Series 8140 Precision Multi-Turn Potentiometer
7/8" Diameter, 10-Turn Hybrid Element
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| Features: |
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10-Turn Hybrid element |
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Dual Gang Available |
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±10% Resistance Tolerance Standard |
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±0.25% Independent Linearity Standard |
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| Options: |
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Center Tap |
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Rear Shaft Extension |
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Shaft Lock |
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External Panel and Shaft Seal Options.
More information |
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Model Styles
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8141
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1/8" Shaft, 1/4" Bushing |
8143
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1/8" Shaft, Servo |
8146
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1/4" Shaft, 3/8" Bushing |
8148
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1/4" Shaft, 3/8" Bushing
(for heavy side load applications) |
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Electrical Specifications
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Resistance Range
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1K to 100K Ohms |
Resistance Tolerance
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±10% Standard; up to ±5% available
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Independent Linearity
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±0.25% (Standard)
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Power Rating
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2.0 W at 70°C derating to 0 W at 125°C
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Dielectric Strength
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1,000V rms
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Insulation Resistance
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1,000 Megohms minimum |
Output Smoothness
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0.05%≤5K Ohms, 0.03%>5K Ohms, maximum |
Actual Electrical Travel
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3600°, Nominal |
Tap Tolerance
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±0.05% of input voltage |
End Voltage
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0.2% of input voltage maximum
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Resolution
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Essentially Infinite
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Temperature Coefficient
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+100ppm/°C, -150ppm/°C
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Mechanical Specifications
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Total Mechanical Travel
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3600° +15° -0° |
Number of Gangs
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2 maximum
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Weight
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0.75 oz. Nominal (single gang) |
Backlash
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1° maximum
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Static Stop Strength
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8141, 8146 - 60 oz.-in.
8143 - 36 oz.-in. |
Panel Nut Tightening Torque
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8141, 8146 - 25 lb.-in maximum
8143 - N/A
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Shaft End Play
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8141, 8146 - .010" maximum
8143 - .005" maximum
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Shaft Runout, T.I.R.
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8141, 8146 - .003" maximum
8143 - .002" maximum
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Pilot Diameter Runout, T.I.R.
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8141, 8146 - .004" maximum
8143 - .002" maximum
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Lateral Runout, T.I.R.
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8141, 8146 - .005" maximum
8143 - .004" maximum
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Shaft Radial Play
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8141, 8146 - .003" maximum
8143 - .002" maximum
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Start/Run Torque
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8141, 8146 - 0.8 oz.-in. maximum
8143 - 0.6 oz.-in. maximum
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Environmental Specifications (MIL-R-12934)
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Temperature Range
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Static: -55°C to +125°C
Dynamic: -40°C to +125°C
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Temperature Cycling
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5 cycles, -40°C to +125°C (5% ΔR)
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Shock
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100G's, 6ms Sawtooth
(0.1ms discontinuity max.)
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Vibration
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15G's, 10 to 2,000 Hz
(5% ΔR, 0.1ms discontinuity max.)
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Moisture Resistance
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Five 24 hour cycles (3% ΔR)
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High Temp Exposure
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1,000 hours at 125°C (0.5% ΔR)
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Rotational Load Life
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5 mil. shaft rev. +900 hrs. at rated wattage at 70°C (5% ΔR)
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Rotational Load Life
(1 pound Side Load) |
8148 - 5 mil. shaft rev. +900 hrs. at rated wattage at 70°C (5% ΔR)
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