iu chnh 0%T; Khi phng thc C hoc F, nhn nt ny c th thit t gi tr nng mu tiu chun hoc gi tr t l nghing mu tiu chun (tham s t ng gim). 7. Nt xc nhn / in (dng my 721 khng c cng nng ny) Nhn nt ny c th chuyn s liu o th n my in ngoi vi qua cng giao tip RS232, ng thi cng l nt xc nhn gi tr nng mu tiu chun hoc gi tr t l nghing mu tiu chun thit t.

CHNG 5: LP T THIT BI. MI TRNG VN HNH THIT B

1. in p ngch nh ca thit b l 220V 22V, 50Hz 1Hz. in p cung cp khng bnh thng s khin cho thit b khng th vn hnh bnh thng. 2. Thit b nn lp t trong phng kh ro, nhit mi trng l 5oC~35oC (Nhit tt nht l 15oC~28oC), m tng i khng qu 85% (thng khng ch trong khong 45%~65%). 3. Thit b nn lp t trn b cn bng vng chc, khng b rung lc mnh hoc rung lc thng xuyn. 4. Trong phng khng c cc cht kh c tnh n mn nh hydro sunfua, axit nit florua. 5. Thit b t cch xa t trng cng mnh, in trng v thit b pht sinh sng cao tn. 6. Thit b nn trnh gi mnh thi trc tip. 7. Thit b nn trnh nh sng chiu trc tip. 8. in ngun cp cho thit b phi c ni t tt (tt nht nn c dy ni t c lp).II. LP T THIT B

1. M hp my kim tra xem my c h hng g khng, cn c vo phiu ng gi i chiu xem linh ph kin c y khng. 2. Sau khi xc nhn linh ph kin km theo khng c g sai st, cm dy ngun v bt cng tc ngun. 3. Kim tra thit b c vn hnh bnh thng khng.

CHNG 6: S DNG THIT BI. SY NNG MY KHI M MY

Trc khi s dng my nn sy lm nng my 30 pht.II. IU CHNH BC SNG

Xoay nt chnh bc sng, quan st ca hin th bc sng, iu chnh n bc sng th yu cu. Ch : Sau khi xoay iu chnh bc sng th 100%T / 0A, n nh 5 pht sau mi tin hnh o th (ph hp vi yu cu ca tiu chun Cng ty v quy trnh kim nh ca Cc gim st cht lng).III. T PHNG THC TH (T MODE)

Nhn nt (cng nng), c th thay i phng thc o th. Phng thc o th tng ng tun hon nh sau:

* Phng thc o th mc nh khi m my l phng thc hp th sng.IV. IN KT QU (DNG MY 721 KHNG C CNG NNG NY)

Sau khi thu c kt qu o nhn nt in ra kt qu (cn phi kt ni vi my in tiu chun ngoi vi).V. I NGUN SNG (DNG VI DNG MY 752, 754, 755B)

Do my khu vc t ngoi v khu vc kh kin s dng ngun sng khc nhau, nn cn phi gt cn i ngun sng i ngun sng th cng. Bc sng thay i ngun sng xut l 340nm, tc 200nm ~ 339nm s dng n deuteri, 340nm ~ 1000nm s dng n volfram halogen.

Cn thay i ngun sng: T ngoi Kh kin Hnh 6: Hnh nh mt sau my Ch : Nu ngun sng la chn khng chnh xc, hoc cn gt i ngun sng khng ng v tr, s nh hng trc tip n tnh n nh ca thit b. Tr cc yu cu o th c bit.VI. TNH HIU CHUN CA CUVETTE

Cuvette km theo my c hiu chun t yu cu (sai s hiu chun khng ln hn 0,5%T), cuvette cha qua hiu chun s nh hng n chnh xc o th ca mu. B cuvette thch anh gm 2 ci, dng cho khu vc quang ph t ngoi v khu vc quang ph kh kin, b cuvette thu tinh gm 4 ci, dng cho khu vc quang ph kh kin. Cuvette c tnh phng hng, khi lp vo gi mu, phng hng ch Q hoc mi tn trn 2 cuvette thch anh, ch G trn 4 cuvette thu tinh phi thng nht. Cuvette thch anh v cuvette thu tinh khng c dng ln ln, cng khng c dng chung vi cuvette cha qua hiu chun. Khi cm cuvette bng tay nn cm vo mt mi m ca cuvette, khng s vo mt trong ca cuvette, mt trong ca cuvette khng c c du vn tay hoc vt dung dch, dung dch th khng c c bt, khng c vt ni, nu khng cng s nh hng n chnh xc o th ca mu. Cuvette sau khi dng xong phi lp tc c ra sch. Ghi ch: Phm vi bc sng s dng cuvette thu tinh l 320~1100nm, phm vi bc sng s dng cuvette thch anh l 200~1100nm.VII. CHNH T0

