Bently Nevada 177230-01-01-05 and 177230-01-01-CN, the 177230 series industrial transmitters mainly consist of two parts: vibration speed sensors and function conversion circuits
The electronic overspeed detection system of Bently Nevada's 3500 series mechanical detection system is a highly reliable and responsive redundant tachometer system specifically designed for mechanical overspeed protection. The system complies with the American Petroleum Institute standards 670 and 612 for overspeed protection