IS 1632: Optical instruments - Bubbles

14 Pages·1993·1.6 MB·English

by  Bureau of Indian Standards

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.
;‘.
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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