RS PRO 21mm Black Potentiometer Dial for 6.35mm Shaft

Brought to you by RS PRO, this knob skirt is designed to fit standard and low profile potentiometer knobs. The skirt features a black stator with a white segment, and the transparent overlay is numbered 1 to 9 in black lettering.

Black stator with transparent skirt numbered 0 to 9
To fit low profile and standard style knobs
A thin nut is supplied with stock No. 465-9915 to facilitate mounting, the thread is 3/8 x 32 tpi (9.52 mm).
To fit low profile and standard style knobs

There are many different uses of a potentiometer. The three main applications of a potentiometer are:

• Comparing the emf of a battery cell with a standard cell
• Measuring the internal resistance of a battery cell
• Measuring the voltage across a branch of a circuit

RS PRO is our own brand range and brings you a wide range of high-quality, great value products offering you more choice. Trusted by engineers all over the world, every part of every RS PRO product has been rigorously tested against demanding industry standards; they’re only given the RS PRO seal of approval if we’re confident of their exceptional quality, which means you can be confident too.

A selection of black high-quality compression mouldings with brass bushes suitable for inch diameter spindles. The knobs are recessed to accommodate control mounting nuts, except the Standard inch version, which also has a 6BA grub-screw. All other knobs have 4BA grub-screws.

Shaft Fitting & Skirts

Control Knobs in (6.35mm) Shaft Fitting