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IS 1632: Optical instruments - Bubbles PDF

14 Pages·1993·1.6 MB·English
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इंटरनेट मानक Disclosure to Promote the Right To Information Whereas the Parliament of India has set out to provide a practical regime of right to information for citizens to secure access to information under the control of public authorities, in order to promote transparency and accountability in the working of every public authority, and whereas the attached publication of the Bureau of Indian Standards is of particular interest to the public, particularly disadvantaged communities and those engaged in the pursuit of education and knowledge, the attached public safety standard is made available to promote the timely dissemination of this information in an accurate manner to the public. “जान1 का अ+धकार, जी1 का अ+धकार” “प0रा1 को छोड न’ 5 तरफ” Mazdoor Kisan Shakti Sangathan Jawaharlal Nehru “The Right to Information, The Right to Live” “Step Out From the Old to the New” IS 1632 (1993): Optical instruments - Bubbles [PGD 22: Educational Instruments and Equipment] “!ान $ एक न’ भारत का +नम-ण” Satyanarayan Gangaram Pitroda ““IInnvveenntt aa NNeeww IInnddiiaa UUssiinngg KKnnoowwlleeddggee”” “!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता हहहहै””ै” Bhartṛhari—Nītiśatakam “Knowledge is such a treasure which cannot be stolen” IS 1632 : 1993 Indian Standard OPTICAL INSTRUMENTS - BUBBLES - SPECIFICATION ( First Revision ) UDC 532’291 : 681’2 :_ . @ BIS 1993 :, ; BUREAU OF INDIAN STANDARDS ‘. MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG NEW DELH I 110002 March 1993 Price Gr~up.'~~ lacitpO and lacitamehtaM stnemurtsnI lanoitceS ,eettimmoC ML 20 FOREWORD sihT naidnI dradnatS ( tsriF noisiveR ) was detpoda yb eht uaeruB fo naidnI Standards, retfa eht tfard dezilanif yb eht lacitpO and lacitamehtaM stnemurtsnI lanoitceS eettimmoC had neeb devorppa yb eht thgiL lacinahceM gnireenignE noisiviD .licnuoC sihT standard was tsrif dehsilbup ni 1960. nI this noisiver sesualc 3.2 and 5.2.3 evah neeb deifidom and xennA A gnidnemmocer dohtem fo gnitset has neeb .detaroprocni selbbuB era yllacificeps dengised rof tnereffid sepyt fo stnemurtsni ni hcihw yeht era ot eb dettif and .desu riehT ytivitisnes sdneped no eht ycarucca fo eht tnemurtsni and its ,noitcnuf and eht ezis fo hcus a elbbub is denrevog yb eht snoitcirtser fo ecaps elbaliava rof its gnittif ni hcae tnereffid epyt fo .tnemurtsni erehT is a ycnednet ot redro selbbub hcihw yam eb ylirassecennu evitisnes rof eht esoprup ni .weiv tI dluohs eb dezilaer that a dnoces-OI elbbub daer ot 0.1 noisivid is ylevitceffe a retteb snaem fo gniniatbo an ycarucca fo 1 dnoces than a dnoces-2 elbbub daer ot 0.5 .noisivid ehT dnoces-OI elbbub dluow evorp erom elbailer ni ,esu dluow niater its orez tnemtsujda and dluow .eb less detceffa yb draughts ro lacol erutarepmet .segnahc ehT resahcrup shall, ,erofereht etalupits eht ezis as llew as