20040715_final Draft -3 Phase Ht Consumer Meter-may 2005

8/11/2019 20040715_final Draft -3 Phase Ht Consumer Meter-may 2005

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APDRP PROJECTS

STANDARDTECHNICAL SPECIFCATION

FOR

3P/4 WIRE CT/PT OPERATED FULLY STATIC

ENERGY METERS


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TABLE OF CONTENTS

1.0 APPLICATION..............................................................................................................................32.0 STANDARDS TO WHICH METERS SHALL COMPLY............................................................33.0 LOCATION AND MOUNTING....................................................................................................34.0 GENERAL TECHNICAL RE6UIREMENTS..............................................................................4

4.1 TYPE..........................................................................................................................................44.2 FRE6UENCY RANGE.............................................................................................................44.3 ACCURACY CLASS................................................................................................................44.4 REFERENCE SECONDARY Vo'+ -!.......................................................................................4

4.5 B (%" " !$+ 7I 1 8........................................................................................................................44.6 M 9%0 0 Co$+%$ o ( " !$+....................................................................................................44.7 POWER FACTOR RANGE.......................................................................................................4

4.:. DESIGN..............................................................................................................................44.:.5 MANUFACTURING PROCESS, ASSEMBLY AND TESTING......................................4

4.9 DISPLAYS................................................................................................................................. ;4.! * %' ! "o$=%+%o$(...................................................................;

4.10 PERFORMANCE UNDER INFLUENCE 6UANTITIES......................................................;4.11 TEMPERATURE CONDITIONS............................................................................................;4.12 ADDITIONAL TECHNICAL FEATURES.............................................................................;

4. 5. OUTPUT DEVICE............................................................................................................;4. 5.5 CUMULATIVE ENERGY REGISTER............................................................................;

4.13 REAL TIME INTERNAL CLOCK OF ENERGY METER 7RTC8........................................?4.14 CLOCK SYNCHRONISATION..............................................................................................?4.15 6UANTITIES TO BE MEASURED & DISPLAYED............................................................?

4 16DEMAND INTEGRATION PERIOD 7DIP8........................................................................... :


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TECHNICAL SPECIFCATIONFOR

FULL STATIC ENER' METERS

1.0 APPLICATION HT CONSUMERS2.0 STANDARDS TO WHICHMETERS SHALL COMPLY

IS 4;


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4.0 GENERAL TECHNICAL RE6UIREMENTS4.1 TYPE S+ +%" E$! - M!+! , 3 P#, 4 W% ! T % V!"+o E$! - M!+! ,

>%+# TIME OF DAY2 !-%(+! (, Lo = ) o*%'! = + !"o =,MD2 !-%(+! , O)+%" ' )o +, ( %+ 1'! *o 1o+# $1 ' $"!= &

1 ' $"!= 'o =(.4.2 FRE6UENCY RANGE H / 4.3 ACCURACY CLASS 0.2S %, C #-- 0.5 S

4.4 REFERENCESECONDARY Vo'+ -!

S %+ 1'! *o o)! +%o$ F o0 V P# P# o ;3. Vo'+( P# N

4.5 B (%" " !$+ 7I 1 8 / A0)( o / A0)(. CTR ))'%" 1'! ( )! U+%'%+! % !0!$+

4.6 M 9%0 0 Co$+%$ o (" !$+.

5 I1

4.7 POWER FACTORRANGE

. L - UNITY . L! =

4.8.1 DESIGN M!+! (# '' 1! =!(%-$!= >%+# ))'%" +%o$ ()!"%*%" %$+!- +!="% " %+ 7 (%"8 o 0%" o "o$+ o''! (# '' # ! $o 0o %$- ) +

!'!"+ o$%" "o0)o$!$+( (# '' 1! ((!01'!= o$ ) %$+!= "% " %+ 1o = (%$- ( * "! 0o $+%$- +!"#$o'o- * "+o " '%1 +%o$

