اندازه گیری روغن موتور سنسور سرعت چرخش، انبساط حرارتی

Measuring oil engine Rotational Speed Sensor , thermal expansion JM-X-3 Series Intelligent Travel Monitoring and Protection Device Use This series of devices specially designed for monitoring and measuring oil engine, thermal expansion, power limiter, synchronizer, activated value and etc., in various ratating mechanisms, it can also automatically give alarm signals, protective shut-down signals and 4~20mA current output. Functions 1.Highly Inteligent,all parameters can be