Series KIT LMF www.vishay.com Vishay Sfernice Conductive Plastic Motion Transducer Elements (KIT), up to 1000 mm FEATURES Measurement range 25 mm to 1000 mm High accuracy 1 % down to 0.025 % Good repeatability Simple and flexible mounting Essentially infinite resolution Made in two separate parts: - the sensing element - the wiper Special designs available on request Material categorization: For definitions of compliance The LMF is a reduced bulk, precision motion transducer, please see www.vishay.com/doc 99912 designed for easy integration into equipment. QUICK REFERENCE DATA Sensor type LINEAR, conductive plastic Output type Solder pads Market appliance Industrial Dimensions L x 15 mm x 1.6 mm (with L = TET + 18 mm) ELECTRICAL SPECIFICATIONS Theoretical electrical angle (TEA = E) From 25 mm to 1000 mm in increments of 25 mm Independent linearity (over TET) 1 % 0.1 % On request 0.05 % for E 100 mm 0.025 % for E 200 mm Actual electrical travel (AET) AET = TET + 2 mm Ohmic value From 400 /cm to 2 k /cm Resistance tolerance at 20 C 20 % Repeatability 0.01 % Maximum power rating 0.05 W/cm at 40 C 0 W at 85 C Wiper current Recommended: a few A - 1 mA max. (continuous) 3 Load resistance Minimum 10 x R T Insulation resistance 1000 M , 500 V DC Dielectric strength 750 V , 50 Hz RMS MECHANICAL SPECIFICATIONS Support of element Fiberglass epoxy On request Plastic moulding Wiper (non insulated) Precious metal multifinger On request Insulated Terminals Soldering pads On request By wires Fixing Glued: Double face Isotac On request Screwed: Holes in the support PERFORMANCE Operating life 25 million cycles typical/1 Hz/T = 20 C 5 C/80 % TET Temperature range - 55 C to + 125 C Revision: 17-Sep-12 Document Number: 54009 1 For technical questions, contact: sferprecisionpot vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc 91000Series KIT LMF www.vishay.com Vishay Sfernice DIMENSIONS in millimeters, general tolerance 0.2 mm 0.3 STANDARD MODEL: LMF...W02851 0.2 1.6 5.8 WORKING POSITION L = TET + 18 MAX. WIPER TRAVELS COLLECTOR TRACK 2 2.4 SOLDERING PADS 13 15 8 7 5.2 2 3.5 2.4 6.35 RESISTIVE TRACK 1 TET = E 11.15 SILVER AREA SILVER AREA 12.2 AET = TET + 2 10 0.5 EXAMPLES OF SPECIAL DESIGNS ORDERING INFORMATION/DESCRIPTION KIT LM F 3 D 103 W... e. SERIES MODEL CONDUCTOR THEORETICAL LINEARITY OHMIC VALUE MODIFICATIONS LEAD FINISH ELECTRICAL TRAVEL F: Plastic Times 25 mm A: 1 % First 2 digits are Special feature S: Serigraphy D: 0.1 % significant numbers code number E: 0.05 % 3rd digit indicates F: 0.025 % number of zeros SAP PART NUMBERING GUIDELINES LMF 3 D 103 W.... MODEL TET LINEARITY OHMIC VALUE SPECIAL FEATURES Revision: 17-Sep-12 Document Number: 54009 2 For technical questions, contact: sferprecisionpot vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc 91000