Rotor Master
This item is being replace with the Rotor Master V2 What I have in stock is all I have left This is a device to measure the strength of your 540 motors spec rotors. Features & Specifications:Power range 7-12v (2s or 3s battery, or 12v power supply)Measures 3 area of your rotor strength (left, right and middle)Measures current and max value of rotor in 3 areasLCD ScreenHandcrafted in the USA!Comes with protective boxTested and calibrated by me before it ships out Measuring range from 0 - 1850 GaussPlease note that you will need a power lead to power on this device. This device does not have reverse polarity protection, do not plug it in backwards! No warranty will be offered if it is plugged in backwards, just like an ESC. Each device is powered on and programmed after the wires are soldered on. Which means that the device leaves my facility in working order. This unit is calibrated to my equipment and may not read the same as your equipment. There is no standard in the RC industr