Model B Precision Multi-Turn Potentiometer
3-15/16" Diameter, 15-Turn Wirewound Element
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| Features: |
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15-Turn Wirewound element |
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1/4" Shaft; 1/2" Bushing or Servo Mount |
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±5% Resistance Tolerance Standard |
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±0.50% Independent Linearity Standard |
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Up to 3 Gangs |
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Model D (25 Turn, 15 Watts) and
Model E (40 Turn, 20 Watts) |
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| Options: |
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Center Tap |
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Rear Gang Extension |
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External Panel and Shaft Seal Options.
More information |
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Model Styles
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Model B
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1/4" Shaft, 3/8" Bushing, Sleeve Bearing |
Model BSD
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1/4" Shaft, Servo Mount, Ball Bearing |
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Electrical Specifications
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Resistance Range
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40 to 2 Meg Ohms |
Resistance Tolerance
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±5% Standard; up to ±1% available
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Independent Linearity
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±0.50% Standard
< 100 Ohms = ±0.10% Available
100 to 999 Ohms = ±0.05% Available
≥ 1K Ohms = ±0.035% Available
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Power Rating
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10 Watts at 40°C
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Input Voltage
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1,000Vdc maximum (not to exceed power rating)
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Dielectric Strength
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1,000V rms
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Insulation Resistance
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100 Megohms Minimum |
Actual Electrical Travel
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5400° +4° -0°
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| End Voltage |
<0.50% of Input Voltage, Max |
Noise, maximum
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RT ≤ 8K Ohms: 500 Ohms:
RT > 8K Ohms: 250 Ohms:
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Tap Tolerance
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RT < 70 Ohms: ±1.5°
RT ≥ 70 Ohms: ±1.0° |
| Temperature Coefficient |
RT = 40 to 265 ohms: 800ppm/°C
RT = 300 to 8K ohms: >142K: 20ppm/°C
RT = 8.6K to 128K ohms: 130ppm/°C
RT > 142K: 20ppm/°C
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Mechanical Specifications
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Total Mechanical Travel
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5,400° +4° -0° |
Number of Gangs
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3 maximum
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Weight
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13 oz. Nominal (per gang) |
Static Stop Strength
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1150 oz.-in.
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Backlash
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0.2° maximum
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Shaft End Play
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B = 0.007" maximum
BSP = 0.005" maximum |
Shaft Runout, T.I.R.
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B = 0.0005" maximum
BSP = 0.001" maximum
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Pilot Diameter Runout, T.I.R.
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B = 0.002" maximum
BSP = 0.0015" maximum
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Lateral Runout, T.I.R.
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B = 0.003" maximum
BSP = 0.0065" maximum
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Start/Run Torque
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B = 2.7 oz.-in. maximum (per gang)
BSP = 2.0 oz.-in. maximum (per gang) |
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Environmental Specifications (MIL-R-12934)
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Temperature Cycling
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5 cycles, -65°C to +85°C (5% ΔR)
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Low Temp Exposure
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24 hours at -65°C (5% ΔR)
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