eht ytivitisnes deriuqer yb .mih sihT noitacificeps slaed ni liated htiw eht ,stnemeriuqer rof eht noisicerp epyt fo ,selbbub tub eht lareneg stnetnoc era elbacilppa ot eht resraoc selbbub as .llew nI eht esac fo eht ,rettal ,revewoh emos fo eht stnemeriuqer and stset yam eb dexaler ro .deviaw gnikaT otni noitaredisnoc eht sweiv fo ,srecudorp sremusnoc and gnitset ,seitirohtua eht lanoitceS eettimmoC elbisnopser rof eht noitaraperp fo this standard tlef that ti dluohs eb detaler ot eht -unam gnirutcaf and edart secitcarp dewollof ni eht yrtnuoc ni this .dleif ,eromrehtruF eud egathgiew had ot eb nevig ot eht deen rof lanoitanretni noitanidro-oc gnoma standards gniliaverp ni tnereffid seirtnuoc fo eht dlrow ni this .dleif esehT snoitaredisnoc del eht lanoitceS eettimmoC ot evired assistance morf eht gniwollof :snoitacilbup SB 958 : 1911 noisicerP‘ slevel rof gnireenigne ’spohskrow issued yb eht hsitirB Standards .noitutitsnI SB 2691-9053 tiripS level ’slaiv issued yb eht hsitirB Standards .noitutitsnI cirteM metsys has neeb detpoda ni aidnI and all snoisnemid ni this standard evah neeb nevig ni this .metsys roF eht esoprup fo gnidiced rehtehw a ralucitrap tnemeriuqer fo this standard is deilpmoc ,htiw eht lanif ,eulav devresbo ro ,detaluclac gnisserpxe eht tluser fo a tset ,ro ,sisylana shall eb dednuor ffo ni ecnadrocca htiw SI 2 : 1960 seluR‘ rof gnidnuor ffo laciremun seulav ( desiver .‘) ehT rebmun fo tnacifingis secalp deniater ni eht dednuor ffo eulav dluohs eb eht emas as that fo eht deificeps eulav ni this standard. sihT standard is dednetni ylfeihc ot revoc eht lacinhcet snoisivorp gnitaler ot ,selbbub and ti seod ton edulcni all eht yrassecen snoisivorp fo a .tcartnoc SI 1632 : 1993 Indian Standard OPTICAL INSTRUMENTS - BUBBLES - SPECIFICATION ( First Revision ) 2.7 evitceffE 1 SCOPE Range 1.1 sihT noitacificeps srevoc ,selbbub ,dnuorg ehT yllanretni dessecorp ecafrus fo eht elbbub dnuoranu and dedluom ro ,detacirbaf rehtie ni hcihw sdnopser yltcerroc ot eht suoirav lanoitcnuf lacirdnylyc ro ralucric mrof dednetni rof esu stnemeriuqer and is yllausu denifnoc ot eht stimil ni noisicerp ,gniyevrus ,noitcepsni and lareneg fo eht dehcte .senil gnillevel .sesoprup 2.8 ycnetsisnoC 1.2 ehT tnemeriuqer fo this noitacificeps shall osla ylppa ot detnuom .selbbub ehT citsiretcarahc fo eht ’lleb-ria‘ fo eht elbbub hcae emit ot tes flesti ot its lanigiro noitisop 1.2.3 As sgnitnuom era dengised ot suit laiceps tuohguorht its evitceffe egnar nehw hcus a gnittes sesoprup ni eht esrevid gnireenigne ,secitcarp this is debrutsid and .derotser noitacificeps seod ton revoc sliated fo esoht .stnemtif 2.9 Sluggishness 2 YGOLONIMRET ehT ytilibapacni fo eht ’lleb-ria‘ ot tibihxe 2.0 .roF eht esoprup fo this standard, eht gniwollof gnidnopserroc snoitaived ni its noitisop as snoitinifed shall .ylppa detnarraw yb small segnahc ni .tlit 2.1 elbbuB 2.10 stnuoM ehT elbbub is a ecived hcihw nehw dettif ot an ehT sesac ni hcihw eht selbbub era desuoh ro tnemurtsni nac eb