Model 28 www.vishay.com Vishay Spectrol 28 mm Diameter Twenty-One Turn Dial FEATURES Laser machined markings (e.g. logo) per customer design RoHS COMPLIANT Shaft bore variations available Special mounting spacers Material categorization: For definitions of compliance please see www.vishay.com/doc 99912 MECHANICAL SPECIFICATIONS QUICK REFERENCE DATA PARAMETER Sensor type DIALS Temperature range - 20 C to + 50 C Market appliance Industrial Dimensions 28 mm diameter Operating torque 0.75 oz. - in max. Weight 23 g TECHNICAL SPECIFICATIONS Metal housing treated Housing 21 turns total against corrosion The number in the window (0 thru 20) Finish Aluminum anodized Readout and operation indicates the percent of a partial turn Precision ball bearing for of the drive sleeve Bearing uniform movement Metal brake operates a Brake lever high torque system which actuates MARKING brake Manufacturers name Unit identification and model number DIMENSIONS in millimeters (inches) MAX. 24.3 mm MIN. 16.5 mm BLACK ANODISED ROTOR PANEL 25.4 mm. (1.0 ) 6.35 mm (0.250 ) MAX. POTS 16.0 mm 28.0 mm (1.10 ) MAX. 6.75 mm MOUNTING SPACER ANODISED ALUMINUM FINISH ORDERING INFORMATION/DESCRIPTION 28 A 11 BO8 e LEAD MODEL SHAFT DIAMETER FINISH PACKAGING FINISH 11. Clear satin anodized housing, 1 A / dia. shaft - 1 set screw 4 black rotor, white markings B 6 mm metric bore - 1 set screw 21. Black anodized housing, 1 C / dia. shaft - 1 set screw 8 black rotor, white markings Example: 28 - A - 11 SAP PART NUMBERING GUIDELINES 28 A 11 B08 MODEL SHAFT DIAMETER FINISH PACKAGING Revision: 10-Jul-12 Document Number: 57082 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 91000Legal Disclaimer Notice www.vishay.com Vishay Disclaimer 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 the suitability of the products for any particular purpose or the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special, consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular purpose, non-infringement and merchantability. Statements regarding the suitability of products for certain types of applications are based on Vishays knowledge of typical requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements about the suitability of products for a particular application. It is the customers responsibility to validate that a particular product with the properties described in the product specification is suitable for use in a particular application. Parameters provided in datasheets and / or specifications may vary in different applications and performance may vary over time. All operating parameters, including typical parameters, must be validated for each customer application by the customers technical experts. Product specifications do not expand or otherwise modify Vishays terms and conditions of purchase, including but not limited to the warranty expressed therein. Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining applications or for any other application in which the failure of the Vishay product could result in personal injury or death. Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk. Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners. 2017 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED Revision: 08-Feb-17 Document Number: 91000 1