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Model 830, 860

Vishay Spectrol

Document Number: 57073

Revision 16-Jul-03

For technical questions, contact sfer@vishay.com

DIMENSIONS in inches (millimeters)

MECHANICAL SPECIFICATIONS

PARAMETER

830

860

Rotation

1080

° + 4° - 0°

3600

° + 4° - 0°

Bearing Type

Sleeve Bearing

Torque (maximums): Starting

STARTING

RUNNING

Section 1

1.75 oz - in(126,02gm - cm)

1.26 oz - in (90.01gm - cm)

Section 2

2.55 oz - in(183,62gm - cm)

1.85 oz - in (133,21gm - cm)

Runouts (Maximums)

Shaft(TIR)

0.002 in (0.05cm)

Pilot Dia (TIR)

0.002 in (0.05cm)

Lateral (TIR)

0.005 in (0.13cm)

Shaft End Play

0.002 in min 0.010 in Maximum (0.05 - 0.25cm)

Shaft Radial Play

0.003 in Maximum (0.08cm)

Weight (maximums)

Single Section

3.0 oz (85.05gm)

4.5 oz (127.58gm)

Additional Section

2.5 oz (70.80gm)

4.0 oz (113.40gm)

Stop Strength

750 oz - in (static) (54.01Kgm - cm)

Ganging

2 sections maximum ears of clamp band between

sections positioned 45

°, ± 10° CCW from

terminal center line

Moment Inertia

5.5gm - cm

15.0gm - cm

1 - 13/16” (46mm) Three and Ten Turn Wirewound

Precision Potentiometer

2.000

(50.80)

0.250 MIN

(6.35)

0.062

(1.57)

0.010

(0.25)

0.312

(7.92)

0.030 MAX

(0.76)

3/8 - 32 UNEF - 2A

1.812

(46.02)

Ø 0.2497

(6.34)

+ 0.0000

- 0.0003

Ø 0.4062 MTG.

(10.32)

+ 0.0000

- 0.0020

0.062

(1.57)

21

3

0.218

(5.54)

0.562

(14.27)

Ø 0.125

(3.18)

MTG. FACE

0.812

(20.62)

0.312

(7.92)

0.030

MAX

(0.76)

1.812

(46.02)

Ø 0.2497

(6.34)

+ 0.0000

- 0.0003

Ø 0.4062 MTG.

(10.32)

+ 0.0000

- 0.0020

0.062

(1.57)

0.010

(0.25)

0.062

(1.57)

0.250

MIN

(6.35)

1.218

(30.94)

MODEL 830

MODEL 860

1

2

1

2

ADD 1.010 (25.65) FOR 2 GANG UNIT

ADD 1.787 (45.39) FOR 2 GANG UNIT

TOLERANCES: OTHERWISE NOTED

DECIMALS

SCHEMATIC

2

3

1

CW

3/8 - 32 UNEF - 2A

1

2

3

MTG. FACE

0.812

(20.62)