IS 13436: Sensitive anemometer

9 Pages·1992·1.1 MB·English

by  Bureau of Indian Standards

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timely dissemination of this information in an accurate manner to the public.
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IS 13436 (1992): Sensitive anemometer [PGD 21:
Meteorological Instruments]
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SI 13436 : 1992
%T7& wF5

SENSITIVE ANEMOMETER - SPECIFICATION
UDC 551’508’5

0 BIS 1992
BUREAU OF INDIAN STANDARDS
MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARO
NEW DELHI 110002
eciR paorG 1
August 1992
lacigoloroeteM stnemurtsnI lanoitceS ,eettimmoC ML 21
FOREWORD
sihT naidnI dradnatS was detpoda yb eht uaeruB fo naidnI Standards, retfa eht tfard dczilanit yb
eht lacigoloroeteM stnemurtsnI lanoitceS eettimmoC had neeb dtvorppa yb eht thgiL lacinahceM
gnireenignE noisiviD .licnuoC
ehT etarucca tnemerusaem‘ fo wind deeps has assumed ecnacifingis ton ylno ni eht dleif fo
lacigolorcctem snoitavresbo dne secitcarp teb osla ni eht dleif fo ,yrtsudni noitullop ,lortnoc -non
lanoitnevnoc ygrene ,seiduts .cte ehT elpmis and nommoc dohtem fo gnirusaem eht wind deeps
raen eht dnucrg is yb gnirusaem eht nur fo wind rof a dexif lavretni fo emit using a puc retnuoc
retemcmena ( SI 5912 : 1970 .) ,sediseB ereht era osla etomer sensing lacirtcele sretemomena
ylevisnetxe desu at lacituanorea lacigoloroetem snoitats ot erusaem eht wind deeps raen yawnur
snoitacol ( 1s 6871 : 1971 .) ehT wind deeps nac osla eb def ot a sredrocer rof gniniatbo a -itnoc
suoun drocer rof hcraeser sesoprup ( SI 8754 : 1978 1.
sihT standard has neeb deraperp ot etalumrof senilediug rof eht erutcafunam fo a elpmis and
elbatrop retemomena rof etarucca tnemerusaem fo wind .deeps ehT deen rof hcus elbatrop dna
ydnah epyt fo retemomena has neeb tlef rof a elbaredisnoc doirep fo .emit ehT noitalumrof
fo an naidnI dradnatS noitacificepS rof eht tnemurtsni has emoceb yrassecen ni eht stseretni fo
noitazidradnats and ytilauq fo eht noitcudorp fo hcus .stnemurtsni
sihT standard has neeb deraperp ot ediug eht erutcafunam fo evitisnes sretemomena hcihw nac
erusaem eht wind deeps erom yletarucca and yalpsid eht emas yllatigid no a small wodniw yb
gnitarepo a sserp .nottub ehT tset fo all hcus stnempiuqe edam ni eht yrtnuoc and rieht laitini
noitacifitrec retfa erutcafunam lliw ni erutuf eb eht ytilibisnopser fo aidnI lacigoloroeteM
.tnemtrapeD
Jn eht noitalumrof fo this standard eud noitaredisnoc has neeb nevig ot eht stnemeriuqer laid
nwod yb eht dlroW lacigoloroeteM ,noitazinagrO aveneG nI noitidda ot eht laiceps snoitidnoc
elbaliava ni this .yrtnuoc

roF the esoprup of gnidiced whether a ralucitrap tnemeriuqer of siht dradnats si deilpmoc htiw the

