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Model 3371

MODEL 3371

1-5/16” Diameter

Single Turn

Conductive Plastic

Precision Potentiometer /

Position Sensor

ELECTRICAL

Resistance Range, Ohms

1K to 900K

Standard Resistance Tolerance

±10%

Minimum Practical Resistance Tolerance

±5%

Independent Linearity*

±0.5%

Minimum Practical Independent Linearity

±0.25%

Input Voltage, Maximum

400Vdc not to exceed power rating

Power Rating, Watts

.75 at 65°C derating to 0 at 105°C

Dielectric Strength

1,000V rms

Insulation Resistance, Minimum

1,000 Megohms

Output Smoothness, Maximum

0.1%

Actual Electrical Travel, Nominal

348°

Electrical Continuity Travel, Minimum

350°

End Voltage, Maximum

0.5% of Input Voltage

Tap Tolerance

0.5% of Input Voltage

Resolution

Essentially infinite

Temperature Coefficient**

–800 ppm/°C

Specifications subject to change without notice.

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

** Special tempco available to ± 100ppm/˚C.

ENVIRONMENTAL (MIL-R-39023)

Operating Temperature Range

–25°C to +105°C

Temperature Cycling

5 cycles, –25°C to +105°C (10%

∆R)

Shock, 6ms Sawtooth

100G’s (0.1ms discontinuity max.)

Vibration

10G’s, 10 to 500 Hz (2%

∆R, 0.1ms discontinuity max.)

Moisture Resistance

Five 24 hour cycles (25%

∆R)

High Temperature Exposure

Mechanical operation at 105°C (0.5%

∆R)

Rotational Life

2 mil. shaft rev.

Rotational Load Life

2 mil. shaft rev. (10%

∆R)