Model E Precision Multi-Turn Potentiometer
3-15/16" Diameter, 40-Turn Wirewound Element
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| Features: |
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40-Turn Wirewound element |
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±5% Resistance Tolerance Standard |
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±0.50% Independent Linearity Standard |
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1/4" Shaft; 1/2" Bushing or Servo Mount |
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Model B (15 Turn, 10 Watts) and
Model D (25 Turn, 15 Watts) |
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| Options: |
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Center Tap |
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Rear Gang Extension |
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External Shaft Seal Available
for Bushing Mount. More information |
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Model Styles
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Model E
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1/4" Shaft, 3/8" Bushing, Sleeve Bearing |
Model ESP
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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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125 to 3.3 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 = ±0.05% Available
100 to 999 Ohms = ±0.05% Available
≥ 1K Ohms = ±0.035% Available
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Power Rating
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20 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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9,000° +4° -0°
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Noise, Maximum
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RT ≤ 30K Ohms: 500 Ohms:
RT > 30K Ohms: 250 Ohms:
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Tap Tolerance
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RT < 150 Ohms: ±1.5°
RT ≥ 150 Ohms: ±1.0°, |
| End Voltage |
<0.50% of Input Voltage, Max |
| Temperature Coefficient |
RT = 125 to 700 ohms: 800ppm/°C
RT = 800 to 30K ohms: 20ppm/°C
RT = 34K to 340K ohms: 130ppm/°C
RT > 340K: 20ppm/°C
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Mechanical Specifications
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Total Mechanical Travel
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9,000° +4° -0° |
Number of Gangs
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1 Maximum
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Weight
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21 oz. Nominal (per gang) |
Static Stop Strength
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730 oz.-in.
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Backlash
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0.2°
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Shaft End Play
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D = 0.016" Maximum
DSP = 0.007" Maximum |
Shaft Runout, T.I.R.
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D = 0.002" Maximum
DSP = 0.002" Maximum
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Pilot Diameter Runout, T.I.R.
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D = 0.002" Maximum
DSP = 0.002" Maximum
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Lateral Runout, T.I.R.
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D = 0.003" Maximum
DSP = 0.004" Maximum
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Start/Run Torque,
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3.5 / 2.5 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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