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10 Turn Wirewound
Model 7280
7/8” Diameter
Precision Potentiometer
MODEL STYLES AVAILABLE
7281
7283
7284
7286
7288 (for heavy side load applications)
ELECTRICAL 1
Resistance Range
Standard Resistance Tolerance
Minimum Practical Resistance Tolerance
Independent Linearity 2
Minimum Practical Independent Linearity
Power Rating
Dielectric Strength
Insulation Resistance
Noise
Actual Electrical Travel
End Voltage
Tap Tolerance
MECHANICAL
1/8” Shaft, 1/4” Bushing
1/8” Shaft, Servo
6 mm shaft, 3/8” Bushing
1/4” Shaft, 3/8” Bushing
1/4” Shaft, 3/8” Bushing
100 to 100K ohms
±5%
±1%
±0.25%
±0.15% (<300 ohms), ±0.075% (≥300 ohms)
2.0 Watts at 70°C, derating to 0 at 125°C
1,000 V rms
1,000 Megohms minimum
100 ohms maximum
3600° +10° -0° (>100 ohms), 3600° +10° -5° (≤100 ohms)
maximum 0.25% of input voltage
±3°
Total Mechanical Travel
Number of Gangs
Weight (single gang)
Backlash
7281, 7284, 7286, 7288
3600° +15° -0°
2 maximum
0.75 oz. nominal
1° maximum
7283
Pb compliant
1
2
Static Stop Strength
Panel Nut Tightening Torque
Shaft End Play
Shaft Runout
Pilot Diameter Runout
Lateral Runout
Shaft Radial Play
Start/Run Torque (per gang, ES option adds 0.5 oz.-in.)
Specifications subject to change without notice.
Linearity is measured between 1% and 99% of input voltage.
maximum
maximum
maximum
maximum T.I.R.
maximum T.I.R.
maximum T.I.R.
maximum
maximum
48 oz.-in.
25 lb.-in.
0.010”
0.003”
0.004”
0.005”
0.003”
0.8 oz.-in.
36 oz.-in.
n/a
0.005”
0.002”
0.002”
0.004”
0.002”
0.6 oz.-in.
RoHS 2
BI Technologies Corporation
4200 Bonita Place, Fullerton, CA 92835 USA
Phone: 714 447 2345
February 4, 2014
Website: www.bitechnologies.com
Model 7280 page 1 of 4
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