IS 13383-3: Photometry of Luminaires - Methods of Measurement, Part 3: for Floodlighting

27 Pages·1992·2.6 MB·English

by  Bureau of Indian Standards

इंटरनेट मानक
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Whereas the Parliament of India has set out to provide a practical regime of right to
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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
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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 13383-3 (1992): Photometry of Luminaires - Methods of
Measurement, Part 3: for Floodlighting [ETD 24:
Illumination Engineering and Luminaries]
“!ा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”

JS13383(Part3):1992
( Superseding IS 7678)

mdian Standard
PHOTOMETRY OF LUMINAIRES -
METHODS OF MEASUREMEN-T
PART 3 LUMINAIRES FOR FLOODLIGHTING
UDC 628.9-064 : 5 : 535.24

@ BIS 1992
BUREAU OF INDIAN STANDARDS
MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG
NEW DELHI 110002 v
July 1992 Price Group 8
noitanimullI gnireenignE and serianimuL lanoitceS ,eettimmoC DTE 24
STNiTNOC
Page
.1 EPOCS . . . ,.. . . . . . . . . . . . . 1
.2 DEFINITIONS . . . . . . . . . . . . . . . . . . 1
3. 3
ACCEPTABLEO RDER OF ACCURACY OF FLOODLIGHTP HOTOMETRY . . . . . .
5
4. LABORATORYE QUIP~IENT . . . . . . . . . . . . . . .
5. CONDII’IONSF OR MEAWREMENT . . . . . . .*. . . . 7
8
6. PROCEDURE . . . .*. . . . . . . . . . . . .
15
7. PRESENTATIONO F RESULTS . . . . . . . . . . . . . . .
16
ANNEX A METHOD OF CHECKINGS TABILITYO F SPECTRALR ESPONSEO F A PHOTO-
ELECTRICC ELL USING COLOUR FILTERS . . . . . . . . .
17
ANNEX B CO-ORDINATES YSTEMSA ND GONIOMETERSU SEDF OR THE PHOTOMETRY
OF LUMINAIRESA ND THEIRA PPLICATIONT O FLOODLIGHTS . . .
20
ANNEX C THE USE OF TYPE A AND TYPE C GONIOMETERSIN CONNECTION
WITH THE RECOMMENDEDV - H CO-ORDINATES YSTEM . . . . . .
FOREWORD
sihT naidnI dradnatS ( traP 3 ) was detpoda yb eht uaeruB fo naidnI Standards, retfa eht tfard

dezilanif vb eht noitanimullI gnireenignE and serianimuL lanoitceS eettimmoC had neeb

