High Precision Length Measure Counter Tool Kits 0.1 m Resolution + 300mm Wheel

300mm Circumference Length Wheel x 1 Pc. Ambient temperature: 0 ℃ ~ +50 ℃, relative humidity ≤ 85%. No corrosive gases. 1dm resolution Kits. This kits display resolution 1dm ( 0.1m ). Input signal: switch-level pulse (low level:-30V to +0.6 V HIGH: +4 V ~ +30 V).

eBay