Finally! A Caliper You Can Read in Braille!

shows the Metric Braille Caliper being used to measure a piece of pipe

For anyone with sight, calipers are essential tools for school and everyday life.
Students put them to great use for geometry, mathematics and other science and technology subjects.
Calipers can be used in many day-to-day activities.
Craftsmen, artisans and professionals use them for high-quality workmanship.
There has never been a refreshable braille caliper so that people with a vision impairment could obtain the same precision and ease. Now, there is! No more having to estimate based on the width of a hand; measuring one flower pot by lining it up with another one; hoping that the piece of wood you’ve just sawn is even with the last one, or that your knitting needles are the size you think they are.

This braille caliper is uniquely-designed, essential for independent living, and perfect for professional projects. Bring 1mm (1/16-inch) of precision to crafts, carpentry and design work.

What IS a Caliper Anyway and What is It Used For?

The Tactile Caliper is an instrument to measure and draw straight lines with high precision and speed. The 12-inch or 30 cm caliper allows measurements as minuscule as 1 mm or 1/16 of an inch, up to 30 cm or 12 inches. The entire reading is displayed directly in Braille.

Key Features

Measuring

  • 1 mm (1/16-inch) precision; 30 cm (12 inch) range;
  • The caliper opens in steps of 1 mm, (1/16-inch), clicking into position at every step;
  • It can measure up to 300 mm (12 inches).

Braille Display

  • There are markings at each centimeter, (1/4-inch), with Braille numbers every two centimetres, (every inch).;
  • The slider includes a braille counter which updates with each millimetre (16th of an inch), as you move the slider to measure.

Movable Jaws

  • Jaws measure pieces of wood, cylinders and other objects: square, round, oval or anything else;
  • They also clearly indicate the distance for accurate measurement and drawing.

Drawing Edge

  • The edge between open jaws can be used to draw on plastic or paper sheets with an instrument of choice, such as a stylus on a fiber drawing board, or ball-point pen on a rubber board;
  • When inking with a marker, the drawing edge prevents smudging and smearing;

Be creative with any drawing instrument you have!

No-slip Grip

  • Silicone pads prevent slipping on plastic, paper and wood.
  • Why leave that to chance, when every other detail of your measuring is so precise?

Pin Holes

  • Pin Holes at both ends of the caliper enable afixing the device to a cork or rubber drawing board. This is especially useful when training young users.
  • Pin holes on the movable jaws permit locking a location into position, when recording various data during an involved project or homework assignment.

Carry Pouch

  • Each caliper comes in a durable plastic carry pouch.
  • This ensures safe storage of the caliper when carrying it in backpacks, geometry kits and other tools.

shows the 12-inch Braille Caliper being used to measure a piece of paper

Purchase

Our tactile calipers can be purchased in Either metric or Imperial measurement. They come with both English and French instructions.

Purchase the metric caliper on the Metric Braille Caliper product page.
Purchase the caliper in inches on the Braille Caliper in Inches product page.

and don’t forget to leave us a review for a chance to win Tactile Vision Graphics merchandise.
From now till the end of October, 2018, we’ll draw a name every month from all the reviews on the calipers pages for a $25 gift certificate. .

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