operating life 50 million cycles typical t emperature range - 55c + 125c sine vibration on 3 axes 1.5mm peak to peak or 15g - 10hz - 2000hz mechanical shocks on 3 axes 50g - 11ms - half sine theoretical electrical travel (tet) from 12.5mm to 150mm see table 1 actual electrical travel (aet) aet = tet + 1mm independent linearity (over tet) 1% - 0.5% 0.25% for e 25mm 0.1% for e 50mm repeatability 0.01% ohmic values (r t ) from 400 ? /cm to 2k ? /cm resistance tolerance at 20c 20% w iper current recommended: a few a, 1ma max. continuous load resistance minimum 10 3 x r t insulation resistance 1000m ? 500vdc dielectric strength 500vrms 50hz 38 l v ishay sfernice document number: 54010 revision 21-dec-01 www.vishay.com 24 for technical questions, contact sfer@vishay .com precision linear transducers, conductive plastic (rec) features ? measurement range from 12.5mm to 150mm ? high accuracy 1% down to 0.1% ? long life ? essentially infinite resolution ? very small dimension: external diameter = 9.52mm electrical specifications mechanical travel (mt) mt = tet + 3 1mm housing anodized aluminum operating force 0.35n typical t ermination 3 wires ptfe awg 28 length: 300mm w iper precious metal multifinger mechanical specifications performance the 38 l is a very compact model especially designed for precise measurement of short travels.
size tet mt a 38 l0.5 12.5 15.5 43.5 38 l01 25 28 56 38 l02 50 53 81 38 l03 75 78 106 38 l04 100 103 131 38 l05 125 128 156 38 l06 150 153 181 38 l vish ay sfernice document number: 54010 revision 21-dec-01 www.vishay.com 25 for technical questions, contact sfer@vishay .com precision linear transducers, conductive plastic (rec) rec series 38 model l number of tracks l= 1 track c ohmic v alue a: 1% b: 0.5% c: 0.25% d: 0.1% 102 w ... modifications special feature code number 0.5 electrical travel first 2 digits are significant numbers 3rd digit indicates number of zeros ordering information linearity 0.5 = 12.5mm 1 = 25mm 2 = 50mm 3 = 75mm 4 = 100mm 5 = 125mm 6 = 150mm tet = theoretical electrical travel aet = actual electrical travel mt = mechanical travel 12.7 10 min 3 wires awg 28lg: 300mm thermofit sleeve a 10 2: clamping area 10 2: clamping area 1/8? - 40 unc - 2a green red y ellow tet aet mt electrical connections ? 9.52 0.25 dimensions in millimeters, general tolerance 1mm t able 1
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