HC-020K is a high resolution, short response speed, wide voltage switch output speed measuring module, with black encoder can measure motor speed (Now provide the encoder type D, hole diameter is 4 mm. Can be used to output shaft is 4 mm motor).
Working voltage: 4.5V to 5.5 V.
Transmit tube pressure drop: Vf = 1.6 V
Transmit tube current: 20 mA
Signal output: A, B two way; The TTL level
Distinguish precision: 0.01 mm
Measurement frequency, 100 KHZ
Encoder diameter: 24 mm
Encoder type D hole diameter: 4 mm
The encoder resolution: 20 line
Speed measuring sensor configuration: The configuration can measures 1 road motor speed