desu ot enifed a ecnerefer detnuom rof ralucitrap uses. latnoziroh enalp as ni .gnillevel tI stsisnoc fo a glass ebut gniniatnoc a gnillif diuqil gnivah wol 2.11 lloR rorrE ytisocsiv and hcihw maintains its ytidiulf revo a ylriaf ediw egnar fo ,erutarepmet ybereht making ehT lanidutignol tnemevom fo eht elbbub ( eud its esu elbissop at wol serutarepmet as .llew ot snoitcefrepmi ni eht dnuorg ecafrus fo eht laiv > nehw dellor hguorht a deificeps elgna tuoba its 2.2 elbbuB Vial .sixa . A delaes glass ebut ylbatius ,dessecorp yllaitrap dellif htiw a diuqil fo wol gnizeerf tniop and wol 2.12 gniltteS Time ytisocsiv gnivael an ’lleb-ria‘ .edisni ehT emit nekat rof a elbbub ot nruter ot its 2.3 lleB-riA ydaets noitisop nehw eht laiv has neeb detlit ehT small ,ecaps detaerc edisni eht delaes ebut hguorht a deificeps .elgna eud ot its laitrap ,gnillif hcihw smrof a elbbub fo dexim ria and diuqil .ruopav 3 ,SEPYT SEZlS _4ND SEITIVITISNES 2.4 elbbuB Run 3.1 sepyT ehT levart fo eht ’lleb-ria‘ edisni eht ebut ehT selbbub shall eb fo eht gniwollof owt :sepyt gnidnopserroc ot yna angular tlit nevig ot eht .elbbub )a ,lacirdnilyC and 2.5 ytivitisneS )b .ralucriC ehT ytivitisnes fo a elbbub is eht elgna fo tlit 3.2 seziS hcihw dluow esuac its ’lleb-ria‘ ot evom hguorht eno elacs .noisivid ehT derreferp llarevo shtgnel and sretemaid rof lacirdnilyc ,selbbub and eht derreferp sretemaid 2.6 lloR and llarevo sthgieh rof ralucric selbbub shall eb as ehT noitator fo eht elbbub dnuor an sixa hcihw is nevig ni elbaT 1 daer htiw .giF 1A and .BI ehT lellarap ot eht sixa fo eht .elbbub pip dluohs eb as small as .elbissop 1 IS 1632 : 1993 I- C i _ B A B !! 2 1 --------__________--_~~~_-~~~~,- :! t -$--l- -’ -I:; - --- @D i .-__ .------ 1 A F I FIG. IA DIMENSIONAL NOMENCLATUREF OR STRAIGHT VIAL FIG. 1B DIMENSIONAL NOMENCLATURE FORCIRCULARVIAL .. Table1 Dimensionsf or Bubbles ( Clause 3.2 1 All dimensions in millimctres. Dimensionsf or CylindricaBl ubbles . Dimension A(Mh) 200 180 130 100 90 80 70 60 50 40 35 25 . . . B(Ma) 15 12 11 10 9 9 9 8 7 7 6 5 C(MUX) 230 204 152 120 108 98 88 76 64 54 47 35 I D 17-20 16-18 15-17 13-15 13-15 12-14 12-14 11-13 10-12 10-12 8-10 5-8 E 1’5 1’5 15 1’25 1’25 1’25 1’00 0’75 0’75 0’75 0’75 0’75 F 50-75 40-65 35-60 33-50 33-50 30-45 30-45 20-30 15-22 15-22 10-15 7-10 2’5 2’5 2‘5 2.5 2’5 2’5 2’5 2 2 2 2 2 0-i H Dimensionfso r CircularB ubbles Dimension . d 24 18 15 12 . h 9 9 6 6 ; NOTE - The pip should be as small as possible. ;‘. -0 2 . IS 1632 : 1993 5.1.2 ehT noisnemid fo eht glass ebut shall eb os 3.3 Sensitivities denoitroporp and eht gnillif diuqil edisni eht ehT seitivitisnes rof lacirdnilyc and ralucric glass ebut shall eb os detsujda that htob sdne fo selbbub shall eb as nevig ni elbaT 2. eht elbbub yam syawla eb daer against eht elacs revo a erutarepmet egnar- fo 5 ot 45°C and eht 4 SLAIRETAM lleb-ria shall niater an evitceffe htgnel rof etarucca . 