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Sensors - Position: Angular and Linear

Sensors - Position: Angular and Linear

Product catalog summary

Overview: The document provides technical specifications for the Vishay Sfernice Series REC 10 LH precision linear transducers, designed for mounting in hydraulic or pneumatic cylinders. These transducers feature a conductive plastic element and are part of an unsealed series with a diameter of 10 mm.

Features:

Available in a wide range of strokes from 25 mm to 500 mm.
High accuracy and repeatability with continuous resolution.
Easy to mount and RoHS compliant.

Electrical Specifications:

Theoretical Electrical Travel (TET) ranges from 25 mm to 500 mm in 25 mm increments.
Independent linearity options: ≤ ± 1 %, ≤ ± 0.1 %, ≤ ± 0.05 % for E ≥ 100 mm, and ≤ ± 0.025 % for E ≥ 200 mm.
Actual Electrical Travel (AET) is TET + 6 mm ± 0.5.
Total resistance is 150 Ω/cm with a tolerance of ± 20 % at 20 °C.
Repeatability is ≤ 0.01 %.
Maximum power rating is 0.05 W/cm at 70 °C, reducing to 0 W at 125 °C.
Wiper current is 1 mA max, with a recommendation of a few µA.
Load impedance is a minimum of 1000 times RT.
Insulation resistance is > 1000 MΩ at 500 VDC, and dielectric strength is > 300 VRMS at 50 Hz.

Mechanical Specifications:

Mechanical travel equals TET.
Body made of anodized aluminum with a rod internal diameter of 12 mm.
Typical operating force is 1 N.
Electrical outputs are wires with a length of 300 mm.
Oil used is insulating mineral hydraulic, withstanding 300 bars continuously and 1000 bars accidentally.
Wiper is made of precious metal multifinger.

Performance:

Life expectancy is 25 million cycles at 1 Hz and 20 °C ± 5 °C, using 80 % TET.
Temperature limits range from -20 °C to +80 °C.
Maximum speed at 20 °C is 1.5 m/s.

Dimensions: General tolerance is ± 1 mm, with specific measurements provided for various components.

Ordering Information: The ordering code includes series, model type, theoretical electrical travel, linearity, resistance, modifications, and lead finish.

Disclaimer: Vishay disclaims liability for errors or inaccuracies in the datasheet and does not guarantee product suitability for specific applications. Customers must validate product specifications for their applications.

Catalog excerpts

Sensors - Position: Angular and Linear-1

Precision Linear Transducers, Designed for Mounting in Hydraulic or Pneumatic Cylinder, Conductive Plastic Element (Unsealed Series/Ø 10 mm) Series REC 10 LH Vishay Sfernice www.vishay.com For technical questions, contact: [email protected] Document Number: 54020 54 Revision: 01-Feb-08 These unsealed sensors are suitable for installation in the high pressure chamber of cylinders. FEATURES • Large range of strokes from 25 to 500 mm • High accuracy • Very good repeatability • Continuous resolution • Easy mounting RoHS COMPLIANT ELECTRICAL SPECIFICATIONS Theoretical Electrical Travel (TET) = E From 25 mm to 500 mm in increments of 25 mm Independent Linearity (over TET) On Request ± 1 %; ± 0.1 % ± 0.05 % if E 100 mm ± 0.025 % if E 200 mm Actual Electrical Travel (AET) TET + 6 mm ± 0.5 Total Resistance RT 150 Ù/cm Resistance Tolerance at 20 °C ± 20 % Repeatability 0.01 % Maximum Power Rating 0.05 W/cm at 70 °C, 0 W at 125 °C Wiper Current 1 mA max. continuous, recommended: a few ìA Load Impedance 1000 times RT minimum Insulation Resistance > 1000 MÙ, 500 VDC Dielectric Strength > 300 VRMS at 50 Hz MECHANICAL SPECIFICATIONS Mechanical Travel (MT) MT = TET Body Anodized aluminum Rod Internal Diameter 10 LH: Ø 12 mm Operating Force 1 N typical Electrical Outputs Wires, L = 300 mm Oil Insulating mineral hydraulic Pressure 300 bars continuous, 1000 bars accidentally Wiper Precious metal multifinger PERFORMANCE Life 25 million cycles typical/1 Hz/T° = 20 °C ± 5 °C/80 % TET Temperature Limits - 20 °C to + 80 °C Speed at 20 °C 1.5 m/s max.

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Sensors - Position: Angular and Linear-2

Series REC 10 LH Precision Linear Transducers, Designed for Mounting in Hydraulic or Pneumatic Cylinder, Conductive Plastic Element (Unsealed Series/Ø 10 mm) Vishay Sfernice Document Number: 54020 For technical questions, contact: [email protected] www.vishay.com Revision: 01-Feb-08 55 General Tolerance: ± 1 mm DIMENSIONS in millimeters, general tolerance ± 1 mm G VIEW Ø 12 - 0.1 - 0.2 15.3 + 0.1 - 0.1 13.8 Ø 19 + 0.2 - 0 Ø 18 + 0.2 - 0 1.1+ 0.1 - 0 Ø 12 + 0.3 + 0.1 + 0.1 - 0.1 L = E + 51 MAX. 15.3 19.9 18.5 AET = TET + 6 ± 1.5 4.5 MT = E RESISTIVE TRACK 7 1.7 A A GREEN WIRE RED WIRE YELLOW WIRE...

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Sensors - Position: Angular and Linear-3

Document Number: 91000 www.vishay.com Revision: 11-Mar-11 1 Disclaimer Legal Disclaimer Notice Vishay ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE. Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other disclosure relating to any product. Vishay makes no warranty, representation or guarantee regarding...

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