7/8" Diameter 10-Turn* Hybrid Precision Potentiometer Position Sensor

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7/8" Diameter 10-Turn* Hybrid Precision Potentiometer Position Sensor

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MODEL 8140 SERIES
7/8" Diameter 10-Turn* Hybrid Precision Potentiometer Position Sensor
MODEL STYLES
8141 8143 8146
ELECTRICAL
1/8" Shaft, 1/4" Bushing 1/8" Shaft, Servo 1/4" Shaft, 3/8" Bushing
Resistance Range, Ohms Standard Resistance Tolerance Minimum Practical Resistance Tolerance Independent Linearity Power Rating, Watts Dielectric Strength Insulation Resistance, Minimum Output Smoothness, Maximum Actual Electrical Travel, Nominal Tolerance (Voltage Only) Voltage, Maximum Resolution Temperature Coefficient
ENVIRONMENTAL (MIL-R-12934)
100K ±10% ±0.25% 70°C derating 125°C 1,000V 1,000 Megohms 0.05%5K Ohms, 0.03%>5K Ohms 3600° ±0.05% input voltage 0.2% input voltage Essentially Infinite +100ppm/°C, -150ppm/°C
Operating Temperature Range Temperature Cycling Shock, Sawtooth Vibration Moisture Resistance High Temperature Exposure Rotational Load Life
Specifications subject change without notice. Model available turn versions.
Static: -55°C +125°C Dynamic: -40°C +125°C cycles, -40°C +125°C 100G's (0.1ms discontinuity max.) 15G's, 2,000 0.1ms discontinuity max.) Five hour cycles 1,000 hours 125°C mil. shaft rev. hrs. rated wattage 70°C
2-123
Model 8140 Series
MECHANICAL
Total Mechanical Travel Number Gangs, Maximum Weight, Nominal (single gang) Backlash, Maximum Static Stop Strength Panel Tightening Torque, Maximum Shaft 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)
STANDARD RESISTANCE VALUES, OHMS
8141, 8146 oz.-in. lb.-in. .010" .003" .004" .005" .003" oz.-in.
3600° 0.75 8143 oz.-in. .005" .002" .002" .004" .002" oz.-in.
100K
METRIC CONVERSIONS
25.4 28.4
oz.-in. lb.-in.
0,007 0,113
2-124
Model 8140 Series
OUTLINE DIMENSIONS (Inch/mm)
Models 8141 8146 Bushing Mount with Sleeve Bearing
Dim.
7381 .688±.013 17.475±0.787 +.0000 -.0003 Dia. +0.0000 3.1699 -0.0076 .1248 +.000 .281 -.002 Dia. +0.000 7.137 -0.051 1/4-32 UNEF Thread
7386 .812±.031 20.625±0.787 +.0000 -.0005 Dia. +0.0000 6.3500 -0.0127 .2500 +.000 .406 -.002 Dia. +0.000 10.312 -0.051 3/8-32 UNEF Thread
1.125±.031 28.58±0.79 .750±.016 19.1±0.41 Slider
Mounting Surface Dim.
.125 Min. 3.18
Dim. Dim. Max. .625 Max. 15.9
.080±.001 Dia. 2.03±0.03
Slot: .032±.005/0.813±0.127 Wide Deep (Not Rear Shaft Models) +.000 -.010 +0.00 1.58 -0.25 .062 Dim. Chamfer .312±.016 .016/0.41 Max. 7.93±0.41 .875±.016 Dia. 22.2±0.41
OPTIONAL TERMINAL CONFIGURATION
VIEW SLIDER .625 15.9
.110 2.794 .020 Thickness .060 .003 Dia. 1.524 .076 .062 .003 1.524 .076
Special Feature Code "FT" order. Enlarged View
2-125
Model 8140 Series
OUTLINE DIMENSIONS (Inch/mm)
Model 8143 Servo Mount wiht Ball Bearing Mounting Surface .375±.031 9.53±0.79 .781 Dia. Max. 19.8 +.0000 .1248 -.0003 Dia. +0.0000 3.1699 -0.0076 +.000 -.001 +0.000 Dia. 15.875 -0.025 .625 .057 Min. 1.45 .062±.005 1.58±0.13 Chamfer .016/0.406 Max. .062±.005 1.58±0.13
1.250±.031 31.75±0.79 .875±.016 22.2±0.41 .250 6.35 Min.
.625 Max. 15.9 105° Max.
Clamp Ears
Slider
.080±.001 Dia. 2.03±0.03 .875±.016 22.2±0.41 Housing Dia.
+.005 .875 -.010 +0.13 Dia. 22.2 -0.25
Clamp .922 Dia. Max. 23.4
OPTIONAL TERMINAL CONFIGURATION
105° VIEW SLIDER .625 15.9
.110 2.794 .020 Thickness .060 .003 Dia. 1.524 .076 .062 .003 1.524 .076
Special Feature Code "FT" order. Enlarged View
2-126
Model 8140 Series
SPECIAL FEATURES
Center Linearity Tape Rear Shaft Extension (8143, 8146 single only) Flatted Shaft Slotted Shaft (Standard single gang 8146 without Shaft Lock (8141, 8146 only) High Torque oz.-in. (8146 only) Additional Gangs Gold plated solder terminals (See optional terminal configuration)
ORDERING INFORMATION
8146 Model Series Resistance Prefix Resistance Value Optional Special Feature Code Linearity Optional Non-Standard Tolerance
MATCHING TURNS COUNTING DIALS
8141: RBJ, 2601, 2641 8146: 2606, 2607, 2626, 2627, 2646, 2647, 2126, 2606S, 2607S, 2646S, 2647S,
CIRCUIT DIAGRAM
NOTES
(CCW) (CW)
Metric equivalents, based inch 25.4mm rounded same number significant figures original English units provided general information only. Tolerances unless otherwise specified: Linear inches (.25mm) Angular degrees
INCH
2-127
Model 8140 Series

7/8" Diameter 10-Turn* Hybrid Precision Potentiometer Position Sensor

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