model 28 www.vishay.com vishay spectrol revision: 10-jul-12 1 document number: 57082 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 28 mm diameter twenty-one turn dial features ? laser machined markings (e.g. logo) per customer design ? shaft bore variations available ? special mounting spacers ? material categorization: for definitions of compliance please see www.vishay.com/doc?99912 dimensions in millimeters (inches) quick reference data sensor type dials market appliance industrial dimensions 28 mm diameter technical specifications readout and operation 21 turns total the number in the window (0 thru 20) indicates the percent of a partial turn of the drive sleeve brake lever metal brake operates a high torque system which actuates brake mechanical specifications parameter temperature range - 20 c to + 50 c operating torque 0.75 oz. - in max. weight 23 g housing metal housing treated against corrosion finish aluminum anodized bearing precision ball bearing for uniform movement marking unit identification manufacturers name and model number rohs compliant ordering information/description 28 a 11 bo8 e model shaft diameter finish packaging lead finish a 1 / 4 " dia. shaft - 1 set screw b 6 mm metric bore - 1 set screw c 1 / 8 " dia. shaft - 1 set screw 11. clear satin anodized housing, black rotor, white markings 21. black anodized housing, black rotor, white markings example: 28 - a - 11 sap part numbering guidelines 28 a 11 b08 model shaft diameter finish packaging anodised aluminum finish mounting spacer black anodised rotor 25.4 mm. (1.0") ? 28.0 mm (1.10") ? 6.35 mm (0.250") ? max. 16.0 mm max. 6.75 mm pots panel max. 24.3 mm min. 16.5 mm
legal disclaimer notice www.vishay.com vishay revision: 02-oct-12 1 document number: 91000 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 employee s, and all persons acting on it s or their behalf (collectivel y, vishay), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any o ther disclosure relating to any product. vishay makes no warranty, repres entation or guarantee regarding the suitabilit y of the products for any particular purpose or the continuing production of any product. to the maximum extent permitted by applicable law, vi shay disclaims (i) any and all liability arising out of the application or use of any product, (ii) any and all liability, including without limitation specia l, consequential or incidental damages, and (iii) any and all i mplied warranties, including warra nties of fitness for particular purpose, non-infringement and merchantability. statements regarding the suitability of products for certain type s 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 responsib ility to validate that a particu lar product with the properties descri bed in the product specification is suitable fo r use in a particular application. parameters provided in datasheets and/or specification s may vary in different applications an d performance may vary over time. all operating parameters, including typical pa rameters, must be validated for each customer application by the customers technical experts. product specifications do not expand or otherwise modify vish ays terms and condit ions of purchase, including but not limited to the warranty expressed therein. except as expressly indicate d 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 vi shay 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. pleas e contact authorized vishay personnel to ob tain written terms and conditions regarding products designed for such applications. no license, express or implied, by estoppel or otherwise, to any intellectual prope rty rights is granted by this document or by any conduct of vishay. product names and markings noted herein may be trad emarks of their respective owners. material category policy vishay intertechnology, inc. hereby certi fies that all its products that are id entified as rohs-compliant fulfill the definitions and restrictions defined under directive 2011/65/eu of the euro pean 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 otherwis e 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 certifi es that all its products that are identified as ha logen-free follow halogen-free requirements as per jedec js709a stan dards. please note that some vishay documentation may still make reference to the iec 61249-2-21 definition. we co nfirm that all the products identified as being compliant to iec 61249-2-21 conform to jedec js709a standards.
|
