www.ams.com revision 1.1 / 02/04/13 page 1 / 4 magnet specification as5000 - ma4x2h - 1 1. general description the as5000 - 4x2h - 1 is an axial magnet used with the as5510 linear encoder, in order to measure small linear displacements. the magnet is mounted on the top of the as5510. the airgap depends on the desired resolution and displacement range for the end application. material: ndfeb sintered magnet, ni - coated 2. dimensional specification (mm) 3. magnet ic specification type min. nominal unit material ndfeb sintered, ni - coated - property grade bmn - 35h - remanence br 1.17 1.21 t coercive force hcb 860 907 ka/m intrinsic coercive force hcj 1353 - ka/m max energy product (bh) max. 263 279 kj/m3 working temperature - 120 c density 7.5 g/cm3 4 0 . 0 5 d i m e n s i o n s i n m i l l i m e t e r s s u r f a c e f i n i s h : 1 . 6 m 2 0 . 0 5 1 0 . 0 5
www.ams.com revision 1.1 / 02/04/13 page 2 / 4 4. magnetic field representation below in figure 1 , an illustration of the magnet and the as5510 is shown. the curve plot below the sensor chip shows the ideal linear range of the magnet seen by the as5510. additionally, a magnet scan of this arrangement can be found in figure 2 for further reference. figure 1 : linear position sensor as5510 + magnet figure 2 : linear position sensor as5510 + magnet b m a x 0 l i n e a r r a n g e b m a g n e t i c f i e l d o n a s 5 5 1 0 x o f f s e t ( h o r i z o n t a l m a g n e t p o s i t i o n , c e n t e r o f a s 5 5 1 0 ) - x m a x + x m a x - b m a x n s a s 5 5 1 0 a i r g a p -80 -75 -70 -65 -60 -55 -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 -3900 -3700 -3500 -3300 -3100 -2900 -2700 -2500 -2300 -2100 -1900 -1700 -1500 -1300 -1100 -900 -700 -500 -300 -100 100 300 500 700 900 1100 1300 1500 1700 1900 2100 2300 2500 2700 2900 3100 3300 3500 airgap 500um airgap 750um airgap 1000um airgap 1250um airgap 1500um airgap 1750um airgap 2000um
www.ams.com revision 1.1 / 02/04/13 page 3 / 4 5. magnet supplier information the magnet supplier for this magnet is bomatec ag. additional i nformation is available online and the contact information is listed in the following. bomatec ag hofstrasse 1 ch - 8181 h?ri, switzerland phone: +41 - 44 - 872 10 00 fax: +41 - 44 - 872 10 01 e - mail: contact@bomatec.ch http://www.bomatec.ch/
www.ams.com revision 1.1 / 02/04/13 page 4 / 4 copyrights copyright ? 201 3 , ams ag, schloss premstaetten, 8141 unterpremstaetten, austria - europe. trademarks registered ?. all rights reserved. the material herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. all products and companies mentioned are trademarks or registered trademarks of their respective companies. disclaimer devices sold by ams ag are covered by the warranty and patent indemnification provisions appearing in its term of sale. ams ag makes no warranty, express, statutory, implied, or by description regarding the information set forth herein or regarding the freedom of the described devices from patent infringement. ams ag reserves the right to change specifications and prices at an y time and without notice. therefore, prior to designing this product into a system, it is necessary to check with ams ag for current information. this product is intended for use in normal commercial applications. applications requiring extended temperatu re range, unusual environmental requirements, or high reliability applications, such as military, medical life - support or life - sustaining equipment are specifically not recommended without additional processing by ams ag for each application. the informat ion furnished here by ams ag is believed to be correct and accurate. however, ams ag shall not be liable to recipient or any third party for any damages, including but not limited to personal injury, property damage, loss of profits, loss of use, interrupt ion of business or indirect, special, incidental or consequential damages, of any kind, in connection with or arising out of the furnishing, performance or use of the technical data herein. no obligation or liability to recipient or any third party shall a rise or flow out of ams ag rendering of technical or other services. contact information headquarters ams ag a - 8141 schloss premstaetten, austria tel: +43 3136 500 32110 email: info@ams.com for sales offices, distributors and representatives, please visit: http://www. ams .com/contact
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