Khi phng thc T, lp gi cuvette vo gi mu (nh hnh 7), y kn np ngn mu, ko cn ko gi mu chnh vo ng sng. Sau nhn nt

0%T (chnh 0%T), mn hnh hin th hin 000,0 hoc - 000,0, hon thnh chnh T0, sau khi hon thnh chnh T0, ly gi cuvette ra. Ch : 1. Phng thc o th phi phng thc t l truyn qua (T); 2. Nu cha lp gi cuvette y kn np ngn mu v chnh vo ng sng th khng th chnh c T0; 3. Khi chnh T0 khng c m ngn mu, y ko gi mu; 4. Sau khi chnh T0 (cha ly gi cuvette ra), nu chuyn sang phng thc o hp th sng, mn hnh hin th hin l 3,000. 5. Nu trc tip chnh T0 phng thc hp th sng (A), th sau khi lp gi cuvette vo bt k mn hnh hin th c hin 3,000 hay khng, u phi nhn phm 0%T .

Hnh 7: Hnh nh khi gi cuvette lp vo gi muVIII. CHNH 100%T / 0A

t mu trng vo gi mu, ko y cn ko gi mu chnh vo ng sng. Sau nhn nt 100%T (chnh 100%T), lc ny mn hnh hin th BL trong my giy ri li hin 100,0 (khi phng thc T) hoc - 0,000, 0,000 (khi phng thc A), l t ng hon thnh chnh 100%T / 0A. Ch : Khi chnh 100%T / 0A khng c m np ngn mu, ko y gi mu.IX. O HP TH

1. Nhn nt cng nng, chuyn n phng thc o t l truyn qua. 2. iu chnh bc sng o.

3. Lp gi cuvette, y kn np ngn mu, iu chnh vo ng sng, nhn nt 0%T chnh T0, lc ny mn hnh hin th 000,0 hoc - 000,0 Chi tit xem Mc 7 Chng ny: chnh T0 (0%T). Sau khi hon thnh chnh T0, ly gi cuvette ra. 4. Nhn nt cng nng, chuyn n phng thc o hp th sng. 5. t mu trng vo, nhn nt 100%T, mn hnh hin th BL my giy sau li hin th - 0,000 hoc 0,000. 6. t mu th vo, c s liu o th.X. O T L TRUYN QUA

1. Nhn nt cng nng, chuyn n phng thc o t l truyn qua. 2. iu chnh bc sng o. 3. Lp gi cuvette, y kn np ngn mu, iu chnh vo ng sng, nhn nt 0%T chnh T0, lc ny mn hnh hin th 000,0 hoc - 000,0 Chi tit xem Mc 7 Chng ny: chnh T0 (0%T). Sau khi hon thnh chnh T0, ly gi cuvette ra. 4. t mu trng vo, nhn nt 100%T, mn hnh hin th BL my giy sau li hin th 100,0. 5. t mu th vo, c s liu o th.XI. O PHNG THC NNG

1. Nhn nt cng nng, chuyn n phng thc o t l truyn qua. 2. iu chnh bc sng o. 3. Lp gi cuvette, y kn np ngn mu, iu chnh vo ng sng, nhn nt 0%T chnh T0, lc ny mn hnh hin th 000,0 hoc - 000,0 Chi tit xem Mc 7 Chng ny: chnh T0 (0%T). Sau khi hon thnh chnh T0, ly gi cuvette ra. 4. t mu trng vo, nhn nt 100%T, mn hnh hin th BL my giy sau li hin th 100,0. 5. t mu nng tiu chun vo, iu chnh vo ng sng. 6. Nhn nt cng nng, chuyn n phng thc o nng . 7. Nhn nt thit t tham s ( hoc ), thit t nng mu tiu chun, sau nhn nt (xc nhn). 8. t mu th vo, c s liu o th.XII. O PHNG THC T L NGHING

1. Nhn nt cng nng, chuyn n phng thc o t l truyn qua. 2. iu chnh bc sng o. 3. Lp gi cuvette, y kn np ngn mu, iu chnh vo ng sng, nhn nt 0%T chnh T0, lc ny mn hnh hin th 000,0 hoc - 000,0

4. 5. 6. 7.