4.1 selbbuB stnemerusaem up ot 70°C NOTE - To eveihca ,siht ti si dednemmocer taht 4.1.1 Glass Tube noitaretla ni htgnel fo a elbbub rof a erutarepmet egnahc fo eno eerged edargitnec erehwyna neewteb 5 ot 45% ehT glass ebut desu shall eb llew ,delaenna dluohs ton deecxe eno .tnecrep ,tnerapsnart eerf morf ,eairts swalf and rehto 5.1.3 nI esac fo detnuom ,selbbub eht glass sebut tcefed and fo 1’25 ot 2’5 mm wall .ssenkciht ehT shall eb desuoh ni eht esac htiw eht pleh fo retsalp noitisopmoc fo eht glass shall eb hcus that ti is fo Paris, hcihw shall mrof a yltcefrep etihw ton detcaer nopu yb eht gnillif diuqil ro gniruoloc .dnuorgkcab ehT gnitnuom shall eb dedivorp lairetam .desu etacilisoroB ro tfos ados glass htiw an gninepo rof gnivresbo tnemevom fo -ria . . sebut era .elbatius lleb ni suoirav detaudarg .snoitisop detnuoM 4.1.2 selbbub yam osla eb dedivorp htiw a evitcetorp Filling Liquid gnirevoc fo tuots pirts fo tnerapsnart .citsalp lyhtE ,rehte lairtsudni detalyhtem tirips ( edarG ,)I lyhtem ,lohocla ,enoteca etulosba lohocla TO yna 5.1.4 ehT gnillif pip fo eht selbbub elihw desac rehto elbatius diuqil shall eb .desu ehT diuqil ni eht tnuom htiw eht retsalp fo Paris shall ton eb shall eb ,raelc shall ton eb deruolocsid and shall derevoc yb eht ,retsalp and yna retsalp gnirehda ton duolc ro ylbaeciton egnahc ni ytidiulf htiw ega ot eht pip shall eb .devomer ro at erutarepmet as wol as -40°C. ehT diuqil 5.2 shall eb yllacimehc treni ot eht glass ebut and eht Cylindrical Bubbles gniruoloc lairetam .desu ehT diuqil shall eb eerf ehT laiv fo lacirdnilyc selbbub shall eb 5.2.1 fo retaw and seitirupmi and shall ton esopmoced dessecorp yllanretni os that, ni a lanidutignol rednu thgil and .erutarepmet noitces demrof yb a lacitrev enalp hguorht eht sixa fo eht ,laiv eht ecafrus ni tcatnoc htiw eht 4.1.3 Colouring Material lleb-ria is a ralucric .cra ehT gnillif diuqil shall ton yllamron eb .deruoloc 5.2.2 ehT sdne fo eht glass seidob shall eb fI deificeps yb eht ,resahcrup tnecseroulf gniruoloc yletamixorppa lacirehpsimeh and shall eb drawn ,slairetam hcus as enisoe rof egnaro ruoloc ro ot renniht snoitces ot etatilicaf kciuq gnilaes niecseroulf rof esnetni ,ruoloc yam yb .desu retfa .gnillif ehT tips shall eb dednuor ffo 4.2 stnuoM ylhtooms gnivael on sharp .snoitcejorp 4.2.1 Metals 5.2.3 Graduation lateM sdor and setalp desu ni eht erutcafunam ehT pot fo eht elbbub shall eb detaudarg fo stnuom rof selbbub shall eb fo eht tseb ytilauq ylbareferp yb gnihcte ot assist ni gnignirb eht and eerf morf .stcefed citengam-noN slairetam lleb-ria ni eht ertnec fo its ,nur and ot etacidni shall eb ,desu fi yllacificeps derised yb eht eht tnemevom fo eht lleb-ria rof a deificeps tlit .resahcrup detacidni yb hcus spacings erehw dedivorp ( ees .giF 2 and .giF 3 .) 