GMP. Strand Tensionmeter Operation and Maintenance Manual. P/N Date:071017

Transcription

1 GMP Strad Timtr Oprati ad Maitac Maual 1 P/N Dat:071017

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3 Tabl f ctt Gral Gral 3 Prcauti 5 Calibrati Chart 6 Tmpratur Cmpati Chart 8 Dial 16 Uig th Timtr 16 Accry Saddl 18 R-calibrati 19 A itiv tudy by th Natial Elctric Safty Cd Clarac Subcmmitt ha rultd i a cmpltly w "Uifrm Sytm f Clarac" adptd i th 1990 ad ubqut diti f th NESC. Thi rvii plac rwd mphai utiliti' practic fr girig ad trigig f arial cabl t maitai prpr cabl clarac udr th variu pcifid cditi. Th ability t accuratly maur trad ti i th fild i tial fr cmpliac with th cd. Th GMP Strad Timtr, al calld a B Strad Dyammtr, i a prcii itrumt digd t maur th ti f crtai pcific zic-catd guy wir ad mgr cabl pr ASTM A-475. Th pcific iz ad typ() f cabl() with which thi uit i cmpatibl ar litd i th calibrati chart which ha b prpard fr thi pcific rial umbrd timtr ad which bar that idtical rial umbr. 3

4 Th fllwig lit hw th variu iz, typ ad digati f mgr cabl fr which th tl ca b calibratd: Nmial Diamtr Ich mm Digati Dcripti 1/ M 1 X 7 EHS 5/ M 1 X 7 Utility Grad 5/ M 1 X 7 EHS 3/ M 1 X 7 Utility Grad 7/ M 1 X 7 EHS 7/ M 1 X 7 Utility Grad T btai a accurat maurmt it i imprativ that th trad t b maurd b pitivly idtifid a t it actual diamtr ad it grad, ithr Utiliti Grad r Extra-High Strgth. Scdly, th Strad Timtr t b ud mut hav a currt calibrati chart with a crrpdig rial umbr which ha a calibrati fr th pcific trad yu hav idtifid. Th Timtr maur th frc rquird t dflct th trad t a ut-f-li piti ad rgitr th amut f frc rquird th itgral dial. Th actual trad ti i th dtrmid by rfrrig t th calibrati chart pcifically prpard fr ad furihd with ach Timtr, which cvrt th dial idicatr radig it th actual ti valu. Th itrumt maur ti i pud frc t withi a accuracy f thr prct (± 3%) r ± 150 pud, whichvr i gratr. 4

5 Th Timtr i primarily mad frm icklplatd tl ad i furihd i a hard hll platic carryig ca; th itrir i cuhid with fam fr uit prtcti. Each Timtr ha a rgitrd rial umbr tampd th uit. Prcauti D t maur ti f 1/2" diamtr trad with th cabl i plac; th ti valu uually xcd 10,000 pud. D t drp r jar th Timtr. Rai ad lwr th itrumt with a had li. Kp th dvic away frm dirt, gra, ad r watr. Kp frig matrial frm damagig th dial r plugr. Maitai th uit i th carryig ca whvr pibl. Mak crtai that th crrct calibrati chart i alway kpt i th carryig ca. U th Timtr ly trad typ ad iz hw th calibrati chart. D t u thi dvic trad tiig applicati xcdig 10,000 pud. 5

6 Calibrati Chart Icludd with ach Timtr i a calibrati chart rgitrd udr th am rial umbr a th Timtr. Thi chart i t b ud fr itrprtig th radig fr that pcific itrumt ly. N thr chart huld b ud. N thr typ f trad huld b ud. Th tabl acr th tp f th chart lit th cmmly ud trad iz fr which th Timtr wa calibratd, a wll a th hadl piti fr ach typ f trad. Th data i th chart idicat th dial radig f th Timtr crrpdig t th amut f trad ti i 100 pud icrmt fr th rmal ti rag f ach trad iz. Th chart idicat th dat wh th iitial calibrati wa mad. If th chart i lt, th Timtr mut b rturd fr r-calibrati. Tmpratur Cmpati Chart Strad ti i affctd by ambit tmpratur. Grally pakig, trad ti icra a tmpratur dcra du t th trad ctracti ad, cvrly, trad ti dcra a tmpratur ri, du t xpai. Th Strad Timtr will maur th actual ti at th ambit tmpratur at th tim f th maurmt. Yu huld cult with th Outid Plat Faciliti Egir a t th prpr trad ti fr th ambit tmpratur at th tim f maurmt. 6