(%$- #%-# "" " 7 . 5 "' (( *o C' .5 $= C' (( . *oC' (( . 8 (o*+> ! 1 (!= +!(+ 1!$"#.A((!01' o* !'!"+ o$%" "o0)o$!$+( (# '' 1! ( )! IPC A ;(+ $= =. I$+! $ ' )o>! ( ))' "% " %+ (# '' 1! =!(%-$!= (%$-#%-#' !'% 1'! "o0)o$!$+.C %+%" ' "o0)o$!$+( ( "# ( 0!+! %$- IC( 7ASIC8,M%" " $ ''! ! " (# '' 1! STACK $ IEC6 )) !


5/22

*o +!(+%$- o* ( 1 ((!01'!= " =(.M $ ' )' "%$- o* "o0)o$!$+( $= (o'=! %$-, +o 1! 0%$%0% !=+o %+!0(, >#%"# " $$o+ 1! # $='!= 1 +o0 +%" 0 "#%$!.

H $='%$- o* PCB2 >%+# IC(/C MOS "o0)o$!$+(, +o 1!!(+ %"+!= +o 1 ! 0%$%0 0 $= ) !" +%o$( +o ) ! !$+ ESD2

* %' ! +o 1! ) o %=!=.Co0)'!+! ((!01'!= $= (o'=! != PCB (#o '= $=! -o* $"+%o$ ' +!(+%$- (%$- "o0) +! % != A +o0 +%" T!(+E %)0!$+. T!(+ )o%$+( (#o '= 1! ) o %=!= +o "#!" +#!

)! *o 0 $"! o* ! "# 1'o" /(+ -! o* +#! 0!+! "% " %+ .

F '' ((!01'!= $= *%$%(#!= 0!+! (# '' $=! -o 1 $ %$2+!(+ ) o"!(( *o 54 Ho ( + =!- !! C!'(% ( 7M 9.+!0)! + ! +o $o+ !9"!!= ; =!- !! C!'(% (8 $=! 1 (!" !$+7I18 'o = "o$=%+%o$.

T!(+%$- + %$+! 0!=% +! $= *%$ ' (+ -! +o 1! " %!= o + >%+#

+!(+%$- %$(+ 0!$+(, = ' " '%1 +!= >%+# !*! !$"! (+ $= =,>%+# + "! 1%'%+ o* (o "! $= = +!.


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4.9 DISPLAYS

4.9.1 M!+! ! =%$- = %$- )o>! * %' ! "o$=%+%o$( pplication note- The utilityusing this standard

specification is advised toretain only one of the optionsat (a) ./ (b) and thus

standardi0e the manner inwhich meters in his system areread during power fail

condition+ The utility may specify meters required without any facility to read duringmains power failure in the

B. +

LCD (# '' 1! ( %+ 1'! *o +!0)! + ! >%+#(+ $= o* ? C.; =%-%+ 1 " '%+ LCD2 D%()' o* 0%$%0 0 :00 #!%-#+ $=

) o %=!= >%+# P (# B ++o$ *o +o (" o''%$- >%+# )! (%(+!$"! +%0! o* (!"o$=( *o ! "# ) 0!+! . S! !$"! o* =%()' (# '' 1! ( =!(% != 1 P "# (! + +#! +%0! o* o =! . A++#! !$= o* +#! (" o''%$- " "'!, +#! =%()' >%'' (>%+"# 1 " +o+#! KWH ' !.

F "%'%+ *o ! =%$- +#! 0!+! %$ " (! o* 1(!$"! o* 0 %$( )o>! ( ))' (# '' 1! ) o %=!=. T#%( * "%'%+ (# '' 1! 1 )o>! %$-* o0 (!) +! %$+! $ ' 1 ++!%, 1 $ !9+! $ ' )o>! ( ))'"o$$!"+!= +o +#! 0!+! = %$- +#! 0!+! ! =%$- o)! +%o$.