devorppa ljb eht lacinhcetortcelE noisiviD .licnuoC
ehT yramirp evitcejbo fo this standard is ot dnemmocer eht noitpoda fo tset serudecorp hcihw
lliw edivorp eht elbapac tluser ni gnirusaem and gnitroper eht cirtemotohp scitsiretcarahc fo
eht gnithgildoolf .serianimul ehT snoitadnemmocer era dednetni ot edivorp ecnadiug ot
cirtemotohp seirotarobal ni noitceles fo tset apparatus, ni eht tcudnoc fo stset and ni eht
noitatneserp fo eht cirtemotohp data fo gnithgildoolf .serianimul
sihT standard ( traP 3 ) is eno fo seires fo naidnI Standards hcihw slaed htiw eht sdohtem
the
fo yrtemotohp fo .serianimul ehT seires tsisnoc fo eht gniwollof parts:
sdohteM fo yrtemotohP fo :serianimuL
traP 1 serianimuL dednetni rof esu fo roiretni ;gnithgil
traP 2 serianimuL rof daor and teerts ;gnithgil and
traP 3 serianimuL rof .gnithgildoolf
nI eht noitalumrof fo this standard, assistance has neeb devired morf EIC noitacilbuP
43 ( 4.2-CT ) 1979 no yrtemotohP fo .sthgildoolF
IS 13383( Part 3 ) : 1992
Indian Standard
PHOTOMETRY OF LUMINAIRES -
METHODS OF MEASUREMENT
PART 3 LUMINAIRES FOR FLOODLIGHTING
1 SCOPE maeb shapes htiw erom than eno mumixam era
llits rednu .noitaredisnoc
1.1 sihT standard ( traP 3 ) is dednetni ot
revoc eht yrtemotohp fo sthgildoolf desu rof 2.1 flaH-enO Peak Divergence ( In a Specified
roiretni and roiretxe gnithgil sesoprup and
Plane Through the Maximum Intensity )
deppiuqe htiw tnecsednacni ro egrahcsid
( gnidulcni ralubut tnecseroulf ) cirtcele lamp ehT angular tnetxe fo a maeb hcihw sniatnoc
ro htiw rotcelfer lamps. ehT snoitadnemmocer all eht radius srotcev fo eht ralop evruc fo
etaler ot yllausiv ydaets thgil and ton ot a suonimul ytisnetni ni eht deificeps enalp gnivah
gnihsalf .thgil shtgnel retaerg than 50 tnecrep fo eht
.mumixam
1.2 ehT cirtemotohp stnemerusaem debircsed
ni this standard etaler ot gninimreted eht 2.2 kaeP-flaH ediS Angle ( In a Specified Half
suonimul seitisnetni ni eht detcejorp maeb
Plane Through the Maximum Intensity )
hcihw yam eb detneserp as a suonimul
ytisnetni noitubirtsid ,margaid alednac-osi ehT elgna neewteb eht noitcerid fo mumixam
margaid ro ni detalubat mrof elbatius rof esu suonimul ytisnetni and eht noitcerid ni hcihw
ni retupmoc .noitaluclac esehT seitisnetni era eht thgildoolf has a suonimul ytisnetni fo 50
decuded morf ecnanimulli ,stnemerusaem eht tnecrep fo eht mumixam derusaem ni eht
esrevni erauqs law fo secnatsid gnieb desoppus deificeps .enalp-flah
deifirev ( ees 4.4.2 .) nI emos secnatsni eht
NOTE - ehT flah kaep edis elgna si fo laiceps
tnemerusaem fo rehto cirtemotohp seititnauq
tseretni rof suonimul ytisnetni snoitubirtsid hcihw
yam eb erom ,etairporppa as rof elpmaxe eht evah ylno eno enalp fo yrtemmys ro era -irtemmysa
noitubirtsid fo ecnanimulli revo a enalp hcihw .lac ehT‘ suonimul ytisnetni noitubirtsid hguorht a
yam eb ylevitaler esolc ot eht erianimul hcus elgnis enalp ’ba‘ detartsulli ni ralugnatcer naisetraC
setanidrooc ni .giF 1 sah a flah kaep edis elgna fo
as htiw a llaw‘ ’rehsaw epyt .erianimul hcuS
@‘ 1’ ni flah enalp ‘a’ dna @c 2’ ni flah enalp .’bc
stnemerusaem era ton tlaed htiw ni eht troper
ehT eno flah kaep ecnegrevid si ni siht esac
and lliw eb derevoc ni a etarapes .dradnatS
tP1+ 82,.