lanif ,eulav devresbo or detaluclac gnisserpxe the tluser of a test 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.
SI 13436 : 1992
Indian Standard
SENSITIVE ANEMOMETER - SPECIFICATION
1 EPOCS nI dleif epyt ,retemomena the RI ,rosnes/rettime
reifilpma dna rotcennoc are desuoh edisni the
1.1 sihT dradnats seificeps the stnemeriuqer for niam .ydob ehT gnitcennoc selbac gnitanimret
the evitisnes retemomenA desab no the elpicnirp no a rotcennoc pass hguorht the ralubut .redloh
of gnitpurretni thgil path neewteb na JR ecruos
dna a rosnes ot etareneg seslup lanoitroporp ni 3 LAIRETAM
rebmun ot dniw speed.
3.1 ehT lairetam desu for the noitacirbaf of the
tnempiuqe llahs eb hcus that ti yam dnatshtiw
2 NOITPIRCSED
suounitnoc erusopxe ni the nepo dna evah a
2.1 Based no the cirtceleotohp ,gnisnes two gnol efil gnidnetxe revo a rebmun of .sraey
snoisrev of sretemomena are :debircsed elbatiuS slairetam are detseggus ni 3.2 tub the
esu of hcus lairetam si ton ,yrotagilbo dedivorp
a) elbatroP dnah dleh htiw latigid yalpsid of the evitanretla lairetam seifsitas the ecnarelot
dniw speed. stimil deificeps rednu 7.3.
)b Mast gnitnuom epyt elbatius for -amrep
tnen noitallatsni ni the .dleif sihT epyt 3.2 Component
stsisnoc of a dniw rosnes detnuom on a a) niaM ,ydob gniraeb ,kcolb Brass
gnitroppus tsam ylbmessa dna yllacirtcele ,redloh spacers, chopper
detcennoc yb selbac ot dniw speed -idni leehw
cator ( latigid or )eugolana htiw a
)b eldnipS sselniatS leets
recorder as na .noitpo
c) puC ,ylbmessa yrettaB elbatiuS citsalp
2.2 ehT retemomena si puc epyt dna stsisnoc of ,tnemtrapmoc wodniw
a PUC-~ rotor .ylbmessa ehT spuc are yllargetni revoc
dedluom otni a single assembly ni elbarud
weather tnatsiser .citsalp ehT puc ylbmessa si
4 SNOISNEMID
attached ot a gniraeb detnuom eldnips at the
top of the tnemurtsni htiw the pleh of a threaded 4.1 ehT snoisnemid of the spuc dna the ydob
cap. ehT other dne of the eldnips seirrac a nac eb devirra at gnipeek ni dnim the tnatropmi
chopper leehw htiw stols hcihw rotates yleerf ni lanoitcnuf :scitsiretcarahc
a dettols derarfni .rotceted/rettime nehW the
spuc rotate the RI rosnes setareneg seslup 1) Low gnitrats speed,
lanoitroporp VT the dniw speed,
2) muminiM ecnerefretni of the dniw dleif
nI elbatrop dnah dleh ,retemomena these seslup morf the retemomena ,gn’suoh
are shaped, detnuoc ni a latigid retnuoc dna
deyalpsid no a elbatius .yalpsid A presss nottub 3) ,scitehtseA dna

ffo/no hctiws si dedivorp no the niam ydob of
4) rehtaeW .ecnatsiser
the retemomena ot ezigrene or ezigrene-ed the
rosnes dna detaicossa .scinortcele
5 LARENEG STNEMERIUQER
nI tsam gnitnuom epyt ,retemomena these seslup
detareneg yb the RI rosnes are processed hguorht 5.1 Each of three rotor spuc 11~~1~ cb lacinocimcs
elbatius cinortcele yrtiucric ot evig elbatius ni shape htiw dedaeb decrofnier cdgcs.
latigid yalpsid at a etomer ecalp dna osla na
eugolana tuptuo elbatius for noitacidni as llew 5.2 ehT rosnes gnisuoh llahs eb weather proof.
as gnidrocer nI dradnats gnidrocer .secived ilA the sBK dluohs eb no ssalg cpc yx cc -imnI
setan dna ylbatius .dezilaciport
nI htob epyt of ,sretemomena na clarucca latsyrc
rotallicso sedivorp the yrassecen emit esab ( two
5.3 ehT niam eldnips tlahs rotate ni two l’i,h
sdnoces ) ot gate the .sretnuoc
sgniraeb eno at the top dna other at ,cllt
bcitcom.
ehT sgniraeb llahs eb ,!lctauqeda f~esoienc lar:!;
2.3 nI elbatrop epyt ,retemomena the RI
protected if ?no t;lud dna hrhT tnL:cirbtri
,rosnes/rettime eslup gnipahs dna gnitnuoc moisture.
desu 11~1~ ho kcolc lio or ralimis I .tnacirhlt
,yrtiucric emit ,esab yalpsid eludom are desuoh
ni a ydrah .ydob A elbatius wodniw htiw
5.4 ehT egnar ‘lo rctcmomcn;:
cvitcctorp tnerapsnart revoc si dedivorp for d1::Jl ho
9.99-O h/mk htiw a noltuloscr of 0 I h/mk ni
gniweiv the .yalpsid nO top of the ydob the
the dnah dleh .retemomena
gniraeb kcolb gniyrrac the eldnips si .dexif tA
the mottob a yrettab tnemtrapmoc ci dettil ot 5.5 ehT dleif retemomena dluohs eb c!bn LO
etadommocca licnep slIcc or elbaegrahcer .sllec dnatshtiw stsug pu ot 200 .h/mk