8 I$+! $ ' B ++! T#! %$+! $ ' 1 ++! >#! ! ! ) o %=!= (# '' 1! o* 'o$- '%*! o* $o+ '!(( +# $ !%-#+ ! ( $= (# '' 1! !)++ %" '! "# -!= * o0 +#! 0 %$( ( ))' (o "! $=! $o 0 '"o$=%+%o$(. T#! 1 ++! (# '' $o+ = 0 -! +#! 0!+! ! !$ = %$-

) o'o$-!= %='! (+o -! o* +#! 0!+! . 18 E9+! $ ' )o>! ( ))' T#! 0!+! "o '= '+! $ +!' 1!

)o>! != * o0 $ !9+! $ ' )o>! (o "! +# o -# %$= "+% !"o )'%$- $-!0!$+ o $ o+#! ( %+ 1'! $-!0!$+ >%+#!'!"+ %" ' %(o' +%o$. P o %(%o$ (# '' 1! 0 =! *o ) ! !$+%$-= 0 -! +o +#! 0!+! = ! +o %$ = ! +!$+ ))'%" +%o$ o* !9+! $ '#%-# o'+ -!. T#! "o )'%$- $-!0!$+ (# '' 1! %" 'o" %$-(!'* #o'=%$- + )! $= (# '' 1! 'o" +!= %$ +#! * o$+ o* +#! 0!+! .T#! )# (%" ' $= !'!"+ %" ' ) 0!+! ( o* +#%( !9+! $ ' )o>! ( ))' (# '' 1! +o +#! ! % != (+ $= = $-!0!$+ o* +#!

( % % ( % $ % ) ( )) % (


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4.13 REAL TIME INTERNALCLOCK OF ENERGYMETER 7RTC8

M 9%0 0 = %*+ (# '' $o+ !9"!!= / 3 S!"o$=( )! ! , >%+#%$+! $ ' B ++! ( ))' .3 Y! ( C '!$= ) ! ) o- 00!=T%0! & = +! (!++%$- (# '' o$' 1! )o((%1'! +# o -# o$! o* +#!*o''o>%$-7 8 Co00o$ M!+! R! =%$- I$(+ 0!$+ 7CMRI8 o M!+!

+!(+%$- >o 1!$"# $= +#%( (# '' $!!= ) ((>o = !$ 1'%$-*o Co$( 0! 0!+!

718 F o0 B (! 1%''%$- ( (+!0 "o0) +! (%$- Mo=!0 7%* ) o %=!=8 *o $!+>o 7PSTN8 "o$$!"+!= 0!+! .

4.14CLOCK

SYNCHRONISATIONS $"# o$%( +%o$ o* E$! - M!+! RTC2

8 T# 2 CMRI >%+# ) ((>o = ) o+!"+%o$. 18 F o0 B (! 1%''%$- ( (+!0 "o0) +! +# o -# "o00 $%" +%o$$!+>o *o $!+>o "o$$!"+!= 0!+! (.S $"# o$%( +%o$ (# '' 1! " %!= o$' %* +#! RTC2 = %*+ %( >%+#%$ 0%$ +!(.E o 'o- +o 1! !"o =! 1 +#! ( (+!0 S/W %* +#! RTC2 +%0! %(o + o* $-!.

4.15 6UANTITIES TO BEMEASURED & DISPLAYED

A( )! A))!$=%9 G o* IS 4;


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4.16 DEMANDINTEGRATION PERIOD7DIP8

%8 E$! - M!+! (# '' "o$+%$ o (' 0o$%+o $= " '" ' +! +#!! -! 0 9%0 0 W =!0 $= *o ! "# =!0 $= %$+! '

+%0! o* 3 0%$ +!( $= 0 9%0 0 o* +#!(! %$ " '!$=0o$+# (# '' 1! (+o != 'o$- >%+# = +! $= +%0! >#!$ %+o"" !=.

%%8 T#! 0 9%0 0 W =!0 $= o* ) (+ (%9 0o$+#(, *o ! "#0o$+#, (# '' 1! (+o != %$ +#! 0!0o >%+# = +! $= +%0!.