Chi tit xem Mc 7 Chng ny: chnh T0 (0%T). Sau khi hon thnh chnh T0, ly gi cuvette ra. t mu trng vo, nhn nt 100%T, mn hnh hin th BL my giy sau li hin th 100,0. Nhn nt cng nng, chuyn n phng thc o t l nghing. Nhn nt thit t tham s ( hoc ), thit t t l nghing mu. t mu th vo, sau nhn nt (lc ny phng thc o t ng chuyn n phng thc nng ), c s liu o th.

Ch : Phm vi nng hin th l 0~1999, tc gi tr K ca mu tiu chun nhp vo (gi tr nhp vo mu tiu chun C / mu tiu chun A) nn khng ch trong phm vi 0~1999.

CHNG 7: BO DNG THIT B HNG NGYMy so mu quang ph l thit b quang hc chnh xc, trc khi xut xng c iu chnh v hiu chun t m, nu c bo qun bo dng thch hp, khng ch c th m bo c tnh chnh xc v tnh ng tin cy ca thit b, m cn c th ko di tui th s dng ca thit b. 1. To cho my c mt mi trng lm vic tt theo Mc I Chng 5. 2. Mi khi s dng xong phi kim tra trong ngn mu c ng dung dch b trn ra khng, thng xuyn lau chi ngn mu, trnh dch thi n mn linh kin hoc b phn quang hc. Cuvette ng dung dch th khng nn lu trong ngn mu. 3. Phi ch bo v ca quang hc ca cuvette (mt trong). Ngoi khng c c st xy xc ra, ch yu phi trnh ca quang hc b nhim, sau khi dng xong phi kp thi ra sch, khng c tn d mu hoc dung dch ra hp th trn b mt ca quang hc, gi gn tt tnh hiu chun ca cuvette. 4. Khi s dng xong thit b phi y kn np che bi, b ti chng m vo trong ngn mu, nhng khi m my th phi b ra. 5. Mn hnh tinh th lng v nt bm khi s dng v lu hng ngy phi ch trch vch xc, phng nc, phng bi v phng trnh n mn. 6. nh k tin hnh kim tra o th ch tiu tnh nng, pht hin c vn lp tc lin h vi i l bn hng a phng hoc Phng kinh doanh Cng ty. Khng phi nhn vin sa cha chuyn nghip khng c t m v my tin hnh sa cha. 7. Nu khng s dng my trong thi gian di, phi c bit ch nhit v m mi trng, tt nht t ti chng m trong ngn mu v nh k thay th.

CHNG 8: PHN TCH S C THNG GPI. KIM TRA S C THNG GP

Khi thit b xut hin s c, trc ht nn tt in ngun ca my, sau tin hnh kim tra tng bc theo cc bc sau y: 1. Bc sng ch th c nm trong phm vi bc sng thit b cho php hay khng? 2. V tr gi mu c chnh xc khng? Trong ngn mu c vt l chn sng khng? 3. Np ngn mu c y kn khng? 4. Cc so mu la chn c chnh xc khng? 5. Bt in ngun, quan st n ngun sng c sng khng? 6. Nt cng nng c la chn ng trng thi tng ng khng? 7. Khi bc sng thit b ang t mc 580nm, m np ngn mu, dng giy trng chn ng v tr ng sng hi t, s thy mt vng sng hnh ch nht mu vng sng, r rng, hon chnh; khi vng sng hi hoc hi xanh, chng t bc sng b thay i. 8. Trong phm vi bc sng thit b cho php, c th iu chnh 100%T/0A khng?II. PHN TCH S C THNG GP V GII QUYTPHN TCH NGUYN NHN PHNG PHP GII QUYT HIN TNG

1Bt cng tc ngun my khng c phn ng g (n ch th khng sng, mn hnh khng hin th)

1-in ngun cha vo my; 2-Dy cu ch my t.