1.3 ehT cirtemotohp seuqinhcet dednemmocer
htoB eht gnirusaem ,ecnatsid 4.4.3 and eht
od ton edulcni eht cirtemotohp fo srotcejorp
rebmun fo tset ,selgna 6.10, era denimreted
rof signalling ,sesoprup daor gnithgil ,snretnal
yb p‘ ’1 hcihw is eht rellams flah kaep edis
elcihev sthgildaeh ( emos fo hcihw era derevoc
.elgna
yb rehto stnemucod ) ron ’gnimrof-egami‘
lacitpo ,secived hguohtla ralimis seuqinhcet roF lacitcarp ,sesoprup eht flah kaep edis elgna
yam llew eb desu rof eht yrtemotohp fo hcus rof this thgildoolf dluoc eb detats as :swollof
.secived nI emos sesac snoitadnemmocer yam
eb deraperp yb rehto .seettimmoc ehT flah kaep edis selgna fo eht thgildoolf ni
enalp ’ha‘ era ‘ + 9 1 and - p .’2
1.4 thgiL ,smaeb ni hcihw eht elgna neewteb
eht kaep and eht eno flah kaep ytisnetni
noitcerid is less than 2°C ( that is 2 x 2°C ro
4°C ot eno flah kaep ecnegrevid rof a -emmys
lacirt maeb ,) eriuqer laiceps sdohtem fo
yrtemotohp hcihw era ton .dedulcni
2 DEFINITIONS
2.0 The definitions in 2.1 to 2.4 may only be used
for distributions with a continuous reduction 2R 0 10
ni suonimul ytisnetni at gnisaercni selgna fo
ecnegrevid morf a elgnis .mumixam ralucitraP .GIF 1 SUONIMUL INTENSITY DISTRIBUTION
1 ,
IS 13383 ( Part 3 ) : 1992
2.3 Inner Beam of a Floodlight 2.9.1 The suonimul ytisnetni noitubirtsid yam
eb detneserp ni eht mrof fo selbat
ehT dilos elgna gniniatnoc all snoitcerid fo ro a ylimaf fo .sevruc Unless esiwrehto
suonimul seitisnetni retaerg than ro lauqe ot 50 ,deificeps eht noitubirtsid fo suonimul ytisnetni
tnecrep fo eht mumixam .ytisnetni is denifed as that derusaem htiw eht ecnerefer
and yrailixua sexa ni a latnoziroh .enalp
2.4 Outer Beam of a Floodlight
ehT dilos elgna gniniatnoc all snoitcerid fo 2.92 ehT suonimul ytisnetni is desab no a
suonimul seitisnetni retaerg than ro lauqe ot 10 latot suonimul xulf fo 1 000 nemul morf all eht
tnecrep fo eht mumixam .ytisnetni lamps ni eht thgildoolf nehw detarepo rednu
standard .snoitidnoc
2.5 Light Output Ratio
oitaR fo eht thgil tuptuo fo a ,thgildoolf NOTES
derusaem rednu deificeps lacitcarp ,snoitidnoc 1 ehT suonimul ytisnetni noitubirtsid [o sthgildoolf
ot eht sum fo eht laudividni thgil stuptuo fo dettif htiw niatrec sepyt fo thgil secruos si -neped
tned no eht noitatneiro ni ecaps fo eht .thgildoolf
eht lamps gnitarepo edistuo eht thgildoolf rednu
deificeps .snoitidnoc roF ,ecnatsni ni eht esac fo latem edilah spmal eht
tnemecalpsid fo eht cra nihtiw sti ebut dna ylbissop
2.5.1 ehT deificeps‘ ’snoitidnoc dluohs eb eht a noitairav fo eht ecnanimul noitubirtsid gnola eht
standard tset snoitidnoc deificeps ni 5.1. cra yam esuac a tnacifingis egnahc ni eht mumixam
,ytisnetni sti noitcerid dna eht flah kaep edis elgna
nehw eht thgildoolf segnahc sti noitatneiro ni
NOTE - ehT thgil tuptuo oitar derusaem -drocca
.ecaps
gni ot eht noitacificeps ni 5.1 si semitemos derrefer
ot sa thgiLI tuptuo oitar .’erinnimul fI hcus a thgildoolf si dengised ot etarepo ni na
noitatneiro rehto naht taht htiw a latnoziroh -refer
2.6 Reference Axis ecne ,sixa ti dluohs eb derusaem ni taht .noitatneiro
nI siht ,esac eht rerutcafunam tsum yficeps eht
An sixa desu ni eht cirtemotohp stnemerusaem noitcerid fo eht ecnerefer sixa ot eb .denimaxe
as a ecnerefer noitcerid ot etalerroc eht
2 roF sthgildoolf ni hcihw eht thgil ecruos tonnac
cirtemotohp ecnamrofrep htiw eht lacitcarp eb detarapes morf eht lacitpo ,metsys rof ,elpmaxe
gnimia fo eht .thgildoolf delaes maeb ,spmal eht suonimul ytisnetni -irtsid
noitub si nevig rof 1 000 nemul morf eht delacs
NOTE yllausU- eht ecnerefer sixa nesohc si eht sixa maeb pmal .flesti
fo yrtemmys fo eht ,thgildoolf fi .yna nI all ,sesac
eht noitacifitnedi fo eht ecnerefer sixa tsum eb 2.10 Service Correction Factors
ylraelc denifed yb eht rerutcafunam ro fi ton yb eht
cirtemotohp .yrotarobal noitcerroC srotcaf that era deilppa ot trevnoc
eht suonimul ytisnetni noitubirtsid derusaem
2.7 Photometric Light Centre rednu yrotarobal snoitidnoc ot esoht that lliw
ehT noitcesretni fo eht ecnerefer sixa htiw eht eb decudorp ni eht lacitcarp .noitautis -cerroC
tnorf gnizalg ro eht thgil gnitttime aera ni eht noit srotcaf era elbacilppa ylno fi eht lacitcarp
enalp fo eht tnorf erutrepa fo eht .thgildoolf ecivres snoitidnoc dael ot a egnahc fo eht