%%%8 I+ (# '' 1! )o((%1'! +o !+ %! ! +#%( = + +# o -# o)+%" '"o00 $%" +%o$ )o + +# o2 CMRI.

% 8 T#! ! (# '' 1! $o !(!++%$- 1 ++o$ *o MDI = + $=!(!++%$- (# '' 1! )o((%1'!, o$ ! !(+, % CMRI "o$$!"+%o$

>%+# ) ((>o = !$ 1'!= ""!(( o$' .8 3 ! ( " '!$= (# '' 1! ) o- 00!= 1 0 $ * "+ ! .%8 I+ (# '' 1! )o((%1'! +o "# $-! DIP +o 0%$ +!( + (%+!

>%+# ) o)! (!" %+

4.17 TIME OF DAY 7TOD8REGISTERS

; =%**! !$+ TOD !$! - !-%(+! ( ( )! "' (! G : o* IS 4;


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4.20 COMMUNICATIONFACILITIES & STANDARDS

D + "#%+!"+ ! $= "o00 $%" +%o$ ) o+o"o'( (# '' !$ 1'!! ( 0 '+% !$=o !9"# $-! o* = + >%+#o + ( -! o* $"o$ ! +%$-/+ $(' +%$- ! %)0!$+. Fo +#%(, +#! = + (+ "+ !

=o)+!= >%+#%$ +#! !$! - 0!+! (# '' 1! o$ $ %$+! $ +%o$ ''""!)+ 1'! 0!+#o=. T#! = + (+ "+ ! /"o=%$- =!+ %'( (# '' 1!

* $%(#!= +o +#! P "# (! . A'' $!"!(( (o*+> ! ! % != *o =o>$ 'o =%$- +#! %$*o 0 +%o$ +o (! * %!$=' W%$=o>(2

1 (!= o)! +%$- ( (+!0 o* B (! 1%''%$- "o0) +! ( (+!0,(o*+> ! *o CMRI "o00 $%" +%o$ 1! * $%(#!= %$ ! % !=$ 01! o* "o)%!( 7O$ CD8 >%+#o + $ ==%+%o$ ' "o(+ +o +#!P "# (! .

8 Lo" ' "o00 $%" +%o$ )o + M!+! (# '' 1! ) o %=!= >%+# RS 535 "o00 $%" +%o$ )o +

( %+ 1'! *o %$+! * "%$- >%+# (+ $= = 0o=!0. I+ (# '' 1! )o((%1'! +o =o>$'o = (+o != 0!+! >%+# +#! %= o* ("#!= '! , 1 == !((%$-/=% '%$- o$! 0!+! + +%0! $==o>$'o =%$- +#! (+o != = + %$+o +#! !0o+! "o0) +! (+ +%o$. A'+! $ +!' +#! =!(% != + )! o* 0o=!0 0 1!

) o %=!= ( %$1 %'+ %$(%=! +#! 0!+! %* ()!"%*%!= %$ +#! BO6!'(!>#! !.

18 E$! - 0!+! (# '' '(o # ! - ' $%" '' %(o' +!= o)+%" '"o00 $%" +%o$ )o + %$ * o$+ o* +#! 0!+! *o = + + $(*! +oo * o0 # $= #!'= = + Co''!"+%o$ D! %"! 7Co00o$ M!+! R! =%$- I$(+ 0!$+ CMRI2 "o$*o 0%$- +o CBIP +!"#$%" '

!)o + 8 >%+# ) o)! (!" %+ $= >%+#o + ! o .


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4.21 TAMPER AND FRAUDPROTECTION FEATURES

T#! 0!+! (#o '= # ! $+% + 0)! *! + !(. T#!(! (# '' + '! (+%$"' =!%8 P# (! S! !$"! R! ! ( ' M!+! (#o '= >o "" +!'

% !()!"+% ! o* )# (! S! !$"! o* ( ))' .%%8 C !$+ ! ! ( ' %$ " !$+ "o%' T#! 0!+! (# '' !-%(+!

