IISI-RC EXP-RPM2 Brushless Motor Rotation Speed Sensor

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EXP Expanders are connected to the IISI-Link and do not operate stand-alone. Multiple expanders can be connected to the IISI-Link using a Y cable.

The EXP-RPM is a measures rotation speed of brushless motors and - with additionally available sensors - any other rotating propeller or device. It calculates even gear ratios, e.g. in helicopters, so you can see on your Cockpit the true headspeed! A massiv improvement in safety, regarding to a manual metering close to the rotor blades!


  • Brushless motor poles (2-99)
  • Prop blades (1-99)
  • Gear ratio: none to 25.5 : 1
  • Sensor type: Brushless or magnetic/optical
  • Firmware upgradable through Cockpit
  • Size: 25 x 13 x 4mm
  • Weight: 5g

Please Note: Needs Cockpit Software V1.08 or later


Order Code: IISI-EXP-RPM2
Manufactured By IISI-RC