028-1-11 Datasheet, PDF (1/2 Pages) Vishay Siliconix – 28 mm Diameter Twenty-One Turn Dial

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Model 28
Vishay Spectrol
28 mm Diameter Twenty-One Turn Dial
FEATURES
• Laser machined markings (e.g. logo) per
customer design
• Shaft bore variations available
RoHS
COMPLIANT
• Special mounting spacers
• Material categorization: For definitions of compliance
please see www.vishay.com/doc?99912
QUICK REFERENCE DATA
Sensor type
DIALS
Market appliance
Industrial
Dimensions
28 mm diameter
TECHNICAL SPECIFICATIONS
Readout and operation
21 turns total
The number in the window (0 thru 20)
indicates the percent of a partial turn
of the drive sleeve
Brake lever
Metal brake operates a
high torque system which actuates
brake
DIMENSIONS in millimeters (inches)
MAX. 24.3 mm
MIN. 16.5 mm
PANEL
Ø 6.35 mm
(0.250")
MECHANICAL SPECIFICATIONS
PARAMETER
Temperature range
- 20 °C to + 50 °C
Operating torque
0.75 oz. - in max.
Weight
23 g
Housing
Metal housing treated
against corrosion
Finish
Aluminum anodized
Bearing
Precision ball bearing for
uniform movement
MARKING
Unit identification
Manufacturer’s name
and model number
BLACK ANODISED ROTOR
25.4 mm. (1.0")
POTS
Ø MAX.
16.0 mm
Ø 28.0 mm
(1.10")
MAX. 6.75 mm
MOUNTING SPACER ANODISED ALUMINUM FINISH
ORDERING INFORMATION/DESCRIPTION
28
A
11
MODEL
SHAFT DIAMETER
FINISH
Example: 28 - A - 11
A ¹/₄" dia. shaft - 1 set screw
B 6 mm metric bore - 1 set screw
C ¹/₈" dia. shaft - 1 set screw
11. Clear satin anodized housing,
black rotor, white markings
21. Black anodized housing,
black rotor, white markings
BO8
PACKAGING
e
LEAD
FINISH
SAP PART NUMBERING GUIDELINES
28
A
MODEL
SHAFT DIAMETER
11
FINISH
B08
PACKAGING
Revision: 10-Jul-12
1
Document Number: 57082
For technical questions, contact: [e-mail]
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