!$! - "o$( 0)+%o$ "o !"+' %$ *o > = =% !"+%o$% !()!"+% ! o* +#! =% !"+%o$ o* " !$+ %$ +#! " !$+"o%'/Co%'( >%+# = +! $= +%0! o* *% (+ o"" !$"! $= ' (+

!(+o +%o$ 'o$- >%+# +o+ ' $ 01! o* ( "# o"" !$"!( *o '' )# (!( = %$- +#! 1o ! )! %o=. Ho>! ! , +#%( "o !"+%o$

*o +#! + 0)! (# '' $o+ 1! ))'%" 1'! *o 3P# (! 4W% !0!+! >#!$ "o$$!"+!= %$ 3)# (! 3 >% ! 0o=! o *o 3P# (!3W% ! M!+! .

%%%8 M%((%$- )o+!$+% ' M!+! (# '' 1! " ) 1'! o* =!+!"+%$- $=!"o =%$- o"" !$"!( o* 0%((%$- )o+!$+% ' 7O$! )# (! o

+>o )# (!8 $= %+( !(+o +%o$ >#%"# " $ # ))!$ = ! +o%$+!$+%o$ '/ ""%=!$+ ' =%("o$$!"+%o$ o* )o+!$+% ' '! =( >%+#= +! $= +%0! 'o$- >%+# +o+ ' $ 01! o* ( "# o"" !$"!(

*o '' )# (!( = %$- +#! 1o ! )! %o=. T#%( !"o =%$- o* + 0)! %$- (# '' $o+ 1! =o$! >#!$ +#! ! %( $o " !$+ 7o

1!'o> +# !(#o'= " !$+8 %$ +# + )# (!.% 8 M%((%$- N! + ' M!+! (# '' "o$+%$ ! +o !"o = "" +!'

( )! ) ! %'%$- !'!"+ %" ' "o$=%+%o$(, ! !$ %* +#! $! + ' o* ( ))' -!+( =%("o$$!"+!=.

8 I$*' !$"! o* H%-# M -$!+%" F%!'= T#! (+ !$-+# $= + )! o* 0 -$!+( (# '' 1! ( )! CBIP :: !"o00!$= +%o$(.


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5.0 TYPE TESTS

5.1 Fo B (%" E$! - M!+!

%8 T#! 0!+! o**! != (#o '= # ! ( ""!((* '' ) ((!= '' + )!+!(+( =!(" %1!= %$ +#! IS 3??< $= IEC ; 4, & ;. T )!+!(+ "! +%*%" +! (# '' 1! ( 10%++!= 'o$- >%+# +#! o**! $= +#!

( 0! (# '' $o+ 1! 0o ! +# $ 3; 0o$+#( o'= + +#! +%0! o*( 10%((%o$ o* +#! 1%=. M ! & + )! o* 0 o "o0)o$!$+( (!=%$ +#! + )! +!(+!= 0!+! (# '' 1! %$=%" +!= %$ +#! + )! +!(+"! +%*%" +!(.

%%8 F +#! ) "# (! (# '' !(! ! +#! %-#+ +o )%" ) !$! -0!+! ( + $=o0 * o0 +#! 'o+( o**! != $= -!+ +#! 0!+! +!(+!=

+ +#% = ) + ' 1 %.!. CPRI B $- 'o ! / -!$"%!( '%(+!= +A))!$=%9 C o* CBIP :: / NPL / C6AL / ERTL / ERDA + +#!(o'! =%(" !+%o$ o* +#! ) "# (! . T#! ( ))'%! # ( $o %-#+ +o"o$+!(+ +#! +!(+ !( '+( o* +#! +#% = ) + ' 1 o *o ==%+%o$ ' +!(+

$= # ( +o !)' "! / + ! "o !"+% ! "+%o$ + +#! "o(+ o* +#!( ))'%! .

