MODEL 21P

www.vishay.com

Vishay Spectrol

Revision: 10-Jul-12

1

Document Number: 57017

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

46.0 mm Diameter Eleven Turn Dial

FEATURES

• Round vernier scale

• Material: plastic ABS mold

• Finish: metallized clear (aluminum)

• Material categorization: For definitions of compliance

QUICK REFERENCE DATA

Sensor type

DIALS

Market appliance

Industrial

Dimensions

46 mm dia.

RoHS

COMPLIANT

MECHANICAL SPECIFICATIONS

Mounting

Direct to shaft with # 4 to 40 unc hext socket set screw located adjacent to no. 75 on graduated

dial

Numeral size:

Counter wheel

Graduated dial

Graduation size:

Numeral and every fifth

Intermediate

Width

0.01" (0.2 mm)

Weight

13 g

OPERATIONAL SPECIFICATIONS

Readout and operation

1099 turns total. The number in window (0 thru 10) indicates completed number of turn of the drive

sleeve. Graduated circular dial indicates the percent of the partial turn of the drive sleeve

Transfer point

The number in center of window shall change as graduated dial rotates between 98 and 0

Rotation

Readout shall increase with CW and decrease with CCW rotation

Accuracy

Zero backlash between graduated dial and drive sleeve

DIMENSIONS in millimeters (inches)

ORDERING INFORMATION/DESCRIPTION

21P

A

11

BO10

e

MODEL

SHAFT DIAMETER AND ACCOMODATION

FINISH

PACKAGING

LEAD FINISH

B 6 mm shaft

Metallized clear (aluminium)

Example: 21P - A - 11

SAP PART NUMBERING GUIDELINES

21P

A

11

B10

MODEL

SHAFT DIAMETER

FINISH

PACKAGING

0.96"

(24.6 mm)

0.625"

(15.9 mm)

DRILL 0.125 ON RADIUS 0.5625

(3.175 mm)

(14.3 mm)

NUT

PANEL

POTENTIOMETER

10 TURN MAX.