NTE Electronics 15 Catalog Page
Features
• 3 digit or 4 digit types
• 2 No. 4−40 hex socket set screws for mounting
• Brake lever knob
• Open window display
• Satin clear anodize finish
Spectrol Model 15
Dial − 1” x 1 3/4” rectangular, 1/4” dia
shaft
Spectrol No. NTE Part No.
15−1−11 503−0001 3 Digit 10 D1
15−2−11 503−0002 4 Digit 100 D1
Numeric
Display
No. of
Turns
Diag
No.
D1
.750
(19.05)
.250
(6.35)
Dia
.750
(19.05)
.812 (20.62) Min
.640 (16.26)
.175
(4.45)
.333
(8.46)
.495
(12.57)
Dia
.695
(17.65)
Dia
.128 (3.25) Dia
(No. 30 Drill)
C Component Shaft Hole
L
.530
(13.46)
1.060 (26.92)
Max
1.000
(25.4)
Travel
OFF
Set Screws (2 Places)
90° Apart
4 Wheel VersionMounting Hole Pattern
1.750
(44.45)
1.950
(49.53)
Brake Lever Knob
ON
Specifications
Operation
3 Digit (10 turn): The left digit indicates the number of complete
revolutions of the turning knob and the right two digits indicate the
percent of a revolution. The unit registers a total count of 999.
4 Digit (100 turn): The left two digits indicate the number of complete
revolutions of the turning knob and the right two digits indicate the
percent of a revolution. The unit registers a total count of 9999.
Minor Scale Division: 1/500 turn
Indication: 0 to 9.99 turn (3 Digit), 0 to 99.99 (4 Digit)
Accuracy: ±0.2% of knob position
Rotation: The indication shall increase with clockwise rotation.
Transfer Point: between 9.2 and 0
Mechanical
Shaft Bore: 0.250”
Runout: 0.004 in/in (Note 1)
Mounting: The spring detented knob shall be removed using a straight
pull, exposing two No. 4−40 hex socket set screws for mounting the dial
directly to the component shaft (hex key included).
Note 1. Dial to be free running and without binds when axis of drive
sleeve is perpendicular to mounting surface within the
specified dimension.
NTE Electronics, Inc. D Voice (973) 748−5089 D FAX (973) 748−6224 D http://www.nteinc.com
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