1
SI 13436 : 1992
6 PIHSNAMKROW AND HSINIF jl rue Speed Tolerance
6.1 ehT pihsnamkrow fo eht retemomena shall Up ot 20 h/mk f 2/l mk
eb hcus that eht spuc start gnitator at wind
revO 20 up ot 100 h/mk & %2 fo gnidaer
deeps ton gnideecxe 1 .h/mk ehT noitator fo
puc ylbmessa shall eb htooms and eerf morf
.noitcirf ehT tfahs shall eb straight. ehT 7.4 ehT puc rotor shall nigeb ot evloser morf
sgniraeb shall eb yletauqeda detacirbul htiw enif tser ni a wind deeps ton gnideecxe 1 .h/mk
thgil stnacirbul ekil kcolc lio and detcetorp morf
.rehtaew llA eht lacirtcele snoitcennoc and 8 GNIKRAM AND GNIKCAP
sBCP shall eb yletauqeda .dezilaciport Main
,ydob gniraeb kcolc and eht redloh shall eb 8.1 hcaE retemomena shall raeb eht gniwollof
detniap morf edistuo htiw rehtaew tnatsiser noitpircsni devargne ro dellebal ( latem slebal )
elbarud paint htiw etairporppa .staocrednu llA yltaen and ylbigel at a tnenimorp and -inevnoc
rehto brass parts shall eb llew .detalp tne .ecalp
7 TSET AND SECNARELOT a > emaN fo eht ;tnemurtsni
b) laireS rebmun and raey fo ;ekam
7.1 ehT puc rotor ylbmessa shall eb yletarucca
decnalab htiw eht eldnips dleh ni latnoziroh c) s’rekaM ,eman initials ro dezingocer
noitisop ni a thguard terf ,moor eht spuc shall ;kram-edart and
ton wohs yna bias ot yna ralucitrap .noitisop
egnaR htiw units.
7.2 oT erusne tneiciffus modeerf fo all eht ball
8.2 ehT retemomena shall eb dekcap ni a
,sgniraeb eht spuc nehw tes gnivlover at el,o
ylbl:tius dengised nedoow xob ni hcus a yaw
noitulover rep dnoces rof 30 sdnoces ni eht
that eht puc rotor ylbmessa is eerf morf yna
noitcerid yeht dluow yllamron etator ni wind,
gnikcap stress. yletanretlA ::ht retemomena
shall eunitnoc ot etator rof at tsael 10 sdnoces
yam osla eb dekcap as deerga ot neewteb eht
erofeb gnimoc ot .tser sihT tset shall eb -noc
resahcrup and eht .reilppus
detcud ni thguard eerf .moor
7.3 ehT retemomena shall eb hcus that nehw 9 GNITSET AND NOITCEPSNI
detarbilac ni a wind lennut eht sdeeps detacidni
yb ti lliw eerga htiw eht eurt deeps ni eht wind 9.1 hcaE retemomena shall eb detset yllaudividni
lennut nihtiw eht gniwollof .stimil rof ytimrofnoc ot all eht stnemeriuqer fo this
.noitacificeps
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Standard Mark
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