%%%8 I+ (# '' 1! +#! !()o$(%1%'%+ o* +#! ( ))'%! +o $-! ( "#

+!(+( $= P "# (! (# '' 1! %$*o 0!= o* +#! = +! $= +%0! o*"o$= "+%o$ o* +!(+( >!'' %$ = $"! +o !$ 1'! #%0 +o >%+$!((( "# +!(+(. T!(+ "# -!( o* +#! +!(+%$- +#o %+ *o ( "#( ""!((* ' !)! + + )! +!(+( (# '' 1! !%01 (!= + "+ ' 1 +#!P "# (! .

5.2 Fo D + T $(*! $=Co00 $%" +%o$ " ) 1%'%+

T#%( (# '' 1! o$ 0 + '' - !!= +!(+( +o 1! *%$ '%(!= + +#! +%0!o* Co$+ "+ A> =. T#! 0!+! "o '= 1! +!(+!= + +#% = ) + ' 1%.!. CPRI B $- 'o ! / NPL / ERTL / ERDA.


12/22

6.0 ACCEPTANCE &ROUTINE TESTS

%8 C %+! % *o (!'!"+%o$ *o ( "# +!(+( $= )! *o 0 $"!! % !0!$+( (# '' 1! ( )! IS 3??%+#(+ $= 7SWC8,

L%-#+$%$- %0) '(! $= HF =%(+ 1 $"! ( )! IEC ; 4& .Fo +#%(, o$! ( 0)'! 0!+! )! o =! * o0 o$! o* +#! o**! != 'o+(# '' 1! ( 1 !"+!= +o SWC/o+#! (!0% =!(+ "+% ! +!(+(. M!+! (

*+! +!(+( (# '' $o+ 1! (!=. L%-#+$%$- I0) '(! +!(+, '%(+!= $=! SWC2 (# '' 1! =o$! *o : V) $= 3 Jo '!(.

%%%8 A"" " +!(+( (# '' 1! )! *o 0!= + +#! 1!-%$$%$- $= ++#! !$= o* +#! ""!)+ $"! +!(+( ()!"%*%!=

7.0 6UALIFYINGRE6UIREMENTS

No+! U+%'%+%!( 0 '% ! +o ==o 0o=%* +#%( 6R 1 (!= o$ +#!

$+ 0 $=! +!$=! %$- $=%$"o )o +! "' (!( 1 (!= o$+#! ) o= "+%o$ " ) "%+ $=" ) 1%'%+ $!!=(.

%8 M!+! ( %=!$+%" ' +o +#o(! o**! != (#o '= # ! ( ""!((* '' ) ((!= '' + )! +!(+( ( ()!"%*%!= %$ !'! $+ (+ $= =( * o0

$ %$+! $ +%o$ '' !"o-$% != +!(+%$- +#o %+ o NABL"" !=%+!= ' 1o +o %!(.

%%8 A+ '! (+ $o(. o* (+ +%" !$! - 0!+! ( (#o '= # ! 1!!$ %$( ""!((* ' o)! +%o$ %$ )o>! +%'%+ *o $o+ '!(( +# $ +>o

! ( ( o$ = +! o* 1%= o)!$%$-. E %=!$"! ( ))o +%$- +#!'%* %$- ! % !0!$+( (# '' 1! * $%(#!= >%+# +#! o**! ,

>%+#o + >#%"# +#! o**! ( (# '' 1! "o$(%=! != $o$ !()o$(% !$= ! '% 1'! *o ! !"+%o$.

OR T#! ! -! $$ ' + $o ! o* +#! 0 $ * "+ ! *o E$! -

0!+! ( *o +#! +# !! 738 1!(+ *%$ $"% ' ! ( o + o* ' (+ *% !7 8 ! (, + '! (+ (#o '= 1! R(. L #(.

