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 Theoretical electrical travel (TET = E) in increments of 25mm Independent linearity (over TET) on request 50 L 34 L 25mm 300mm 25mm 450mm ≤ ±1% - ≤ ± 0.1% ≤ ± 0.05% for E ≥ 100mm ≤ ± 0.025% for E ≥ 200mm Actual electrical travel (AET) see table 1 Ohmic values (RT) 400Ω/cm to 2kΩ/cm Resistance tolerance at 20°C ± 20% ≤ 0.01% Repeatability Maximum power rating Wiper current 0.05W/cm at 70°C, 0W at 125°C recommended: a few µA - 1mA max. continuous minimum 103 x RT Load resistance Number of tracks Insulation resistance Dielectric Strength 1; on request 2 ≥ 1000MΩ 500VDC ≥ 500VRMS 50Hz ≥ 750VRMS 50Hz 50 L 34 L MECHANICAL SPECIFICATIONS 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) 2.50N typical (sealed model) stainless steel 3 wires PTFE AWG-30 cable or connector L = 300mm precious metal multifinger IP65 on request PERFORMANCE Operating life Temperature range Sine vibration on 3 axes Mechanical shocks on 3 axes www.vishay.com 26 50 million cycles typical - 55°C + 125°C 1.5mm peak to peak or 15g - 10 Hz - 2000Hz 50g - 11ms - half sine Document Number: 54011 Revision 21-Dec-01 50 L, 34 L Vishay Sfernice Precision Linear Transducers, Conductive Plastic (REC) STANDARD MODEL DIMENSIONS in millimeters, general tolerance ± 1mm 34 L 50 L ØA 0.5 0.5 Z Ø C ± 0.25 25.4 ± 1 L Table 1 ELECTRICAL CONNECTIONS Terminals wire 2 Wiper: 1 Alim. (-): AET MT Table 2 cable 3 Alim. (+): green TET = E Z TET = E blue red red yellow white TET = Theoretical electrical travel AET = Actual electrical travel MT = Mechanical travel AET TOL. 25mm to 275mm E + 1mm ± 0.5mm 300mm to 450mm E + 1mm ± 0.8mm DIMENSIONS 50 L 34 L Shaft øA Body øC 12.7 19.05 L E + 41 E + 63 7 12 Body Length -0 -0 3.175 - 0.025 5 - 0.025 Tightening Zone Z ACCESSORIES ON REQUEST - DIMENSIONS in millimeters, general tolerance ± 3mm Clamp for 50L Vishay Reference: CQ00050 Clamp for 34L Vishay Reference: CQ00051 34 26 15 6.1 11 9.5 13 19 26 6.1 Ø 4.5 Document Number: 54011 Revision 21-Dec-01 5.5 11 ± 0.3 Ø9 5.5 11 ± 0.3 Ø9 Ø 4.5 www.vishay.com 27 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) Ø 13 max L 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 11.1 on flats 6.35 on flats Ø 6.35 X 0.9 1/4-28 NEF-2A Ø 19.05 2 34.4 44.8 23 11.4 Ajustable fixing max clearance A Ø 3.9 34.5 X = TET + 70 10 OPTION 3: SPRING LOADED SHAFT; OUTPUT BY SHIELDED CABLE W01744 (34 L) W01743 (50 L) Ø 13 max A 13 max. L 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 X W 50 L 15 ØV Y L B 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 øV 3 3 5 5 5 W 6 6 8 8 8 X 12 12 18 18 18 Y 30 ± 2 30 ± 2 42 ± 2 42 ± 2 42 ± 2 TET 25 to 75 100 to 150 25 to 125 150 to 250 275 to 300 ORDERING INFORMATION REC 34 L SERIES MODEL NUMBER OF TRACKS THEORETICAL ELECTRICAL TRAVEL L = 1 track LL = 2 tracks Times 25mm www.vishay.com 28 D 103 W... LINEARITY OHMIC VALUE MODIFICATIONS 3 A: D: E: F: ±1% ± 0.1% ± 0.05% ± 0.025% First 2 digits are significant numbers 3rd digit indicates number of zeros Special feature code number Document Number: 54011 Revision 21-Dec-01