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Economical GHW38 NPN A, B phase Non-slip wheel rotary encoder length measuring sensor
Kindly note: This encoder default is NPN output, A B phase
Description of options:
wheel 200mm:Wheel circumference is 200mm, Diameter:200mm/3.14≈63.7mm
wheel 250mm:Wheel circumference is 250mm, Diameter:250mm/3.14≈79.6mm
wheel 300mm:Wheel circumference is 300mm, Diameter:300mm/3.14≈95.5mm