Adafruit Solar Digital Calipers

Key Features:

• Solar powered with battery backup
• Repeatability: 0.1mm / 0.01"
• Plastic jaws not recommended for hot metal measurement
• Charge with any light over 200 lux

Praise the sun!You will never have that awkward situation where your caliper battery dies just when you need to take a measurement. Sure, if you have the budget, we recommend these near-indestructible high-end Mitutoyo calipers. But these are very fine calipers as well. The jaws are plastic, so not good for hot metal measurements or when you need perfectly flat jaws.

In particular, these caught our eye since they are solar-powered and have a battery backup. Perfect for sustainable measuring in the hot desert. Or just when you keep coin batteries stocked at all times. If you're in a lit area (where the lux rating is over 200), the solar panel will power the calipers. Alternatively, if you're in darker surroundings (like in your secret underground lair and the power just went out), the 3V battery will take over. One button converts the measurement from millimeters to inches, and they're perfect for measuring components.

Item Specifics
Range: 0~150mm / 6"
Accuracy: ±0.2mm / ±0.01"
Resolution: 0.1mm / 0.01"
Repeatability: 0.1mm / 0.01"
Maximum measuring speed: 1.5mm / sec, 60" / sec
Power: When light is over 200 lux, the solar panel will activate. When light is under 200 lux, the 3V battery will supply power.
Operating temperature: 0ºC ~ +40ºC
Storage temperature: -20ºC ~ +70ºC

Note: Color of calipers may vary!