7 Tmpratur Cmpati Chart (ctiud) Li chart ar prvidd i th itructi i rdr fr th ur t dtrmi hw t cmpat fr chag i ambit tmpratur. Th chart ar drivd frm th rcmmdd valu xprd i th rfrcd idutry tadard practic. Thy ar t itdd t uprd ay ti calculati which might b prvidd t th ur by th utility' plat girig dpartmt. Fr xampl, aum that th girig pcificati fr tiig a crtai 300 ft. pa f 1/4" Extra-High Strgth trad (i.. Bll Sytm 6.6M) call fr th trad t b at 600 lb. at 60 dgr F. Wh yu ar at th wrk it, yur thrmmtr idicat a ambit tmpratur f 86 dgr. Rfrrig t th Tmpratur Cmpati Chart fr that pcific trad, yu will thr li. Fid th which crrpd t pa ft. Ntic that 600 pud th vrtical axi crrpd t 60 dgr th hriztal axi. Nw ctiu right alg th hriztal axi t 86 dgr. With a traight dg, fllw frm that pit vrtically util yu itrct with th ft. li. 86 dgr crrpd t jut vr 500 pud. That i th trad ti cmpatd fr 86 dgr ambit. O th Timtr Calibrati Chart fr 1/4" EHS, lcat 500 Ib. ad cvrt t th dial idicatr radig. That i th dial idicatr umbr t ht fr wh tiig thi particular trad. A aalg thrmmtr i prvidd i ach Strad Timtr trag ca fr th purp f accuratly dtrmiig th ambit tmpratur at th tim f th maurmt. B ur t hld th thrmmtr by th dial ad t by th ig tm ad t allw at lat tw miut fr th thrmmtr t tabiliz itlf. 7

8 1/4 Extra High Strgth Tmpratur Cmpati Chart Pr BSP i r c F d u P i T Tmpratur F SPANS < 250' SPANS ' SPANS >450' 8

9 1/4 Extra High Strgth Tmpratur Cmpati Chart Pr GTEP i r c 1200 F d u 1150 P i T Tmpratur F SPANS < 250' SPANS ' SPANS >450' 9

10 5/16 Extra High Strgth Tmpratur Cmpati Chart Pr GTEP i c2200 r F d u P2100 i T T mpratur F SPANS <400 SPANS >400 10

11 7/16 Extra-High Strgth Tmpratur Cmpati Chart Pr GTEP i rc F d u P i T Tmpratur F ALL SPANS 11

12 5/16 Utiliti Grad Tmpratur Cmpati Chart Pr BSP i r c F d u P 1200 i T Tmpratur F SPANS < 250' SPANS ' SPANS >450' 12

13 3/8 Utiliti Grad Tmpratur Cmpati Chart Pr BSP i r c 2300 F d u P 2200 i T Tmpratur F SPANS <400 SPANS >400 13

14 7/16 Utiliti Grad Tmpratur Cmpati Chart Pr BSP i r c F d 3800 u P 3600 T Tmpratur F ALL SPANS 14

15 1/2 Utiliti Grad Tmpratur Cmpati Chart Pr BSP i r c 8400 F d u8200 P 8000 T Tmpratur F ALL SPANS 15

