Model 7480
7/8” Diameter
5 Turn Wirewound
Precision Potentiometer
MODEL STYLES AVAILABLE
7481
1/8” Shaft, 1/4” Bushing
7483
1/8” Shaft, Servo
7486
1/4” Shaft, 3/8” Bushing
7488 (for heavy side load applications)
1/4” Shaft, 3/8” Bushing
ELECTRICAL1
Resistance Range
100 to 50K ohms
Standard Resistance Tolerance
±5%
Minimum Practical Resistance Tolerance
±1%
Independent Linearity2
±0.25%
Minimum Practical Independent Linearity
±0.25% (<500 ohms), ±0.20% (≥500 ohms)
Power Rating
1.5 Watts at 70°C, derating to 0 at 125°C
Dielectric Strength
1,000 V rms
Insulation Resistance
1,000 Megohms minimum
Noise
100 ohms maximum
Actual Electrical Travel
1800° +10° -0° (>100 ohms), 1800° +10° -5° (≤100 ohms)
End Voltage
maximum 0.25% of input voltage
Tap Tolerance
±3°
MECHANICAL
Total Mechanical Travel
1800° +15° -0°
Number of Gangs
2 maximum
Weight (single gang)
0.75 oz. nominal
Backlash
1° maximum
7481, 7486
7483
Static Stop Strength
maximum
60 oz.-in.
36 oz.-in.
Panel Nut Tightening Torque
maximum
25 lb.-in.
n/a
Shaft End Play
maximum
0.010”
0.005”
Shaft Runout
maximum T.I.R.
0.003”
0.002”
Pilot Diameter Runout
maximum T.I.R.
0.004”
0.002”
Lateral Runout
0.004”
2
0.005”
maximum
0.003”
0.002”
Start/Run Torque (per gang)
1
maximum T.I.R.
Shaft Radial Play
maximum
1.2 oz.-in.
0.9 oz.-in.
Specifications subject to change without notice.
Linearity is measured between 1% and 99% of input voltage.
BI Technologies Corporation
4200 Bonita Place, Fullerton, CA 92835 USA
Phone: 714 447 2345
August 24, 2012
Website: www.bitechnologies.com
Model 7480 page 1 of 4