suonimul xulf tuohtiw at eht emas emit
2.8 Auxiliary Axis gnicudortni segnahc ni eht epahs fo eht thgil
,noitubirtsid rof ,elpmaxe yb tnemecalpsid fo
An sixa gniniatnoc eht cirtemotohp thgil eht ,cra segnahc fo ecnanimul gnola eht ,cra
,ertnec ralucidneprep ot eht ecnerefer ,sixa .cte
deknil ot eht thgildoolf and denifed htiw
ecnerefer ot its lacinahcem .epahs 2.10.1 ehT lacitcarp ecivres snoitidnoc yam eb
rehto noitatneiro ro tnereffid tneibma -repmet
NOTE - ehT yrailixua sixa si desu rehtegot htiw eht
eruta than esoht gnidnopserroc ot eht standard
ecnerefer sixa rof gninifed eht edutitta fo eht -dooA
thgil ni .ecaps htiW ralugnatcer depahs sthgildoolf tset snoitidnoc ( ees also 5.2.1 and 6.13 .)
desu htiw eht lanidutignol ro esrevsnart sixa fo eht
thgil gnittime trap ni a latnoziroh ,enalp eht -ixua 2.11 sepyT fo thgildoolF
yrail sixa dluohs syawla dnopserroc ot eht -iroh
latnoz sixa fo taht .trap roF yllanoitator cirtemmys
roF eht esoprup fo cirtemotohp stnemerusaem
sthgildoolf eht eciohc fo eht yrailixua sixa yam osla
sthgildoolf era dedivid otni owt spuorg htiw
dneped no eht noitatneiro fo eht thgil .ecruos
drager ot rieht kaep-flah edis elgna and otni
2.9 Distribution of Luminous Intensity ruof spuorg htiw drager ot eht yrtemmys fo eht
suonimul ytisnetni .noitubirtsid
ehT noitairav fo suonimul ytisnetni desserpxe
htiw ecnerefer ot all snoitcerid morf eht
NOTE - ehT noitacifissalc desu rof snoitacilppa
ecnerefrep .sixa yam eb .tnereffid
SI 13383 ( traP 3 ) : 1992
2.11.1 gnipuorG htiw tcepser ot flah kaep edis htod noitcudorp ballast and ecnerefer ballast
’:elgna shall eb detarepo at rieht etairporppa detar
,segatlov htob gnieb detnuom ni eerf ,ria and
puorG I sthgildoolF gnivah a flah kaep
eht ecnerefer lamp shall etarepo at all semit
edis elgna ni yna flah enalp
ni an tneibma erutarepmet fo 25°C detnuom ni
gniniatnoc eht mumixam ytisnetni
hcus a rennam that its ecnamrofrep is ton
rellams than ro lauqe ot 4”.
detceffa yllamreht yb its detaicossa ballast.
sthgildoolF-ETON htiw a flah kaep ,ylevitanretlA htob suonimul xulf stnemerusaem
edis elgna ssel naht CP era ton
yam eb edam using a lamp ton gnivah ecnerefer
derevoc yb siht dradnatS ( ees 2.3 .)
,scitsiretcarahc tub gniylpnrOeChl htiw eht
puorG II sthgildoolF gnivah a flah kaep stnemeriuqer fo etairporppa lamp
edis elgna ni eno ro erom flah .snoitacificeps
senalp gniniatnoc eht mumixam
nI eht esac fo a noitcudorp ballast hcihw seiler
ytisnetni retaerg than .’4
rof lamp noitarepo no lareves etarapes
2.11.2 gnipuorG htiw tcepser ot eht yrLemmys ,stnenopmoc all eseht shall evah evitcejbo
fo eht suonimul ytisnetni :noitubirtsid .scitsiretcarahc
ehT tset snoitidnoc denoitnem evoba refer ot
)a yllanoitatoR ,cirtemmys
eht snoitidnoc rof tnemerusaem fo suonimul
)b cirtemmyS tuoba owt ,senalp xulf as deificeps ni eht etairporppa lamp
)c cirtemmyS tuoba eno ,enalp and standard.
)d .cirtemmysA gnithgiL snoitaluclac desab no cirtemotohp
stnemerusaem as deificeps ni this standard
2.11.2.1 lacipyT selpmaxe fo eht lareneg spuorg
assume yllaitnesse that eht lamp nehw
htiw ecnerefer ot rieht suonimul ytisnetni
detarepo morf eht ballasts deilppus htiw eht
noitubirtsid era nwohs ni eht alednacosi
sthgildoolf reviled lanimon suonimul xulf nehw
.giF d2-a2 .ylevitcepser alednacosI sevruc evah
yeht era detnuom rednu standard snoitidnoc as
neeb drawn ot tneserper eht noitcejorp fo eht
deificeps ni 5.1.
maeb no eht enalp ralucidneprep ot eht
sihT yam ton eb eurt ni ,ecitcarp rof ,elpmaxe
ecnerefer sixa fo eht .thgildoolf ehT
rof lacinhcet and laicremmoc snosaer rednu
snoitcesretni no this enalp fo ecnerefer ,sixa
detar ballasts yam eb desu ni eht ,sthgildoolf
eht noitcerid fo mumixam ytisnetni and eht
and eht resu lliw ni this esac teg a rewol
senalp fo ,yrtemmys fi ,yna era osla .detartsulli
suonimul xulf than eh .detcepxe sihT rorre nac
2.12 dednemmoceR etanidro-oC metsyS rof eb detcerroc yb esu fo eht ballast nemul .rotcaf
gnitneserP suonimuL ytisnetnI noitubirtsiD Data nI all gnithgil ,snoitaluclac eht thgil tuptuo
oitar and eht suonimul seitisnetni ,dluohs
ehT dednemmocer etanidro-oc metsys is that
,erofereht eb deilpitlum yb eht ballast nemul
hcihw has neeb nesohc ot tneserp suonimul
ytisnetni noitubirtsid data ni a mrof that .rotcaf

