Metal pitch gauge / charging model

The Steam metal pitch ruler has a charging function, no longer need to worry about battery failure during use, and comes with a Type-C charging cable, which can provide power to the product at any time. It is suitable for helicopter rotor measurement angle measurement with a propeller thickness of 5mm/8mm/10mm/12mm/14mm. First place the metal pitch ruler in the relatively flat part of the motor or helicopter, and press the ABS/REF key briefly to clear the angle. The angle value obtained by installing the metal pitch ruler on the rotor is the pitch angle.                            Button introduction description: 1. ON/OFF key, on/off. (press and hold for three seconds) The power-on is displayed as the default horizontal angle. 2. ABS/REF key, short press the key, the value returns to zero, liquid crystal display (REF) 0.0° short press the key again, liquid crystal display (ABS) display (ABS) shows the initial horizontal angle. 3. Hold/LSV key, short press for angle lock/long press f