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5 Items

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  1. 503-0004
    503-0004
    NTE Electronics Knobs, 16 Series
    Item Number
    503-0004
    MFG Item Number
    503-0004
    Series
    16
    Product Description
    COUNTING DIAL, 7/8in. DIA, SATIN CHROM
    Specifications
    Specifications
    Package Size 0.875 "
    Number of Turns 15
    Brake Lever Yes
    Shaft Size 0.25 "
    Mounting Set Screw
    Increase
    Decrease
    Availability
  2. 503-0001
    503-0001
    NTE Electronics Knobs, 15 Series
    Item Number
    503-0001
    MFG Item Number
    503-0001
    Series
    15
    Product Description
    Counting Dial, 3-Digit, 10-Turn,
    Specifications
    Specifications
    Number of Turns 10
    Brake Lever Yes
    Shaft Size 0.25 "
    Mounting Set Screw
    Increase
    Decrease
    Availability
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Knobs

A knob is a cap-shaped piece of hardware that slips over a potentiometer or switch. Turning the knob makes adjustments to voltage, or turns equipment on an off.

Knobs and dials are generally marked with an indicator that points to a voltage value. The value can be numbered or represented by an icon or bar that gradually increases in size. Turn the knob in either direction turns the attached potentiometer, adjusting voltage accordingly. They can adjust the speed of a drive or motor, or change the volume on an amplifier.

Counting dials are specific types of knobs that are designed for precision potentiometers. The knob has a built-in counter that indicates the number of turns made. The count is used to dial into a very precise position, and the counting dial can be locked to maintain that position.

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