SBS-01RO: Optical RPM Sensor

USE:
Indicates the number of rotations of the item (propeller, rotor, etc.) to which it is attached.

RANGE:
360 ~ 300,000 RPM/blades

LENGTH:
160 mm
6.3 in

WEIGHT:
4.9 g
0.173 oz

VOLTAGE:
DC 3.7 ~ 7.4V

THE SBS-01RO IS NOT OPTIMAL FOR HELICOPTER USE DUE TO THE LARGE DISTANCE BETWEEN THE ROTOR AND SENSOR, AS A RESULTS, THE READING CAN BE UNSTABLE. WE RECOMMEND THE SBS-01RM MAGNETIC SENSOR BE UTILIZED FOR HELICOPTERS.

Manual available here.