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21P Datasheet, PDF (1/2 Pages) Vishay Siliconix – 46.0 mm Diameter Eleven Turn Dial
www.vishay.com
MODEL 21P
Vishay Spectrol
46.0 mm Diameter Eleven Turn Dial
QUICK REFERENCE DATA
Sensor type
DIALS
Market appliance
Industrial
Dimensions
46 mm dia.
FEATURES
• Round vernier scale
• 1 13/16" dia. (46.0 mm)
• Material: plastic ABS mold
RoHS
COMPLIANT
• Finish: metallized clear (aluminum)
• Material categorization: For definitions of compliance
please see www.vishay.com/doc?99912
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
11//182""
x
x
11//1126""
(2.0
(3.2
mm x
mm x
1.6
2.0
mm)
mm)
1/12" (2.0 mm)
1/24" (1.0 mm)
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)
PANEL
POTENTIOMETER
10 TURN MAX.
0.96"
(24.6 mm)
0.625"
(15.9 mm)
NUT
ORDERING INFORMATION/DESCRIPTION
21P
A
MODEL
SHAFT DIAMETER AND ACCOMODATION
A 1/4" shaft (standard)
B 6 mm shaft
Example: 21P - A - 11
SAP PART NUMBERING GUIDELINES
21P
A
MODEL
SHAFT DIAMETER
DRILL 0.125 ON RADIUS 0.5625
(3.175 mm)
(14.3 mm)
11
FINISH
Metallized clear (aluminium)
BO10
PACKAGING
e
LEAD FINISH
11
FINISH
B10
PACKAGING
Revision: 10-Jul-12
1
Document Number: 57017
For technical questions, contact: sferprecisionpot@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000