APH Tactile Demonstration Thermometer
The verdict
The thermometer presents both scales in large print and braille against a high-contrast background, with distinct tactile markings every 5 and 10 degrees and a two-textured, two-color adjustable 'mercury column' with an easy-grip indicator. A student slides the column to a temperature, compares Celsius against Fahrenheit, and estimates values between the marks — temperature as something felt and moved, not just recited.
APH Tactile Demonstration Thermometer — about $119 · star rating unverified in our research (specialty-retailer product) · Blind pick — the teaching thermometer: a hands-on Fahrenheit-and-Celsius scale that a blind or low-vision student can read, set, and compare by touch.
Specs
- Fahrenheit + Celsius scales in large print and braille
- Adjustable two-texture 'mercury column' with easy-grip indicator
- Tactile markings every 5 and 10 degrees
- Available in UEB and Nemeth braille
- Federal quota eligible; print + braille guidebooks included
Blind details
For a blind buyer, this is a classroom and home-school tool, and the page says so: it teaches temperature concepts, it does not take a body temperature or check a roast. The buyer here is a parent, a teacher, or a student learning measurement — and for that job, the tactile column and the dual-scale layout are exactly the point.
Honest caveats: do not buy this expecting a cooking or medical thermometer — it measures nothing, it demonstrates temperature. Small parts carry a choking-hazard warning for children 5 and under without supervision. As of October 2026 APH listed it at $119 in UEB and Nemeth braille versions.
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Last reviewed: October 2026.