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| 50 L, 34 L Vishay Sfernice Precision Linear Transducers, Conductive Plastic (REC) FEATURES * Measurement Range 25mm to 450mm * High accuracy 1% down to 0.025% * Essentially infinite resolution * Long life * Sealed on request The 50 L and 34 L are compact, accurate and adaptable motion transducers for both industrial and military markets. ELECTRICAL SPECIFICATIONS 50 L Theoretical electrical travel (TET = E) in increments of 25mm Independent linearity (over TET) on request Actual electrical travel (AET) Ohmic values (RT) Resistance tolerance at 20C Repeatability Maximum power rating Wiper current Load resistance Number of tracks Insulation resistance Dielectric Strength 1000M 500VRMS 50Hz 25mm 300mm 34 L 25mm 450mm 1% - 0.1% 0.05% for E 100mm 0.025% for E 200mm see table 1 400/cm to 2k/cm 20% 0.01% 0.05W/cm at 70C, 0W at 125C recommended: a few A - 1mA max. continuous minimum 103 x RT 1; on request 2 500VDC 750VRMS 50Hz MECHANICAL SPECIFICATIONS 50 L Mechanical travel Housing Operating force on request Shaft (free rotation) Termination on request Wiper Sealing TET + 2mm min. anodized aluminium 0.35N typical (standard model) 3 wires PTFE AWG-30 cable or connector IP65 on request 2.50N typical (sealed model) L = 300mm 34 L stainless steel precious metal multifinger PERFORMANCE Operating life Temperature range Sine vibration on 3 axes Mechanical shocks on 3 axes 50 million cycles typical - 55C + 125C 1.5mm peak to peak or 15g - 10 Hz - 2000Hz 50g - 11ms - half sine www.vishay.com 26 For technical questions, contact sfer@vishay.com Document Number: 54011 Revision 21-Dec-01 50 L, 34 L Precision Linear Transducers, Conductive Plastic (REC) STANDARD MODEL DIMENSIONS in millimeters, general tolerance 1mm 34 L OA Vishay Sfernice 50 L 0.5 Z O C 0.25 25.4 1 L Z 0.5 ELECTRICAL CONNECTIONS Terminals wire cable blue red white 3 Alim. (+): green 2 Wiper: TET = E AET MT 1 Alim. (-): red yellow Table 1 TET = E 25mm to 275mm 300mm to 450mm AET E + 1mm TOL. 0.5mm Table 2 DIMENSIONS Shaft Body E + 1mm 0.8mm Body Length oA oC L 50 L 34 L -0 -0 3.175 - 0.025 5 - 0.025 12.7 E + 41 7 19.05 E + 63 12 TET = Theoretical electrical travel AET = Actual electrical travel MT = Mechanical travel Tightening Zone Z ACCESSORIES ON REQUEST - DIMENSIONS in millimeters, general tolerance 3mm Clamp for 34L Vishay Reference: CQ00051 34 Clamp for 50L Vishay Reference: CQ00050 15 6.1 26 11 6.1 26 13 O9 11 0.3 11 0.3 9.5 19 O9 5.5 O 4.5 O 4.5 Document Number: 54011 Revision 21-Dec-01 For technical questions, contact sfer@vishay.com www.vishay.com 27 5.5 50 L, 34 L Vishay Sfernice Precision Linear Transducers, Conductive Plastic (REC) OPTIONS - DIMENSIONS in millimeters, general tolerance 1mm OPTION 1: SEALED (IP65) W03280 (34 L) W03242 (50 L) L 13 max. O 13 max Table 3 MODEL 34 L 50 L L TET + 83.5 TET + 70.5 OPTION 2: DELIVERED WITH CLAMPS AND BINDER CONNECTOR 680 34 L ... W05013 O 6.35 X 0.9 1/4-28 NEF-2A 2 23 11.4 Ajustable fixing max clearance A 34.5 X = TET + 70 10 O 3.9 11.1 on flats 6.35 on flats O 19.05 34.4 44.8 OPTION 3: SPRING LOADED SHAFT; OUTPUT BY SHIELDED CABLE W01744 (34 L) W01743 (50 L) O 13 max A L 13 max. Table 4 MODEL 34 L1 34 L2 34 L3 34 L4 50 L1 50 L2 50 L3 50 L4 A 61.4 93.6 125.8 158 70 116 162 208 L TET + 119.5 TET + 97.8 OPTION 4: DOUBLE BALL JOINT W03263 (34 L) W01565 (50 L) 34 L 50 L W X OV Y B L 15 Table 5 MODEL CODE 50 L W01565 L1 to L3 L4 to L6 34 L W03263 L1 to L5 L6 to L10 L11 to L12 B TET + 108.5 TET + 133.5 TET + 151.6 TET + 173.6 TET + 230 L TET + 57.5 TET + 82.5 TET + 82.8 TET + 104.8 TET + 161.2 oV 3 3 5 5 5 W 6 6 8 8 8 X 12 12 18 18 18 Y 30 30 42 42 42 2 2 2 2 2 TET 25 to 75 100 to 150 25 to 125 150 to 250 275 to 300 ORDERING INFORMATION REC SERIES 34 MODEL L NUMBER OF TRACKS L = 1 track LL = 2 tracks 3 THEORETICAL ELECTRICAL TRAVEL Times 25mm D LINEARITY 103 OHMIC VALUE First 2 digits are significant numbers 3rd digit indicates number of zeros W... MODIFICATIONS Special feature code number A: D: E: F: 1% 0.1% 0.05% 0.025% www.vishay.com 28 For technical questions, contact sfer@vishay.com Document Number: 54011 Revision 21-Dec-01 |
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