2 2-83 model 7200 series model 7200 series 7/8?diameter 10-turn wirewound precision potentiometer/ position sensor electrical resistance range, ohms 10 to 125k standard resistance tolerance ?% minimum practical resistance tolerance ?% independent linearity ?.25% minimum practical independent linearity ?.25%, 20 ohms ?.15%, 21-49 ohms ?.10%, 50-99 ohms ?.075%, 100-999 ohms ?.05%, 1k ohms power rating, watts 2.0 at 70? derating to 0 at 125? dielectric strength 1,000v rms insulation resistance, minimum 1,000 megohms noise, maximum 100 ohms actual electrical travel 3600 + 10 ?0? > 25 ohms 3600 + 10 ?5? 25 ohms tap tolerance ?? 20 ohms ?? 21-49 ohms ?? 50 ohms end voltage, maximum (% of input voltage) 0.5%, <100 ohms 0.25%, 100 ohms model styles 7216, 7221 bushing mount, sleeve bearing 7223 servo mount, ball bearing specifications subject to change without notice. available in a hybrid version ?contact factory for details. updated 05/16/02.
special features center tap ct linearity tape lt rear shaft extension rs flatted shaft fs slotted shaft ss shaft lock (7216, 7221 only) sl additional gangs 2g 2-84 model 7200 series environmental (mil-r-39023) operating temperature range static: ?5? to +125? dynamic: ?0? to +125? temperature cycling 5 cycles, ?5? to +125? (5% ? r) shock, 6ms sawtooth 50g? (0.1ms discontinuity max.) vibration 15g?, 10 to 2,000 hz (5% ? r, 0.1ms discontinuity max.) moisture resistance ten 24 hour cycles (3% ? r) high temperature exposure 1,000 hours at 125? (5% ? r) rotational load life 2 mil. shaft rev. + 900 hrs. at rated wattage at 70? (5% ? r)* mechanical total mechanical travel 3600 + 10 ?0 number of gangs, maximum 2 weight, nominal (single gang) 1.25 oz. static stop strength 128 oz.-in. backlash, maximum 1.5 7216 7221 7223 panel nut tightening torque, maximum 25 lb.-in. 25 lb.-in. n/a shaft end play, maximum .0085 .005 .005 shaft runout, t.i.r., maximum .001 .001 .001 pilot diameter runout, t.i.r., maximum .001 .001 .0015 lateral runout, t.i.r., maximum .003 .003 .003 shaft radial play, maximum .003 .003 .002 start/run torque, maximum (per gang) 0.6 oz.-in / 0.5 oz.-in. * model 7216 - rotational load life = 1 mil. shaft rev.+900 hrs. at rated wattage at 70? (5% ? r)
2 2-85 model 7200 series ordering information 7216 r 10k t2 l .25 xx model series resistance prefix resistance value optional special feature code linearity optional non- standard tolerance matching turns counting dials 7216: 2606, 2606s, 2607, 2607s, 2626, 2627, 2646, 2646s, 2647, 2647s, rb 7221: rbj, 2601, 2641 (ccw) (s) (cw) metric equivalents, based on 1 inch = 25.4mm are rounded to the same number of significant figures as in the original english units and are provided for general information only. tolerances unless otherwise specified: linear = .01 inches (.25mm) angular = 2 degrees notes mm inch circuit diagram standard resistance values, ohms theoretical total resolution tempco resistance (% nominal) of wire 10 0.083 + 800 ppm/? * 25 0.055 + 800 ppm/? * 50 0.048 + 800 ppm/? * 100 0.040 + 800 ppm/? * 200 0.033 + 800 ppm/? * 500 0.031 20 ppm/? 1k 0.028 20 ppm/? 2k 0.025 20 ppm/? 5k 0.020 + 130 ppm/? * 10k 0.018 + 130 ppm/? * 20k 0.016 + 130 ppm/? * 50k 0.012 20 ppm/? 100k 0.011 20 ppm/? * lower tempco available as a special model.
mounting surface .625 15.9 r. max. 1.832 .020 * 46.53 0.51 1.457 .009 ** 37.01 0.23 slider ccw cw "a" "d" .312 .016 7.93 0.41 +.000 -.010 +0.00 -0.25 .062 1.575 dia. +.0000 -.0005 +0.0000 -0.0127 .1248 3.1699 dia. *2g = **2g = 3.200 0.30 81.28 0.76 2.825 0.16 71.76 0.41 chamfer .016/0.41 max. x 45 "b" "c" .875 .016 22.2 0.41 dia. .688 .031 17.475 0.787 +.0000 -.0003 +0.0000 -0.0076 .1248 3.1699 +.000 -.002 +0.000 -0.051 .281 7.137 .812 .031 20.625 0.787 +.0000 -.0003 +0.0000 -0.0076 .2500 6.3500 +.000 -.002 +0.000 -0.051 .406 10.312 1/4-32 unef thread 3/8-32 unef thread dim. 7221 7216 a b c d 2-86 model 7200 series outline dimensions (inch/mm) metric conversions 1 in. 25.4 mm 1 oz. 28.4 gm 1 oz.-in. 0,007 n-m 1 lb.-in. 0,113 n-m model 7216 & 7221 bushing mount with sleeve bearing
2-87 2 model 7200 series outline dimensions (inch/mm) .625 15.9 r. max. *2g = **2g = 3.314 .030 84.18 0.76 2.939 .015 74.65 0.38 1.946 .020 * 49.43 0.51 1.571 .009 ** 39.90 0.23 slider ccw cw mounting surface .005 0.13 r. max. +.0000 -.0003 +0.0000 -0.0076 .1248 3.1699 +.000 -.001 +0.000 -0.025 .625 15.875 dia. typ. dia. dia. dia. .875 .005 22.2 0.13 .781 19.8 dia. max. chamfer- .016/0.406 max. x 45 .062 .005 1.58 0.13 .062 .005 1.58 0.13 .125 .005 3.18 0.13 .375 .031 9.53 0.79 .875 .016 22.2 0.79 model 7223 servo mount with ball bearing
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