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
    Photo of Model 15 Dial

    Spectrol No. NTE Part No. Numeric
    Display    		 No. of
    Turns    		 Diag.
    No.
    15-1-11 503-0001 3 Digit 10 D1
    15-2-11 503-0002 4 Digit 100 D1
    Dimensional Drawing

    D1

    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 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 9999.
    Minor Scale Division: 1/500 turn
    Indication: 0 to 9.99 turn (3 Digit), 0 to 99.99 (4 Digit)
    Accuracy: &$177;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: 0.004in/in (Note 1)
    Mounting: The spring detented knob be removed using a straight pull, exposing two No. 4-40 hex 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.

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