Datasheet

25.4 mm Diameter Eleven Turn Dial
Model 11
Vishay Spectrol
www.vishay.com For technical questions, contact: [e-mail]
Document Number: 57085
122 Revision: 24-Jan-07
FEATURES
• Round Vernier Scale
• 1" Diameter
• 1/4" or 1/8" Shaft Adapter
• Black Chrome Finish with White Markings
• Brushed Chrome Finish with Black Markings
• Satin Chrome Finish with Black or White Markings
DIMENSIONS in inches (millimeters)
RoHS
COMPLIANT
MECHANICAL SPECIFICATIONS
PARAMETER
Runout Dial to be free running and without binds, with
axis of drive sleeve perpendicular or in any
position within 0.004 per inch (0.10) out of
perpendicular with the mounting face
Mounting Directly to shaft with #2 - 56 spline socket set
screw. Drive sleeve set screw on lower side of
vertical center line with a graduated circular
dial reading of 0
Numeral Size 0.075 H (1.90) x 0.013 Width (0.33) of line
Graduation Size:
Numeral
Intermediate
Width
0.040 Inches L (1.02 cm)
0.030 Inches L (0.76 cm)
0.010 Inches (0.25 cm)
Weight 0.7 oz maximum (19.84 gm)
OPERATIONAL SPECIFICATIONS
Indication Single counter type wheel and a
graduated circular dial registering a total
count of 11 turns
Operation Single numeral in window (0 thru 10)
indicates completed number of turns of
the drive sleeve. Graduated circular dial
indicates the percent of the partial turn
of the drive sleeve
Transfer Point
Between 97 and 0
Rotation
Increasing indication
Decreasing indication
CW direction
CCW direction
Accuracy Zero blacklash between
dial and the drive sleeve
R 0.625 ± 0.015
(15.9 ± 0.4)
0.225 R
(5.72)
Ø 0.250 + 0.001
(6.35 + 0.025)
Ø 1.00 ± 0.015
(25.4 ± 0.04)
30° ± 5°
50° ± 5°
Counting Dial
Break Lever
Graduated Dial
Base
R 0.630 ± 0.015
(16.16 ± 0.04)
Mounting Face
0.125 (3.18)
+ 0.015 0.000
0.063 (1.60)
0.250 Ø (6.35)
+ 0.001 0.000
0.382
Ø (9.70)
Ø 0.515 ± 0.10
(13.1 ± 0.25)
0.175 ± 0.015
(4.45 ± 0.25)
±
0.040 (1.0)
0.272 (6.91)
+ 0.015 - 0.000
0.510 (12.95)
+ 0.000 - 0.015
0.750 ± 0.015
(19.05 ± 0.4)
Set Screw
Drive Sleeve
Turning Knob
Extension shaft pots to panel mount:
min. 0.550 (14.0) max. 0.750 (19.05)
0.825 ± 0.010
(22.2 ± 0.25)
ORDERING INFORMATION/DESCRIPTION
11 A 11 BO10 e
MODEL SHAFT DIAMETER FINISH AND OTHER FEATURES PACKAGING LEAD FINISH
A 1/4" Shaft (standard)
B 1/8" Shaft adapter
11. Satin chrome, black markings
21. Black chrome, white markings
31. Brushed chrome, black markings
41. Satin chrome, white markings
Example: 11 - A - 11
SAP PA RT NUMBERING GUIDELINES
11
FINISH
B1 0
PACKAGING
A
SHAFT
DIAMETER
11
MODEL