Model 21 www.vishay.com Vishay Spectrol 46.02 mm Diameter 15 Turn Dial FEATURES Round vernier scale 13 1 / dia. 16 1 1 / or / or 6 mm metric bore shaft adapter 4 8 Satin chrome finish with black markings Black chrome finish with white markings Brushed chrome finish with black markings QUICK REFERENCE DATA Material categorization: For definitions of compliance Sensor type DIALS please see www.vishay.com/doc 99912 Market appliance Industrial Dimensions 46 mm dia. MECHANICAL SPECIFICATIONS OPERATIONAL SPECIFICATIONS PARAMETER 1499 turns total The number in window (0 thru 14) Direct to shaft with 4 to 40 indicates completed number of turns of Mounting hex socket set screw located Readout and operation the drive sleeve. Graduated circular dial adjacent to no. 75 on graduated dial indicates the percent of the partial Numeral size: turn of the drive sleeve Counter wheel: 0.90 H x 0.013 W (2.29 cm x 0.33 cm) The number in center of window shall Graduated dial: 0.109 x 0.018 (2.77 cm x 0.46 cm) Transfer point change as graduated dial rotates between 94 and 0 Graduation size: 0.55 L (1.40 cm) Readout shall increase with clockwise Numeral and every Rotation and decrease with counterclockwise Fifth 0.035 L (0.89 cm) rotation Intermediate 0.012 (0.30 cm) Width Zero blacklash between graduated dial Accuracy and the drive sleeve Weight 3.0 max. (85.05) DIMENSIONS in inches (millimeters) COUNTING DIAL MOUNTING FACE BRAKE LEVER 1.094 R MAX. 0.015 5 (27.79) 22 DRIVE SLEEVE 1.000 5 (25.40) 46 TURNING KNOB 0.562 (14.27) 0.000 - 0.015 0.001 0.046 0.125 0.094 SET SCREW* 1.812 P (1.17) (3.18) (2.39) (46.02) 0.128 0.001 0.250 - 0.000 0.015 (3.25) 0.268 BASE (6.35) (6.81) GRADUATED DIAL 0.005 0.390 - 0.000 0.015 0.578 - 0.000 (9.91) *SET SCREW LOCATION AT (14.68) NO 75 ON DIAL FACE 0.031 0.922 (23.42) ORDERING INFORMATION/DESCRIPTION 21 A 11 B010 e MODEL SHAFT DIAMETER AND ACCOMODATION FINISH AND OTHER FEATURES PACKAGING LEAD FINISH 1 A / shaft (standard) 11. Satin chrome, black markings 4 B 6 mm metric bore shaft adapter 21. Black chrome, white markings 1 C / Shaft adapter 31. Brushed chrome, black markings 8 Example: 21 - A - 11 SAP PART NUMBERING GUIDELINES 21 A 11 B10 MODEL SHAFT DIAMETER FINISH PACKAGING Revision: 05-Jul-12 Document Number: 57088 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. 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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. Material Category Policy Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as RoHS-Compliant fulfill the definitions and restrictions defined under Directive 2011/65/EU of The European Parliament and of the Council of June 8, 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment (EEE) - recast, unless otherwise specified as non-compliant. Please note that some Vishay documentation may still make reference to RoHS Directive 2002/95/EC. We confirm that all the products identified as being compliant to Directive 2002/95/EC conform to Directive 2011/65/EU. Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as Halogen-Free follow Halogen-Free requirements as per JEDEC JS709A standards. Please note that some Vishay documentation may still make reference to the IEC 61249-2-21 definition. We confirm that all the products identified as being compliant to IEC 61249-2-21 conform to JEDEC JS709A standards. Revision: 02-Oct-12 Document Number: 91000 1