1-Kim tra in p cp c bnh thng khng, dy ngun v cp in ni vi my cha; 2-Thay dy cu ch mi ng chng loi quy cch (xem ph lc)

2Khng th chnh 0%T

1-Cha lp gi cuvette; 2-Phn trong ca my c s c.

1-Khi phng thc T, lp gi cuvette, y kn np ngn mu, chnh vo ng sng, iu chnh n 0%T (chi tit xem Mc VII Chng 6 chnh T0) 2-Mi th chuyn nghip sa,

HIN TNG

PHN TCH NGUYN NHN

PHNG PHP GII QUYT

1- hp th sng ca mu trng qu ln (nng qu cao); Khng th 2-V tr n ngun sng b lch; chnh 3-n ngun sng b lo ho 100%T/0A hoc hng; 4-V tr cn i ngun sng khng chnh xc (khng ng v tr) 5-Gi mu t khng ng v tr hoc trong c vt l chn sng; 6-Phn trong ca my c s c.

3

1-Thi gian sy nng thit b cha ; 2-V tr lp t thit b rung qu Hin th khng mnh, khng kh quanh ngun n nh sng lu tc ln hoc b nh sng mnh bn ngoi soi vo; 3-in p cung cp khng n nh; 4-Thit b ni t khng tt; 5-V tr n ngun sng khng chnh xc; 6-V tr cn i ngun sng khng chnh xc (khng ng v tr); 7-Mu o khng n nh hoc c tnh bc; 8-Phn trong ca my c s c.

4

1-n deuteri khng sng; 2-Cn i ngun sng khu vc kh kin; Khu vc kh 3-Khng s dng cuvette thch kin ca my anh; vn hnh bnh 4-Phn trong ca my c s c.

5

kin ngh gi v Cng ty sa cha. 1-Pha long mu trng; 2-iu chnh v tr n ngun sng (xem ph lc); 3-Thay n ngun sng mi cng chng loi quy cch (xem ph lc); 4-Gt cn i ngun sng n ng v tr; 5-Ko chnh gi mu vo ng v tr hoc b vt l; 6-Mi th chuyn nghip sa, kin ngh gi v Cng ty sa cha. 1-Ko di thi gian lm nng my; 2-Ci thin mi trng lm vic ca my; 3-Lp n p in xoay chiu, bo m in p vn hnh thit b l 220V, v khng c hin tng tng, tt p t ngt; 4-Ci thin trng thi tip t; 5-iu chnh v tr n ngun sng (xem ph lc); 6-Gt cn i ngun sng n ng v tr; 7-n nh mu o mi tin hnh th hoc dng cuvette kiu kn; 8-Mi th chuyn nghip sa, kin ngh gi v Cng ty sa cha. 1-Nu n deuteri hng, thay n mi (xem ph lc); nu in p thp, kin ngh s dng UPS hoc n p xoay chiu in t, nu n lu in ngun n deuteri c s c, mi th

HIN TNG

PHN TCH NGUYN NHN

PHNG PHP GII QUYT

thng, khu vc t ngoi khng th chnh 100%T/0A

6 chnh xc hoc tnh thng nht ca s liu o th chnh lch

1-Mu pha khng t (nh chn dung mi, chn h mu, khng ch nhit ); 2-Chn iu kin th khng tt (khng ch cc iu kin mi trng nh: chn bc sng th, nhit phng th nghim, m, chng rung, khng nhiu in t, ni t); 3-Nng mu o hoc dy cuvette cha khng ch tt, dn n hp th sng o c vt qu phm vi tuyn tnh; 4-Mu phn ng cha cn bng hoc c tnh bc; 5-Mu vn c, lm nhiu cnh nn; 6-Sai s hiu chun cuvette ng b ln hoc sau nhiu ln s dng do nhim dn n cuvette khng cn ph hp; 7-Nhp n hi trn 4 l gi mu b g, dn n cuvette nh v khng chnh xc; 8- chnh xc bc sng v tnh lp li ca thit b vt qu tiu chun; 9- chnh xc t l truyn qua v tnh lp li ca thit b vt qu tiu chun; 10-nh sng lc ca thit b

