BA651 strain gage amplifier in din rail mount housing description the BA651 is a instrumentation amplifier in rail mount housing according to din 50022-35. it is designed to provide a low drift signal conditioning for full bridge strain gage sensors. the 10v analog output is fully bi-directional. a internal voltage reference provides the excitation for a 350 ohms sensor. an optional version to connect up to four parallel 350 ohms sensors is available. the BA651 requires a basic 19 to 28 vdc power supply. the zero and span adjustment is performed by a zero and span potentiometer with a wide adjustment range. ba 651 features: ? bi-directional output (voltage version only) ? 19 to 28 vdc power ? wide range span adjustment ? wide range zero adjustment ? din-rail mount
specifications power supply vdc 24v (19 to 28v) accuracy class at 2mv/v % 0,1 potentiometer adjustment range (approx.) - span mv/v mv/v 0,5 to 2,05 (version 01 .. 03) 0,8 to 3,5 (version 08 .. 10) - zero mv/v -0,4 to +0,4 bridge excitation v approx. 10 bridge resistance ? ? 350 to 1000 ? (standard) >87 ? (for option xp4 only) power supply current ma approx. 10 (with no sensor connected) output - voltage (version 01, 08) v 10v , load 10 kohms - current (version 02, 09) ma 0 to 20, load 300 ohms - current (version 03, 10) ma 4 to 20, load 300 ohms bandwidth (-3db) hz 5000 temperature coefficient at 2mv/v - span %/10k 0,07 - zero %/10k 0,05 mounting din-rail mount: 35 x 7,5 or 35 x 15 dimensions mm 75 x 72 x 76 (lxhxw) protection class % ip20 operating temperature c -20 to +60 storage temperature c -40 to +70 ordering examples ba 651.01, input 2mv/v, output 10v ba 651.02, input 2mv/v, output 0 bis 20ma ba 651.03, input 2mv/v, output 4 bis 20ma ba 651.08, input 3,5mv/v, output 10v ba 651.09, input 3,5mv/v, output 0 bis 20ma ba 651.10, input 3,5mv/v, output 4 bis 20ma add ?xp4? to above designation if you wish the to order the opt ion for 87 ohms bridge resistanc e (i.e. to connect 4 x 350 ohms load cells). subject to change without notice status: jul. 05 vishay measurements group gmbh email: info@vishaymg.de tatschenweg 1 fon +49 (0) 7131 39099-0 de-74078 heilbronn www.vishaymg.de fax +49 (0) 7131 39099-29
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