The poles per turn is at the motor. The motors vary, you should verify upon receipt. If you look at the encoder data sheet the poles can be several different configurations http://www.superdroidrobots.com/images/encoder-datasheet.jpg. Also depends if you are reading both channels and/or quadrature. tho verify a scope is easiest, but you can use the RoboRun with the RoboteQ, just spin the motors around a set number of times and see what your encoder count is…
related blog topic: https://sdrobots.com/ig3242-52-encoder-interfacing-cpr-calculation/
#encoders