Advanced multimeter and assembled attachment for real time motor speed measurement. It works on all brushless motors available at our site.
The RPM measurement tool is based on frequency measurement. Advanced multimeter could be also used for all other measurements in your experiments and beyond.
If you already have a multimeter that can measure the frequency in Hz you might be interested in a standalone RPM measurement attachment. Please be advised though that some multimeters cannot properly register the signal from the measurement attachment and we cannot guarantee that your multimeter will work correctly.
If you want to measure rotational speed of the conventional motor (kits #15-17 or any other similar design with rotating coil in the magnetic field) you might choose RPM measurement tool #2 (either as a complete kit or an attachment).
Requires one standard 9 Volts battery and four AA batteries (not included).