9 pr ofes sion A l 5000 pr ofes sion A l 3000 pr ofes sion A l 1000 gdf 121 gdf 122 T he h ys t er e sis o f the Pr o f e ssio nal 3000 Ser ie s tr ib r achs amoun ts t o a maximum o f 3 10 mgo n T he f o o t s cr ews ar e main t e nanc ef r ee and hav e a lar ger diame t er T his allows f o r fne adjus tmen ts e v en when we ar ing wo r k g lov e s under diffcult envir o nmen tal c o nditio ns T he s e tr ib r achs ar e suitable f o r no nmo t o r is ed T PS ins tr umen ts with ang le ac cur acy f r o m 5 t o 7 and G NS S an t enna s ta tio ns as well as back sig h ts and c o n tr ol p oin ts gdf 111 1 gdf 112 gdf 101 gdf 102 T ranspar en t Choice T he ide al tr ib r ach f o r y our ap plica tio n A ll o r ig inal tr ib r achs c o mpl y with the s tr ic t sp ecifca tio ns and quality s tandar ds o f Leica G eosys t ems Y our choic e should ide all y b e made ac c o r ding t o y our individual ac cur acy r equir emen ts T h e to rsional ri gidity o f th e o ri ginal T he ac cur acy with which a tr ib r ach r e tur ns t o its s tar ting p ositio n o nc e the ins t r umen t has s t o p p ed is called t o r sio nal r ig idity o r h ys t er e sis T his h ys t er e sis is the r ela tiv e mov emen t b e tween the t o p pla t e and the bas e pla t e o f a tr ib r ach tha t o c cur s thr oug h the r o ta tio n o f a T PS ins tr umen t T he h ys t er e sis has dir ec t infuenc e o n the angular ac cur acy o f the ins tr umen t and tha t sp e ak s f o r the o r ig inal T o o p timis e the h ys t er e sis as Leica G eosys t ems has do ne is c o mplex and calls f o r the hig he s t p r ecisio n a mov emen t o f the up p er pla t e t o the lower pla t e o f 03m c o r r e sp o nds t o an ang le er r o r o f 1 E sp eciall y mo t o r is ed ins tr umen ts with their hig h ac c eler a tio n and b r ak e p ower r equir e tr ib r achs with v er y hig h t o r sio nal r ig idity 9 T he h ys t er e sis o f the Pr o f e ssio nal 5000 Ser ie s tr ib r achs is guar an t eed t o a maximum o f 1 03 mgo n o r b e t t er T he f o o t s cr ews ar e main t e nanc ef r ee and ensur e a mov e men t tha t is smo o th and f r ee o f pla y e v en in the mos t s e v er e envir o nmen tal c o nditio ns T he tr ib r achs in this s er ie s ar e r ec o mmended f o r all task s tha t r equir e ang le me asur emen ts o f under 3 Due t o the minimal h ys t er e sis we r ec o mmend us e o f the Pr o f e ssio nal 5000 Ser ie s f o r all mo t o r is ed ins tr umen ts T he h ys t er e sis o f the Pr o f e ssio nal 1000 Ser ie s tr ib r achs amoun ts t o a maximum o f 5 15 mgo n T he G D F is a c os t e f f ec tiv e tr ib r ach which p r ov e s its elf in us e under no rmal envir o nmen tal c o nditio ns T he s e tr ib r achs ar e suitable f o r no nmo t o r is ed T PS ins tr umen ts with ang le ac cur acy o f 7 and sing le f r equency G NS S an t enna s ta tio ns