The ARS301 stage is a precise rotary positioner
featuring Aerotech’s patented sub-arc second resolution
drive mechanism. By depressing the release plunger, the rotary
ring of the ARS301 can be quickly positioned to the approximate
desired angle. It can then be fine-tuned with either the coarse
or fine adjustment knob over a range of 10 degrees or 30 minutes,
respectively. The fine thimble has a 32-division reference scale
for convenience in positioning.
An engraved dial with a six-minute vernier is standard on all
tabletops. Due to the absence of any gearing in the ARS301’s
drive mechanism, the stage is backlash free.
The ARS301 has a 68 mm (2.68 in) clear aperture. If a solid mounting
surface is required, the ARS301TT is available. The ARS301TT has
a grid of M6 mounting holes on 25 mm centers. The ARS301 is made
of aluminum with a black anodized finish and weighs 1.36 kg (3
lb).
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