16 Dial Th calibratd dial rad 0 t 100. Th majrity f rcrdd maurmt will b withi thi rag ad ar radjut a th graduati appar th dial. Hwvr, high lad maurmt, it i pibl fr th dl t mak cmplt rvluti pat zr. Fr th radig, it i cary t add 100 t th graduati idicatd by th dl. Uig th Timtr Accurat trad ti maurmt rquir that a cti f trad b at lat twty ft lg ad fr frm damag r crri. If cabl i i plac, rmv rig r cabl upprt r u-lah ufficitly t btai abut tw ft f ubtructd trad. Supd th itrumt th trad by th hk lcatd at ach d f th ti bar with th hadl prjctig dwward. With th uit i piti, alway chck t mak crtai that th dial idicatr rad zr. If th dial idicatr d t rad zr, l th lttd crw lcatd i th dial hrud. Rtat th dial lightly util th dial idicatr rad zr ad rtight th crw. A a altrat t "r-zrig" th uit ach tim th italld piti f th Timtr i chagd, plac th uit i th piti i which it i t b ud ad t th umbr f graduati abv r blw th zr mark. Oc th Timtr i italld ad t, add r ubtract th graduati t/frm th dial radig bfr rfrrig t th chart. 16

17 Uig th Timtr (ctiud) Lcat th clum th calibrati chart fr th grad ad diamtr f trad t b ttd ad t th crrct hadl piti. (A atrik algid f th hadl piti umbr ma that th accry addl mut b ud.* S th xt cti titld Accry Saddl bfr prcdig.) Pull th hadl dw util th bttm dg f th cam plugr mv upward ad tp at th crrct piti umbrd th cam ca. Th trad will b dflctd btw th upi hk wh th hadl gag it th dtt at th crrct umbrd piti. Rad ad rcrd th dial idicatr umbr. IMPORTANT: Th calibratd dial rad 0 t 100. Th majrity f rcrdd maurmt will b withi thi rag ad ar rad xactly a th umbr appar th dial. O high lad maurmt, hwvr, it i pibl fr th dl t mak cmplt rvluti pat zr. Fr th radig, it i cary t add 100 t th umbr idicatd by th dl. Tak tw additial radig mvig th Timtr apprximatly 1/4" alg th trad fr ach radig. Rad ad rcrd ach dial idicatr umbr. Dicard th high ad lw radig ad u ly th itrmdiat radig a th crrct valu. Rfr t th calibrati chart udr th pcific trad diamtr ad lcat th dial radig clt t th brvd radig. Mv t th lft clum hwig th crrpdig amut f ti i pud frc. * crtai ldr dig uit 17

18 Accry Saddl Crtai Strad Timtr maufacturd ad ld btw Ja ad July 1992 had cam plugr f a diffrt dig tha ithr th AT&T uit which prcdd thm r th currt GMP dig which fllw thm. Th uit bar rial umbr i th rag tampd th hadl. Wh chckig th ti 1/4, 5/16 r 3/8 diamtr trad, a part calld th accry addl blck mut b ud t achiv dial idicatr mvmt ad a crrct ti radig. Thi accry addl blck i a rctagular tl blck which mut tp f th cam plugr ad i hld i plac by tw 7/16" had hx crw. Th calibrati chart furihd with th uit hav a atrik (*) algid th hadl piti umbr fr th trad iz whr th accry addl mut b ud. A hadl piti umbr with atrik ma that th accry addl mut t b ud. Th accry addl appli ly t th uit dcribd abv ad d t apply t AT&T uit, r d it apply t GMP uit with 5 digit rial umbr. 18

19 Rcalibrati T maitai ptimum rvic, th Timtr huld b r-calibratd pridically. With mdrat t havy u, a calibrati chck huld b prfrmd vry yar. Th iitial calibrati dat i hw ach calibrati chart. N attmpt huld b mad t diambl, rpair r rcalibrat i th fild. If a uit i t rpdig t rmal u, it huld b placd i th carryig ca with th calibrati chart ad rturd t Gral Machi Prduct (KT), LLC fr rvic. Pla upply a ctact am, addr, ph umbr ad a ra fr rtur. Calibrati Dat 19

20 Gral Machi Prduct (KT), LLC 3111 Old Licl Highway Trv, PA USA TEL: FAX: WEB: GMP rrv th right, withut tic, t mak chag i quipmt dig r cmpt a prgr i girig r maufacturig mthd may warrat. All ctt 2017 GMP 20