Dongfang Yoyik is manufacturer of Rotational Speed Monitor DF9011 Pro. We offer genuine speed monitor for power plant users. It provides reliable measurement of rotating speed to protect the steam turbine.
Parameters' observation and setting are configured by keyboard on panel;
Inquiry of instrument's basic parameters;
Indicate and output instrument's state;
Provide multilevel protection and 0 rotating-speed control;
Self-test and self-check functions;
Overvoltage protection and short-circuit protection.
DF9011 Pro rotational speed monitor, also called as precision transient speed monitor, is a new product designed and developed for rotating machine's rotating speed. DF9011 Pro rotational speed monitor is an intelligent instrument which based on advanced DSP processor. It can continuously inspect machine's rotating speed to protect the rotating machine, with the input signal from magneto-electric sensor or magnetic reluctance sensor or eddy-current sensor.
Power Supply: 85~265V
Rated Power: 15 watts
Contact capacity: 220V AC, 2A
Working Temperature: -10~60℃
Working Humidity: ≤95%
It can continuously inspect machine’s rotating speed;
Parameters’ observation and setting can be configured by the keyboard on panel;
Has perfect self-test and self-check functions;
Can inspect whether sensors and cable work correctly to avoid unusual shutting down of the equipment caused by the relay’s misoperation;
Can work reliably and steadily at a wide range of supply voltage from 85 to 265V.
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