BI Technologies Corporation

4200 Bonita Place, Fullerton, CA 92835 USA

Phone: 714 447 2345

Website: www.bitechnologies.com

7/8” Diameter

Precision Potentiometer / Position Sensor

Model 8140 Series

Total Mechanical Travel

3600° +15° -0°

Number of Gangs

2 maximum

Weight (single gang)

0.75 oz. nominal

Backlash

1° maximum

8141, 8144, 8146, 8148

8143

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.

3

Measured with 10 VDC CW to CCW and slider at 50% of electrical travel.

* Model available in 3 & 5 turn versions.

Resistance Range

1K to 100K ohms

Standard Resistance Tolerance

±10%

Minimum Practical Resistance Tolerance

±5%

±0.25%

Minimum Practical Independent Linearity

±0.15%

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

Output Smoothness

0.05% maximum <= 5 Kohms, 0.03% maximum above 5 Kohms

Actual Electrical Travel

3600° nominal

End Voltage

maximum 0.2% of input voltage

Tap Tolerance (voltage tap only)

± 0.05% of input voltage

Resolution

essentially infinite

Temperature Coefficient of Resistance

± 50 ppm/°C typical

±10 ppm/°C typical

November 13 2015

Model 8140 page 1 of 4

8141

1/8” Shaft, 1/4” Bushing

8143

1/8” Shaft, Servo

8144

6 mm Shaft, 3/8” Bushing

8146

1/4” Shaft, 3/8” Bushing

8148 (for heavy side load applications)

1/4” Shaft, 3/8” Bushing

MODEL STYLES AVAILABLE

RoHS 2

compliant

Pb