the 139 l is a robust industrial linear motion transducer with a side actua- tion, ideally suited for applications with very long travels. l measurement range 25 mm to 3000 mm l long life l high accuracy 1 % down to 0,025 % l excellent repeatability l essentially infinite resolution l simple mounting l actuation tolerant to some misalignment l reduced bulk mil-r 39023 nf c 93-255 precision linear transducer C conductive plastic 139 l data sheet e 5.674 - 10497 electrical specifications theoretical electrical travel from 25 mm to 3000 mm travel (tet = e) in increments of 25 mm on request up to 6000 mm independent linearity 1 % - 0,1 % (over tet) on request 0,05 % for e 3 100 mm 0,025 % for e 3 200 mm actual electrical travel (aet) aet = e + 1,5 mm min. ohmic value (r t ) 400 /cm to 2 k /cm resistance tolerance at 20c 20% repeatability 0,01 % maximum power rating 0,04 w/cm at 70c 0 w at 125c wiper current recommended : a few a 1 ma max. continuous load resistance minimum 10 3 x r t insulation resistance 3 1000 m 500 vdc dielectric strength 3 1000 v rms 50 hz mechanical specifications mechanical travel (mt) mt = e + 7 mm min. housing anodized aluminium operating force 2,5 n typical coupling self alignment termination hydraulic type connector din 43650 wiper precious metal multifinger sealed to ip53 mounting movable brackets performances operating life 100 millions cycles typical temperature range C55c +125c sine vibration on 3 axes 1,5 mm peak to peak or 15 g - 10 hz - 2000 hz mechanical shocks on 3 axes 50 g - 11 ms - half sine speed (m/s) 10 max. series rec model 139 number of tracks l l = 1 theoretical electrical travel 43 times 25 mm linearity d a : 1 % d : 0,1 % e : 0,05% f : 0,025% ohmic value 103 first 2 digits are significant numbers 3rd digit indicates number of zeros modifications w... special feature code number ordering procedure rec
electrical connections pin 3 : + pin 2 : wiper pin 1 : C tet = theoretical electrical travel aet = actual electrical travel mt = mechanical travel size aet mt l l1a l20 e +1,5 min. e + 7 min. e +158 max. l 21a l40 e +1,5 min. e +11 min. e +163 max. l41a l120 e + 1,5 min. e +15 min. e +169 max. table 1 139 l general tolerance 1 mm dimensions in mm 48 max. 36 max. movable brackets l 12 3 26 m 5 angular clearance 10 31.5 51.7 36 ? 5.2 50 67 61 max. mt aet 90 26.5 1 18 +2 C0 1 +4 C0 vishay s.a. international department 199, boulevard de la madeleine b.p. 1159 f 06003 nice cedex 1 tel. : (33) 04 93 37 27 27 fax. : (33) 04 93 37 27 26
|
