The sudden acceleration of rotating machinery, especially steam turbine, is one of the most dangerous situations, which may bring disastrous results. It is very important to measure the speed up and down in the starting and stopping stage of the unit and pass the critical speed quickly.
VB-Z440S speed monitoring protection instrument can monitor the axis speed of rotating machinery for a long time, suitable for various types of rotating machinery. VB-Z440S speed monitoring protection instrument is a single channel instrument, with magnetoelectric speed sensor.
· Input power protection function.
· You can set alarm parameters, range, relay delay and other parameters by pressing the button.
· The set parameters will not be lost after power loss.
· Sensor break detection, sensor break, block relay output, OK light out.
· Sensor signal buffered output.
· Lock the relay output within 10 seconds after power-on.
