Datasheet

BI Technologies Corporation
4200 Bonita Place, Fullerton, CA 92835 USA
Phone: [phone] 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
ELECTRICAL
1
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%
Independent Linearity
2
±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