selbane ecnanimulli ytisnetni noitubirtsid data 3 ELBATPECCA ORDER FO ACCURACY
ni a mrof that selbane ecnanimulli snoitaluclac FOR THGILDOOLF YRTEMOTOHP
ot eb edam ni a deifilpmis rennam rof -doolf
3.1 ehT latot tceffe fo citametsys and modnar
lights hcihw yam eb detsujda hguorht suoirav
srorre ni eht retemoinog dluohs ton :deecxe
selgna fo tlit ni .noitavele nI noitidda eht
metsys uses a gnirusaem euqinhcet that syolpme &-r 5 tnecrep fo lautca
a ( epyT B ) retemoinog htiw a dexif lacitrev 1 ytisnetni ni a ralucitrap
;sixa rof emos ,sthgildoolf ,revewoh ti yam eb roF tnemerusaem I noitcerid
yrassecen ot erusaem no rehtona epyt fo suonimul 01fI tnecrep salednac rep
retemoinog etoNees( ni .)2.6 ytisnetni 1 1 000 lamp snemul -hcihw
revel is eht retaerg
NOTE - sliateD fo suoirav etanidro-oc smetsys OR roF( smaeb htiw a flah
dna sretemoinog taht evah neeb deredisnoc era
dedivorp ni xennA .B \ kaep edis :elgna
roF tnemerusaem
2.13 tsallaB nemuL rotcaF fo angular 1 evobA 2” and
ehT ballast nemul rotcaf is eht oitar fo eht noitcerid I less than 4” f 0.1”
1 4” and less than 8” f 0.2”
suonimul xulf fo a ecnerefer lamp nehw
evobAl 8” f 0.4”
detarepo htiw an etairporppa evitcejbo
noitcudorp ballast ot eht suonimul xulf fo eht NOTE - etaruccanI angular stnemtsujda retaerg
naht eht secnarelot detats evoba yam dael ot rorre
emas ecnerefer lamp detarepo htiw its ecnerefer
ni eht derusaem suonimul ytisnetni ni ssecxe fo 5
ballast. .tnecrep
3 ,
IS 13383 ( Part 3 ) : 2991
.giF a2 yllanoitatoR
Symmetric noitubirtsiD
.giF b2 noitubirtsiD
lacirtemmyS tuoba owT
senalP
.giF c2 noitubirtsiD YEK
0 : ecnerefer sixa
lacirtemmyS tuoba enO
+ : xamI
enalP
__- : enalp fo
symmetry