4.2.2 Plaster of Paris 5.2.3.1 On lacirdnilyc selbbub owt gnol senil yltcefreP etihw lacigrus retsalp fo Paris shall eb shall eb dekram hcus that eht gnicaps neewteb desu rof gnitnuom eht .selbbub meht dluow etacidni eht htgnel fo eht selbbub at . * a erutarepmet fo 27°C. esehT senil shall osla 4.2.3 Plastic Guard etacidni eht noitisop rof eht lleb-ria at eht ertnec **. fo its ,nur gniwohs that eht elbbub is ni a PVC ro cilyrca citsalp teehs ro ralimis elbatius latnoziroh .enalp elacS gnikram ees( .giF 2C and # lairetam yllacitpo dekrow shall eb desu ni eht .giF 2D ) shall eb edam no all lacirdnilyc selbbub erutcafunam fo eht citsalp .draug tI shall eb at 5’2 mm ,ecaps gnicnemmoc morf gnol gnirtnec ,sselruoloc tnerapsnart and yllanoisnemid elbats senil and no rehtie edis fo ,meht eht retuo senil 0-S rednu laciport .snoitidnoc gnieb dellif ni kcalb and eht renni senil ni .der 5. NOITCURTSNOC AND PIHSNAMKROW ehT ssenkciht fo eht senil shall eb 52’0 +_ 50’0 .mm ehT blank ecaps at eht ertnec shall eb driht-eno . 1.5 General fo eht lleb-ria htgnel at a erutarepmet fo 27°C. . 51.1 ehT gnillif diuqil edisni eht elbbub shall eb 5.2.3.2 ehT owt rojam noitaudarg marks fo yna os detsujda erofeb gnilaes that, eud ot laitrap elacs shall eb ylraelc detangised yb rieht desaercni ; ,gnillif a elbbub fo dexim ria and diuqil ruopav htgnel ro/dna rieht gnieb detanimret yb .stod yehT is demrof .edisni shall eb fo eht emas htgnel and shall etacidni eht :‘. 3 IS 1632 : 1993 0 6 2A : (m) I I I I I I f 2c 2D .GIF 2 FORMS OF VIAL NOITAUDARG SKRAM : .vi Y snoitaudarg ( ees .giF ,)B2 an lacitpo -egnarra . . tnem shall eb dedivorp ot elbane eht lleb-ria ot eb deweiv os that its owt sdne raeppa tnecajda ot hcae .rehto nehW eht elbbub is ,lartnec eht owt sdne shall raeppa ot tser edis yb edis ni eht emas .enil 5.2.4.1 selbbuB yam eb deilppus tuohtiw markings ni hcihw esac eht ertnec fo eht evitceffe egnar and llor l!ahs eb ,dekram ylbareferp yb ,gnihcte htiw a plus sign ( + > ot etatilicaf sgnitnuom ( ees .giF 2A .) 5.3 Circular Bubbles 5.3.1 nI eht esac fo ralucric ,selbbub eht glass tnenopmoc yam eb edam fo eno ro owt parts. noisicerp ralucric selbbub era yllamron edam fo owt parts detnemec ro desuf .rehtegot ehT pot trap 3A 38 is ylbairavni dekrow ot a deificeps radius, eht . . RALUCRIC FIG.~ BLTBBLE WITHGRADUATION mottob trap fo eht elbbub is drawn ot a renniht noitces ot etatilicaf kciuq gnilaes retfa .gnillif . noitisop fo eht elbbub at eht ertnec fo its .nur 5.3.2 ehT edisni fo eht ralucric selbbub shall eb esehT rojam noitaudarg marks shall eb detarapes dnuorg ot a raluger lacirehps .erutavruc yb a ecnatsid lauqe ot eht htgnel fo eht elbbub 5.3.3 plus 5’0 mm ot 3 mm at 27°C. Graduation On ralucric ,selbbub ereht shall eb eno small 5.2.3.3 llA noitaudarg marks shall eb straight htiw elcric gnitneserper eht retemaid fo eht lleb-ria at sharp ,segde at thgir selgna ot eht lanidutignol 27°C dessorc yb owt senil yllautum ralucidneprep sixa fo eht laiv and fo a mrofinu ssenkciht lauqe ot hcae rehto ( ees .giF 3A ,) ro an lanoitidda ot 52’0 mm & 20 .tnecrep An yranigami ertnec retuo cirtnecnoc elcric ( ees .giF B2 .) ehT ralucric enil drawn hguorht meht shall eb lellarap ot eht noitaudarg kram yam eb ,dehcte detnirp ro demrof emas lanidutignol .sixa no rehtie eht retuo ro