chuyn nghip sa, kin ngh gi v Cng ty sa cha; 2-Gt cn i ngun sng v khu vc t ngoi; 3-S dng cuvette thch anh qua hiu chun; 4-Mi th chuyn nghip sa, kin ngh gi v Cng ty sa cha. 1-Pha mu theo phng php chnh xc; 2-Cn c yu cu o th chn iu kin o th thch hp; 3-Khng ch gi tr hp th sng o c trong phm vi 0,2A~0,8A hoc 0,1A~1,0A l tt nht; 4-Mu o sau khi phn ng cn bng mi th hoc i dng cuvette kiu kn; 5-Chn dng bc sng i, bc sng ba hoc o th bng phng php quang ph o hm; 6-Dng cuvette sai s hiu chun nh hoc ra sch cuvette nhim, ri hiu chun li theo quy nh, bnh thng khi dng xong phi kp thi ra sch cuvette theo phng php chnh xc; 7-Thay gi mu mi cng quy cch; 8-Mi th chuyn nghip sa, kin ngh gi v Cng ty sa cha; 9-Mi th chuyn nghip sa, kin ngh gi v Cng ty sa cha; 10-Mi th chuyn nghip sa, kin ngh gi v Cng ty sa

HIN TNG

PHN TCH NGUYN NHN

PHNG PHP GII QUYT

vt tiu chun; 11-Tnh n nh ca thit b km (0%T tri ni ln, 100%T tri ni ln, in p ngoi thay i dn n tr s tiu chun tri ni ln).III. CC VN CN CH

cha; 11-Mi th chuyn nghip sa, kin ngh gi v Cng ty sa cha.

1. Thit b khi cn nguyn bao ca nh sn xut, nn bo qun trong mi trng nhit 5oC~35oC, m tng i trong phng khng qu 85%, trong khng kh khng c c vt cht c hi c tnh n mn. 2. Thit b phi c s dng trong mi trng vn hnh theo yu cu ca Mc I Chng 5. 3. Xt thy thit b trc khi xut xng c hiu chun trng thi tt nht, nn khch hng khng c t iu chnh, cng khng c t m hp my tho linh kin bn trong (tr thay bng n ngun sng), c bit l tho thit b n sc, khng c va chm try xc hoc lau chi mt knh quang hc. 4. K t ngy khch hng mua thit b, trong iu kin vn chuyn, bo qun v s dng bnh thng, trong vng 1 nm nu pht sinh li do nh sn xut dn n khng th vn hnh bnh thng, Cng ty chu trch nhim sa cha min ph (khng bao gm linh ph kin nhanh mn chng hng nh n volfram, n deuteri), t m v my tin hnh sa cha, tho d s khng c bo hnh. 5. Nu c s c cn t sa gp, phi c s ng hng dn ca nhn vin k thut Cng ty, mi chuyn gia c t cht tng ng tin hnh kim tra, iu chnh v sa cha, kin ngh gi v Cng ty sa cha.

PH LCI. IU CHNH V THAY N VOLFRAM HALOGEN

1. M v my Xoay ngc chiu kim ng h vn cn ko gi mu ra, m np p nt vn bc sng ca my, sau dng c l s 10 vn con c chnh xit nt vn bc sng, g nt vn bc sng ra (xem hnh 8). Dng tuc n vt ch thp m 4 c vt hai bn thn my ra, nhc v my ln trn, m v my ra. Ch : Trong qu trnh nhc v my ln ch dy in ni gia v my vi thn my.

Hnh 8: Hnh nh tho nt vn n volfram halogen l ngun sng khu vc kh kin ca my, l linh kin nhanh hng (my s dng bng n volfram halogen PHILIPS 6V 10WG4, dng 6605, nu s dng dng bng volfram halogen quy cch khc c th gy hng mch in t), khi b hng phi kp thi thay th, tip theo trong qu trnh vn chuyn c th b lch khi v tr bnh thng, thit b vn hnh bnh thng, phi nm vng phng php iu chnh v thay bng volfram halogen. Khi thay bng volfram halogen phi ngt in ngun, khi lp bng volfram halogen mi bt buc phi eo gng tay trnh lu du vn tay trn bng, c bit l v tr ca sng, lm gim t l truyn quang. 2. Trnh t thay bng 1) M v my. 2) Xoay nh l nhp c nh v tr n volfram halogen, rt bng c ra khi ui n (xem hnh 9). 3) Lp bng volfram halogen mi vo ui n, c nh bng bng l nhp nh c.

