BI Technologies Corporation

4200 Bonita Place, Fullerton, CA 92835 USA

Phone: 714 447 2345

Website: www.bitechnologies.com

7/8” Diameter

10 Turn Wirewound

Precision Potentiometer

Model 7280

Total Mechanical Travel

3600° +15° -0°

Number of Gangs

2 maximum

Weight (single gang)

0.75 oz. nominal

Backlash

1° maximum

7281, 7284, 7286, 7288

7283

Static Stop Strength

maximum

48 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

maximum T.I.R.

0.005”

0.004”

Shaft Radial Play

maximum

0.003”

0.002”

Start/Run Torque (per gang, ES option adds 0.5 oz.-in.)

maximum 0.8 oz.-in.

0.6 oz.-in.

MECHANICAL

1

Specifications subject to change without notice.

2

Linearity is measured between 1% and 99% of input voltage.

Resistance Range

100 to 100K ohms

Standard Resistance Tolerance

±5%

Minimum Practical Resistance Tolerance

±1%

±0.25%

Minimum Practical Independent Linearity

±0.15% (<300 ohms), ±0.075% (≥300 ohms)

Power Rating

2.0 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

3600° +10° -0° (>100 ohms), 3600° +10° -5° (≤100 ohms)

End Voltage

maximum 0.25% of input voltage

Tap Tolerance

±3°

September 1, 2015

Model 7280 page 1 of 4

7281

1/8” Shaft, 1/4” Bushing

7283

1/8” Shaft, Servo

7284

6 mm shaft, 3/8” Bushing

7286

1/4” Shaft, 3/8” Bushing

7288 (for heavy side load applications)

1/4” Shaft, 3/8” Bushing

MODEL STYLES AVAILABLE

RoHS 2

compliant

Pb