renni edis fo eht .laiv ehT 5.2.3.4 nehW eht elacs is fo eht suounitnoc ,epyt noitaudarg kram nehw edisni must ton erefretni yreve htfif enil shall eb dednetxe rof esae fo eht tnemevom fo eht .lleb-ria ehT lavretni neewteb gnidaer ( ees .giF 2D .) llA etaidemretni senil eht owt selcric ni eht retal epyt ( ees .giF B2 ) shall eb fo eht emas .htgnel shall eb 4 .mm ehT ssenkciht fo eht senil shall eb 52’0 mm 2 50’0 .mm 5.2.3.5 As deweiv ni plan, eht htgnel fo eht retrohs senil shall etamixorppa ot eno driht eht 6 STSET AND STNEMERIUQER retemaid fo eht laiv and eht regnol noitaudarg marks ot eno flah eht laiv .retemaid llA 6.1 Sensitivity noitaudarg marks shall eb tnenamrep and dluohs ehT ytivitisnes fo a elbbub yam eb detset yb eht . . yllamron eb .kcalb dohtem debircsed ni xennA A no a elbatius ‘i gnitset tnemurtsni ( ees .giF 4 .) ehT ytivitisnes ? rehtO sruoloc fo noitaudarg kram shall eb tcejbus ot 1 fo a elbbub shall ton reffid morf eht ytivitisnes tnemeerga neewteb eht resu and eht .rerutcafunam .’ eulav dekram no eht elbbub yb erom than eht b 5.2.4 nI niatrec selbbub hcihw evah on tnuoma deificeps ni elbaT 2. .:. 4 IS 1632 : 1993 BARREL AXIS OF VIAL r’ :. GNlGNlRB I; ADJUSTMENT FOR BARREL AXIS OF VM PARALLEL TO ROLL AXIS ROLL AXIS ROLL TESTING -- ATTACHMENT TILTABLE ARM : FIG. 4 DIAGRAM ILLUSTRATING BASIC PRINCIPLESO F VIAL TESTING EQUIPMENT Table 2 Sensitivity Range and Permissible Errors for Sensitivity, Consistency and lloR ( Clauses 3.3, 6.1 and 6.3 ) Tvoe SensitivitvR aneef or Tolerance on 25 mm l&n 07 the r------------ h__.___--_-__7 Air-Bell ytivitisneS ycnetsisnoC lloR (1) (2) (3) (4) (5) 10 tes f 2 tes 1 tes 2 tes 15 set f 2 tes 1 tes 2 tes 20 set f 3 tes 2 tes 2 tes 30 set f ces5 3 tes 3 tes 45 set f 10 tes 5 tes 5 ees lacirdnilyC 1 nim f- 10 tes 5 tes 5 tes I nim 30 tes f 20 tes 10 tes 10 tes 2 nim 30 tes i 30 tes 15 tes 15 tes 5 nim h 1 nim 30 tes 30 tes 10 nim i 2 nim 30 tes 30 tes 20 nim f 4 nim 1 nim 1 nim 40 nim -& 6 nim 2 nim 2 nim f 3 nim 30 tes - ralucriC 10 nim 25 min f 5 nim 1 min - shall niamer ni eht ertnec fo its nur nihtiw eht 6.2 Consistency stimil deificeps ni elbaT 2. The consistency of a bubble may be tested by the method described ni xennA A. erehT shall eb 6.4 Sluggishness on erutraped morf eht naem fo xis lacitnedi retfA gnieb detlit hguorht an elgna fo eerht sgnittes fo elbbub tlit retaerg than that nevig ni setunim morf its noitisop fo ,tser eht lleb-ria shall elbaT 2. sihT tset shall eb deirrac tuo tuohguorht emoc ot tser ni eerht sdnoces retfa eht gnitlit is eht evitceffe .egnar .deppots 6.3 Roll Error 6.5 Total Error nehW a if 10” elgna fo llor is ,decudortni eht ehT latot rorre ni eht elbbub gnitluser morf kcal muminim tnuoma fo lanidutignol tnemevom is fo ,ycnetsisnoc and llor and srorre fo noitaudarg eht llor .rorre ehT llor rorre yam eb detset yb shall ton deecxe 10 tnecrep fo eht dekram eht dohtem debircsed ni xennA A. ehT lleb-ria ytivitisnes .eulav 5

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