Hnh 9: Hnh nh lp t bng volfram halogen 3. Cc bc kim tra iu chnh 1) Tip in ngun. 2) T mt sau my quan st vng sng bng volfram halogen pht ra trn khe ng vo c chnh xc khng (xem hnh 10), s c trn mn hnh hin th (gi tr t l truyn qua khu vc kh kin) c n nh khng. Nu s c khng n nh, chnh nh li v tr bng volfram halogen cho n khi s c n nh th thi.

Hnh 10: Hnh nh v tr chnh xc ca vng sng n volfram halogen trn khe ng voII. THAY V IU CHNH BNG DEUTERI (DNG MY 75)

Bng deuteri l ngun sng khu vc t ngoi ca my, dng bng DD2.5, l linh kin nhanh hng, lp bng deuteri trn gi bng, kt cu lp t nh hnh 11. Khi thay bng deuteri phi ngt ngun in, khi lp bng bt buc phi eo gng tay, trnh du vn tay lu li trn bng, c bit l v tr ca sng, lm gim t l truyn quang.

Hnh 11: Hnh nh lp t bng deuteri 1. Trnh t thay bng 1) M v my. 2) Dng tuc n vt m ba si dy dn ca bng deuteri (ch mu ca 3 dy dn). 3) G bng (gm c gi bng) ra khi bng (vn 2 c vt trn gi bng ra l c), ng thi ni lng vt kp bng deuteri. 4) Ly bng c ra khi gi bng, thay bng mi vo, lp bng mi (gm c gi bng) c nh vo bng nh c, lp dy dn (lp dy theo cch lp c, ch : hai dy cng mu l dy dn ca n, 1 dy cn li l dy dn cc dng, khng c lp sai, nu khng s lm chy bng deuteri). 5) iu chnh c li l sng n deuteri cch tm y khong 55mm, v tr l sng hng ng gng cu trong bng. 2. Cc bc kim tra iu chnh 1) Cm dy ngun, gt cn i ngun sng sang khu vc t ngoi. 2) T mt sau my quan st vng sng t ngoi bng deuteri pht ra trn khe ng vo c chnh xc khng (xem hnh 12), s c trn mn hnh hin th (gi tr t l truyn qua khu vc t ngoi) c n nh khng. Nu s c khng n nh, chnh li v tr bng deuteri cho n khi s c n nh th thi, sau vn cht vt kp c nh bng.

Hnh 12: Hnh nh v tr chnh xc vng sng t ngoi trn khe ng voIII. THAY CU CH

1. G cm cu ch Ngt in ngun rt dy cm ngun ra, dng tuc n vt 2 cnh lch vo khe nh trn cm cu ch pha trn cm dy ngun (trn v tr cm cu ch c k hiu ), cy mnh ra pha ngoi l c th g c cm cu ch ra (xem hnh 13).

Hnh 13: Hnh nh tho g cm cu ch 2. Thay dy cu ch mi c cng m s quy cch My kh kin l 5 20mm 1,2A, my t ngoi l 5 20mm 2,5A. 3. Lp li cm cu ch vo my Lp chnh xc cm cu ch vo l cm cu ch trn v tr cm cm dy ngun. 4. Kim tra li Bt in ngun, nu n ch th in ngun sng, tc l thay cu ch thnh cng.

PHIU NG GI SN PHM721 722 722S 723 7230G 752 754 755B

My chnh (1 my) Sch hng dn s dng (1 quyn) Giy chng nhn cht lng sn phm (1 bn) Th bo hnh (1 bn) Np che bi (1 ci) Dy in ngun (1 dy) Si bo him (2 si) Cuvette so mu thu tinh 1cm (4 ci) Cuvette so mu thch anh 1cm (2 khng khng khng khng khng ci) Gi cuvette (1 ci) My in (1 b) Chn Chn Chn Khng mua mua mua Phn mm (gm Chn Chn Chn Chn Chn khng cp d liu) mua mua mua mua mua