7 %( 5 9 P " -! Co(+ 9 5/ Wo "o0)'!+%o$ ("#!= '! %$Mo$+#(8

$ $ $ $ $ $


13/22

P' $8 ( "+ '' ) "+%"!= + >o (.%%%8 L%(+ o* > 0 +! % '( $= " %+%" ' "o0)o$!$+( 7ASIC "#%),

" (+ ' "'o" , 0!0o !-%(+! C#%), + $(*o 0! (, o)+%" '

)o +( !+".8 >%+# +#!% ( ))'%! (% 8 S+ -! %$()!"+%o$ o* ) o= "+ 1!*o ! *%$ ' +!(+%$-

8 P o"!= ! =o)+!= *o I$ (%+ 2 +!(+%$- o* PCB(, *+! )' "!0!$+ o* ( * "! 0o $+!= "o0)o$!$+, *o $+%+ +% ! ) 0!+ %" % +%o$ o* +o'! $"! 1 (!'* o ( 1 "o$+ "+o

%8 T!(+%$- $= " '%1 +%o$ * "%'%+ >%+# 0 $)o>! = + o* 1!$"# o)! +o (

%%8 S 0)'! "o)%!( o* +!(+ "! +%*%" +! o* 1o -#+ o + "o0)o$!$+(.%%%8 6 '%+ )' $ +o 1! =o)+!= 1 +#! ( ""!((* ' 1%==!

(# '' 1! ! %!>!= $= )) o != 1 +#! P "# (! = %$-"o$+ "+ > = (+ -!.

9.0 GUARANTEE E %)0!$+ 7M!+! 8 ( ))'%!= (# '' 1! - $+!!= *o )! %o= o* ;0o$+#( * o0 +#! = +! o* ( ))' . B%==! ( (# '' - $+!! +o !) % o

!)' "! +#! 0!+! ( $= 0!+! 1o9!( 7%* ( ))'%!=8, >#%"# ! *o $= +o 1! =!*!"+% !/ %$o)! +% ! + +#! +%0! o* %$(+ '' +%o$, o 1!"o0!%$o)! +% !/ =!*!"+% ! = %$- - $+!! )! %o=. R!)' "!0!$+( (# '' 1!!**!"+!= >%+#%$ 0o$+# o* !"!%)+ o* =!*!"+% ! 0 +! % '.T#! 1%==! (# '' !9+!$= +#! - $+!! o* ! (. Ho>! ! +#! 1 "

) 1 $ - $+!! ) o %=!= 1 +#! 1%==! ( (# '' 1! '%= *o 5 ! (o$'

11.0 FI@ING, CONNECTIONAND SAFETY EARTHINGARRANGEMENT

M $ * "+ ! (# '' !$( ! *o''o>%$- +!"#$%" ' )o%$+(%8 M!+! (# '' 1! ( %+ 1'! *o 0o $+%$- o$ M!+! Bo9 ( )!

()!"%*%" +%o$( o* +%'%+ .

$


14/22

A$$!9 !

App !"#$!%& '(!)* +%, (-*,- %+ $ !- -p*"!+!"#$!%& /A&&* (,* I

1+ The specification does not contain constructional details and methods of sealing of themeter .2'/ and the terminal si0es required for the Purchasers incomer cables+ Thesemay be added suitably as per the requirements of individual users+ uantities of metersrequired with 3 without meter .2'/! /ef+ lause 4+ of the specification) needs to be

specified in the Bill of uantities in the 5 T specifications+&+ The 5 T specification shall suitably incorporate the appropriate ualifying /equirements

as per lause % of the specification considering the quantity of meters intended to be procured+4+ The 5 T specifications shall also stipulate the specific name plate mar6ings required by the

Purchaser+"+ 7tility to indicate the modem requirements, specific modem type (inbuilt or e8ternal) and

required quantity in the tender document+


15/22


16/22

I&)!"#$! * %($ !&* (# !$ #--(,#&"* p #& +%, -$#$!" *&*, *$*, /A&&* (,* IIS .N%.

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20040715_final Draft -3 Phase Ht Consumer Meter-may 2005

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Transcript of 20040715_final Draft -3 Phase Ht Consumer Meter-may 2005