Optical propeller tachometer. FeaturesOptical read accurate to +/- 1 .

Optical propeller tachometer. How to Develop an Arduino-Based Optical Tachometer In this post, I’ll explain how to develop an Arduino-Based Optical Tachometer that measures the speed of a brushless propeller. Amazon. No calibration necessary. ) that drives my prop and need to monitor both engine and propeller rpm. com: propeller tachometer2-in-1 Digital RPM Tachometer | Non-Contact Photo Sensor Tachometer 3~99,999RPM and Contact RPM Gauge Tester 3~19,999RPM Tach Speed RPM Meter with 4 Contact Probes, Data Hold, Max/Min, Backlit LCD. It utilizes powerful micro-computer resources and state of the art optical detection circuitry. It's usable inside or outside the cockpit for convenient operation and measures propeller speed to within 1 RPM at any power setting. Operation? It's easy: Simply switch on, select the number of prop blades, and go. Just point it at the propeller or rotor TruTach II Digital Propeller Tachometer The new all digital TruTach II works on production aircraft as well as ultra-light and homebuilt applications with no connection to the aircraft necessary. The Hangar 9® Micro Digital Tachometer is engineered using the latest technology. oo nprxk br7x sudmzl cgejc y2l 58 hnrlpzw 4zsk thda