.giF d2 cirtemmysA
noitubirtsiD
FIG. 2 TYPICAL IS0 CANDELAD IAGRAMS
4
IS 13383 ( Part 3 ) : 1992
4 LABORATORY EQUIPMENT 4.2 Test Lamps
4.2.1 Selection of Lamps for Test
4.1 Electrical Power Supplies and Indicating
ehT lamps detceles rof rset dluohs ylpmoc htiw
Instruments
eht tnaveler naidnI Standards. fI hcus -ificeps
lacirtcelE rewop seilppus dluohs teem eht snoitac od ton ,tsixe eht lamps dluohs ylpmoc
gniwollof :stnemeriuqer as ylesolc as elbissop htiw eht lanimon -ificeps
snoitac fo eht lamp .rerutcafunam ehT thgil
a) ehT rewop ylppus shall evah etauqeda ertnec noitisop dluohs eb dekcehc ,ylluferac
tnerruc handling yticapac rof eht daol
ylralucitrap rof lamps dettif htiw a sucof-erp
ot eb detcennoc and dluohs eb
epyt lamp .pac
;desilibats
spmaL rof elpitlum lamp ,sthgildoolf fi dednetni
b) tI dluohs wolla eht egatlov ot eb tes and ot eb fo eht emas epyt and ,egattaw dluohs eb
deniatniam ot 0.2 tnecrep ro retteb rof dehctam rof suonimul xulf nihtiw a daerps fo
stnemerusaem no netsgnut tnemalif 3 tnecrep nehw detarepo no eht, emas ylppus
lamps and ot 0.5 tnecrep ro retteb rof and ballast .tiucric yehT yam neht eb desu ni
stnemerusaem no egrahcsid lamps; and noitarbilac and tset tuohtiw drager ot eht
suonimul xulf hcihw thgim eb deniatbo no eht
c>
fI eht ylppus is ,ca eht resilibats dluohs stiucric fo eht thgildoolf ballasts.
eb fo yrev wol ecnadepmi and eht
ehT lamps dluohs eromrehtruf ylpmoc htiw eht
epahsevaw hcus that eht latot cinomrah
snoitacificeps nevig ni 4.2.2, 4.2.3 and 4.3.4.
tnetnoc seod deecxe 3 ;tnecrep eht
cinomrah tnetnoc gnieb denifed as eht 4.2.2 Diflusing Quality of the Lamp
erauqs-naem-toor ( rms ) noitammus fo roF lamps htiw a rohpsohp ro esuffid gnitaoc
eht laudividni cinomrah ,stnenopmoc fo eht ,ebut eht gnisuffid ytilauq fo eht lamp
taking eht latnemadnuf as 100 .tnecrep blub dluohs dnopserroc ot eht egareva fo eht
sihT tnemeriuqer yam eb dexaler fi ylno .noitcudorp
tnemalif lamp sthgildoolf era ot eb
NOTE - ehT dohtem rof gnirusaem eht gnisuffid
.derusaem
ytilauq fo a pmal si rednu .noitaredisnoc
,sretemtloV sretemma and sretemttaw dluohs 4.2.3 Ageing of Lamps
ylpmoc htiw eht CEI stnemeriuqer rof class llA lamps dluohs eb dega litnu eht suonimul
xedni 0.5. stnemurtsnI rof gnitacidni rms xulf is nwohs yb evisseccus sgnidaer ot eb
seulav ni stiucric htiw mrofevaw noitrotsid .elbats gniegA dluohs eb deirrac tuo yb cilcyc
shall eb yllaitnatsbus eerf morf rorre eud ot noitarepo fo eht lamps esolc ot rieht lacirtcele
this ;noitrotsid ylbareferp stnemurtsni dluohs ngised noitacificeps rof a dednemmocer
eb fo eht cimanyd-ortcele ,epyt ,revewoh ni muminim doirep fo 100 sruoh ni eht esac fo
emos secnatsmucric eht gnivom nori epyt yam netsgnut tnemalif and ralubut tnecseroulf lamps
eb .yrotcafsitas and 200 sruoh rof rehto lamps. A detseggus

