MODEL 7200 SERIES 7/8” Diameter 10-Turn Wirewound 2 Precision Potentiometer/ Position Sensor MODEL STYLES 7216, 7221 7223 Bushing Mount, Sleeve Bearing Servo Mount, Ball Bearing ELECTRICAL Resistance Range, Ohms Standard Resistance Tolerance Minimum Practical Resistance Tolerance Independent Linearity Minimum Practical Independent Linearity 10 to 125K ±3% ±1% ±0.25% ±0.25%, ≤ 20 Ohms ±0.15%, 21-49 Ohms ±0.10%, 50-99 Ohms ±0.075%, 100-999 Ohms ±0.05%, ≥ 1K Ohms 2.0 at 70°C derating to 0 at 125°C 1,000V rms 1,000 Megohms 100 Ohms 3600° + 10° – 0°, > 25 Ohms 3600° + 10° – 5°, ≤ 25 Ohms ±5°, ≤20 Ohms ±3°, 21-49 Ohms ±2°, ≥50 Ohms 0.5%, <100 Ohms 0.25%, ≥100 Ohms Power Rating, Watts Dielectric Strength Insulation Resistance, Minimum Noise, Maximum Actual Electrical Travel Tap Tolerance End Voltage, Maximum (% of input voltage) Specifications subject to change without notice. Available in a Hybrid version – contact factory for details. Updated 05/16/02. 2-83 Model 7200 Series ENVIRONMENTAL (MIL-R-39023) Operating Temperature Range Temperature Cycling Shock, 6ms Sawtooth Vibration Moisture Resistance High Temperature Exposure Rotational Load Life Static: –65°C to +125°C Dynamic: –40°C to +125°C 5 cycles, –65°C to +125°C (5% ∆R) 50G’s (0.1ms discontinuity max.) 15G’s, 10 to 2,000 Hz (5% ∆R, 0.1ms discontinuity max.) Ten 24 hour cycles (3% ∆R) 1,000 hours at 125°C (5% ∆R) 2 mil. shaft rev. + 900 hrs. at rated wattage at 70°C (5% ∆R)* * Model 7216 - Rotational Load Life = 1 mil. shaft rev.+900 hrs. at rated wattage at 70°C (5% ∆R) MECHANICAL Total Mechanical Travel Number of Gangs, Maximum Weight, Nominal (single Gang) Static Stop Strength Backlash, Maximum Panel Nut Tightening Torque, Maximum Shaft End Play, Maximum Shaft Runout, T.I.R., Maximum Pilot Diameter Runout, T.I.R., Maximum Lateral Runout, T.I.R., Maximum Shaft Radial Play, Maximum Start/Run Torque, Maximum (per Gang) 7216 25 lb.-in. .0085” .001” .001” .003” .003” 3600° + 10° – 0° 2 1.25 oz. 128 oz.-in. 1.5° 7221 7223 25 lb.-in. N/A .005” .005” .001” .001” .001” .0015” .003” .003” .003” .002” 0.6 oz.-in / 0.5 oz.-in. SPECIAL FEATURES Center Tap Linearity Tape Rear Shaft Extension Flatted Shaft Slotted Shaft Shaft Lock (7216, 7221 only) Additional Gangs CT LT RS FS SS SL 2G 2-84 Model 7200 Series STANDARD RESISTANCE VALUES, OHMS Total Resistance 10 25 50 100 200 500 1K 2K 5K 10K 20K 50K 100K Theoretical Resolution (% Nominal) Tempco of Wire 0.083 0.055 0.048 0.040 0.033 0.031 0.028 0.025 0.020 0.018 0.016 0.012 0.011 + 800 ppm/°C * + 800 ppm/°C * + 800 ppm/°C * + 800 ppm/°C * + 800 ppm/°C * ± 20 ppm/°C ± 20 ppm/°C ± 20 ppm/°C + 130 ppm/°C * + 130 ppm/°C * + 130 ppm/°C * ± 20 ppm/°C ± 20 ppm/°C 2 * Lower tempco available as a special model. ORDERING INFORMATION 7216 R 10K T2 L .25 XX Optional Special Feature Code Model Series Resistance Prefix Resistance Value Linearity Optional NonStandard Tolerance MATCHING TURNS COUNTING DIALS 7216: 2606, 2606S, 2607, 2607S, 2626, 2627, 2646, 2646S, 2647, 2647S, RB 7221: RBJ, 2601, 2641 NOTES CIRCUIT DIAGRAM 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. (S) (CCW) INCH mm Tolerances unless otherwise specified: Linear = ± .01 inches (.25mm) Angular = ± 2 degrees (CW) 2-85 Model 7200 Series OUTLINE DIMENSIONS (Inch/mm) Model 7216 & 7221 Bushing Mount with Sleeve Bearing *2G = 3.200±0.30 81.28±0.76 **2G = 2.825±0.16 71.76±0.41 1.832±.020 * 46.53±0.51 Mounting Surface 1.457±.009 ** 37.01±0.23 "A" Slider CCW .625 R. Max. 15.9 CW "B" +.0000 .1248 -.0005 Dia. +0.0000 3.1699 -0.0127 Dim. .688±.031 17.475±0.787 +.0000 -.0003 +0.0000 3.1699 -0.0076 .1248 B +.000 -.002 +0.000 7.137 -0.051 .281 C D 1/4-32 UNEF Thread Chamfer .016/0.41 Max. x 45° .062 7221 A +.000 -.010 Dia. +0.00 1.575 -0.25 7216 .812±.031 20.625±0.787 +.0000 -.0003 +0.0000 6.3500 -0.0076 .2500 "C" "D" .875±.016 Dia. 22.2±0.41 .312±.016 7.93±0.41 +.000 -.002 +0.000 10.312 -0.051 .406 3/8-32 UNEF Thread METRIC CONVERSIONS 1 in. 1 oz. 25.4 mm 28.4 gm 2-86 1 oz.-in. 1 lb.-in. 0,007 N-m 0,113 N-m Model 7200 Series OUTLINE DIMENSIONS (Inch/mm) Model 7223 Servo Mount with Ball Bearing *2G = 3.314±.030 84.18±0.76 **2G = 2.939±.015 74.65±0.38 1.946±.020 * 49.43±0.51 Mounting Surface .375±.031 9.53±0.79 1.571±.009 ** 39.90±0.23 Slider CCW 2 .005 R. Max. 0.13 .625 15.9 R. Max. +.0000 -.0003 Dia. Typ. +0.0000 3.1699 -0.0076 .1248 CW +.000 -.001 Dia. +0.000 15.875 -0.025 .625 .875±.016 Dia. 22.2±0.79 .875±.005 Dia. 22.2±0.13 .781 Dia. Max. 19.8 .062±.005 1.58±0.13 Chamfer- .016/0.406 Max. x 45° .125±.005 3.18±0.13 .062±.005 1.58±0.13 2-87 Model 7200 Series