Model 21P
Vishay Spectrol
46.0 mm Diameter Eleven Turn Dial
FEATURES
• Round vernier scale
• 1 13/16" dia. (46.0 mm)
• Material: Plastic ABS mold
• Finish: Metallized clear (aluminum)
RoHS
COMPLIANT
MECHANICAL SPECIFICATIONS
Direct to shaft with # 4 - 40 unc hext socket set screw located
Mounting
adjacent to No. 75 on graduated dial
Numeral Size:
Counter Wheel
Graduated Dial
1
/
12 x 1/16" (2.0 x 1.6 mm)
1/8 x 1/12" (3.2 x 2.0 mm)
Graduation Size:
Numeral and Every Fifth
Intermediate
1
1
/
/
12" (2.0 mm)
24" (1.0 mm)
Width
0.01" (0.2 mm)
Weight
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
Readout and Operation
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
Zero backlash between graduated dial and drive sleeve
Accuracy
DIMENSIONS in millimeters (inches)
0.96"
(24.6 mm)
0.625"
(15.9 mm)
PANEL
POTENTIOMETER
10 TURN MAX.
NUT
DRILL 0.125 ON RADIUS 0.5625
(3.175 mm)
(14.3 mm)
ORDERING INFORMATION/DESCRIPTION
21P
A
11
BO10
PACKAGING
e
MODEL
SHAFT DIAMETER AND ACCOMODATION
FINISH
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
www.vishay.com
176
For technical questions, contact: sfer@vishay.com
Document Number: 57017
Revision: 23-Jan-07