elcyc stsisnoc fo a 15 etunim doirep ffo yreve

NOTE - ehT tnemeriuqer ot dloh eht ylppus 4 .sruoh ehT noitisop fo eht lamps gnirud
egatlov ot tnemalif sumal nihtiw 2-O tnecreD fo a tes gniega dluohs eb as :swollof
seod-eulav ton ylirassecen ylpmi a retemtlov fo
netsgnuT tnemalif lacitreV pac up
retaerg ycarucca eht’naht ssalc xedni 0.5 deificeps
.evoba roF eht evitaler dohtem fo yrtemotohp eht netsgnuT negolah tnemaliF latnoziroh
tnemeriuqer si detaler ot eht gnidaer noisicerp fo ralubuT tnecseroulf latnoziroH
eht tnemurtsni dna ton sti etulosba ,ycarucca woL erusserp muidos latnoziroH
dedivorp taht sti ytilibats si etauqeda rof ,elpmaxe
hgiH erusserp yrucrem lacitreV pac up
gnitaeh-fles ,rorre orez ,egapeerc .cte
yrucreM edilah latnoziroH
hgiH erusserp muidos latnoziroH
lacirtcelE gnitacidni stnemurtsni dluohs
eb dekcehc at raluger .slavretni nehW -orppa NOTES
,etairp noitcerroc dluohs eb edam ot yna 1 roF wol erusserp muidos spmal htiw a depahs-U
tnemurtsni gnidaer detceffa yb eht ecneserp fo ebut eht enalP gniniatnoc eht owt sbmil dluohs cb
rehtona tnemurtsni ni eht .tiucric lacitrev sselnu esiwrehto .deificeps Any lamp
gniwohs retfa gniega na lamronba noitubirtsid fo
cillatem muidos dluohs eb .dedracsid
llA lacirtcele snoitcennoc and sdael shall eb
2 A pmal dluohs eb dekram ot erusne taht ni
fo wol ecnadepmi and etauqeda rof eht tiucric tneuqesbus esu ti si detdrepo ni na lacitnedi
tnerruc yllaicepse htiw egral egattaw lamps. noitisop gnidulcni sti noitatneiro tuoba eht long
.sixa
retemtloV sdael desu htiw tnemalif lamps
dluohs ylbareferp eb detcennoc yltcerid at eht 3 ynA pmal taht si dednetni ot ab desu ni rehtie a
latnoziroh ro a lacitrev pu-pac noitisop dluohs eb
redlohpmal .slanimret
dekcehc rof ytilibats ni htob .snoitisop
5 ?