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MODEL 21P SENSORS - POSITION: ANGULAR AND LINEAR0 pages
MODEL 21P
www.vishay.com
Vishay Spectrol
46.0 mm Diameter Eleven Turn Dial
FEATURES
• Round vernier scale
• 1 13/16" dia. (46.0 mm)
RoHS
• Material: plastic ABS mold
COMPLIANT
• Finish: metallized clear (aluminum)
• Material categorization: For definitions of compliance
please see www.vishay.com/doc?99912
QUICK REFERENCE DATA
Sensor type
Market appliance
Dimensions
DIALS
Industrial
46 mm dia.
MECHANICAL SPECIFICATIONS
Direct to shaft with # 4 to 40 unc hext socket set screw located adjacent to no. 75 on graduated
dial
Mounting
Numeral size:
Counter wheel
Graduated dial
Graduation size:
Numeral and every fifth
Intermediate
Width
Weight
1/ " x 1/ " (2.0 mm x 1.6 mm)
12
16
1/ " x 1/ " (3.2 mm x 2.0 mm)
8
12
1/ "
12
1/ "
24
(2.0 mm)
(1.0 mm)
0.01" (0.2 mm)
13 g
OPERATIONAL SPECIFICATIONS
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
The number in center of window shall change as graduated dial rotates between 98 and 0
Readout shall increase with CW and decrease with CCW rotation
Zero backlash between graduated dial and drive sleeve
Readout and operation
Transfer point
Rotation
Accuracy
DIMENSIONS in millimeters (inches)
PANEL
POTENTIOMETER
10 TURN MAX.
0.625"
(15.9 mm)
0.96"
(24.6 mm)
NUT
DRILL 0.125 ON RADIUS 0.5625
(3.175 mm)
(14.3 mm)
ORDERING INFORMATION/DESCRIPTION
21P
A
11
BO10
e
MODEL
SHAFT DIAMETER AND ACCOMODATION
FINISH
PACKAGING
LEAD FINISH
A 1/4" shaft (standard)
B 6 mm shaft
Metallized clear (aluminium)
Example: 21P - A - 11
SAP PART NUMBERING GUIDELINES
21P
A
11
B10
MODEL
SHAFT DIAMETER
FINISH
PACKAGING
Revision: 10-Jul-12
Document Number: 57017
1
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
