| Optical tooling scales provide you with
tremendous targeting flexibility. These easy-to-read, white-face scales allow precise
dimensional measurements accurate to 0.001 of an inch. The targeting system (described
below) is uniquely designed to accommodate all instrument focal lengths from zero to
approximately 75 feet. When coupled with the array of Brunson scale accessories, virtually
any alignment point or surface can be referenced quickly and accurately. Optical tooling scales are comprised of a series of paired-line targets,
repeating at precise 0.100 of an inch intervals. The optical micrometer on an instrument
then divides these intervals into 100 parts, producing a measurement resolution of 0.001
of an inch.
Four distinct sets of paired-line targets, each with its own
spacing, are located every 0.100 of an inch on the scale. Target spacings of 0.005, 0.010,
0.025, and 0.050 of an inch provide accurate reading at various instrument focal lengths.
At close range (2 feet, 6 inches), the scale pattern more
than fills the field of vision. The filar/bi-filar reticle pattern makes it possible to
accurately position a single line between the 0.005 of an inch paired lines. At 10 feet,
the 0.010 of an inch spaced lines are used; at 50 feet, the .050 of an inch spaced lines
are used. As viewing distances increase, the progressively larger target spacings are
used.
Scales are numbered for easy reading, regardless of focal
length. The largest numerals indicate where each inch begins.
For extremely close shots, the smallest numerals designate
the whole inch interval in which you are measuring. Finally, each inch is divided
into 10 equal segments; only the even increments are labeled.
Optical Tooling Scale Specifications
Scale sizes available: Model Calibrated Length Accuracy
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564-3 3 inch ±001 in.
564-5 5 inch ±001 in.
564-10 10 inch ±001 in.
564-20 20 inch ±001 in.
564-40 40 inch ±001 in.
564-80mm 80 mm ±05 mm
564-130mm 130 mm ±05 mm
564-250mm 250 mm ±05 mm
564-500mm 500 mm ±05 mm
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Case: Vinyl sleeve
Approximate Weight: Scale, 1 pound; shipping, 2 pounds
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Available Accessories:
- Magnetic scale holder models 562A and 562-41
- Scale level model 563
- Invar kit model 803
- Vee block models 803-1 and 562-VA
- Split line scale holder model 562-7
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