Datasheet

BI Technologies Corporation
4200 Bonita Place, Fullerton, CA 92835 USA
Phone: [phone] Website: www.bitechnologies.com
7/8” Diameter
10 Turn
*
Hybrid
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 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 maximum T.I.R. 0.005” 0.004”
Shaft Radial Play maximum 0.003” 0.002”
Start/Run Torque (per gang) 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.
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 ±10%
Independent Linearity
2
±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
Temperature Coefficient of Output Voltage
3
±10 ppm/°C typical
September 18, 2012 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