Model 21 Datasheet

Model 21
www.vishay.com
Vishay Spectrol
46.02 mm Diameter 15 Turn Dial
FEATURES
• Round vernier scale
• 1 13/16" dia.
• 1/4" or 1/8" or 6 mm metric bore shaft adapter
• Satin chrome finish with black markings
• Black chrome finish with white markings
• Brushed chrome finish with black markings
QUICK REFERENCE DATA
Sensor type
Market appliance
• Material categorization: For definitions of compliance
please see www.vishay.com/doc?99912
DIALS
Industrial
Dimensions
46 mm dia.
MECHANICAL SPECIFICATIONS
OPERATIONAL SPECIFICATIONS
PARAMETER
1499 turns total
The number in window (0 thru 14)
Readout and operation indicates completed number of turns of
the drive sleeve. Graduated circular dial
indicates the percent of the partial
turn of the drive sleeve
Direct to shaft with # 4 to 40
hex socket set screw located
adjacent to no. 75 on graduated dial
Mounting
Numeral size:
Counter wheel:
Graduated dial:
0.90" H x 0.013" W (2.29 cm x 0.33 cm)
0.109" x 0.018" (2.77 cm x 0.46 cm)
Graduation size:
Numeral and every
Fifth
Intermediate
Width
Transfer point
The number in center of window shall
change as graduated dial rotates
between 94 and 0
Rotation
Readout shall increase with clockwise
and decrease with counterclockwise
rotation
Accuracy
Zero blacklash between graduated dial
and the drive sleeve
0.55" L (1.40 cm)
0.035" L (0.89 cm)
0.012" (0.30 cm)
Weight
3.0 max. (85.05)
DIMENSIONS in inches (millimeters)
MOUNTING FACE
DRIVE SLEEVE
COUNTING DIAL
BRAKE LEVER
1.094 R MAX.
(27.79)
± 0.015
1.000
(25.40)
22°
± 5°
± 5°
46°
TURNING KNOB
0.562
(14.27)
0.094
(2.39)
0.125
(3.18)
± 0.000
- 0.015
± 0.001
0.046
(1.17)
0.128
(3.25)
± 0.001
0.250 - 0.000
Ø
(6.35)
± 0.005
0.390 - 0.000
Ø
(9.91)
SET SCREW*
0.268
(6.81)
Ø 1.812 P
(46.02)
± 0.015
BASE
GRADUATED DIAL
± 0.015
0.578 - 0.000
(14.68)
*SET SCREW LOCATION AT
NO 75 ON DIAL FACE
± 0.031
0.922
(23.42)
ORDERING INFORMATION/DESCRIPTION
21
A
11
B010
e
MODEL
SHAFT DIAMETER AND ACCOMODATION
FINISH AND OTHER FEATURES
PACKAGING
LEAD FINISH
A 1/4" shaft (standard)
B 6 mm metric bore shaft adapter
C 1/8" Shaft adapter
11. Satin chrome, black markings
21. Black chrome, white markings
31. Brushed chrome, black markings
Example: 21 - A - 11
SAP PART NUMBERING GUIDELINES
21
A
11
B10
MODEL
SHAFT DIAMETER
FINISH
PACKAGING
Revision: 05-Jul-12
Document Number: 57088
1
For technical questions, contact: [email protected]
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
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Revision: 02-Oct-12
1
Document Number: 91000