DZC-02C local tachometer is a digital display instrument with intelligent design, which has the characteristics of high precision, stable performance, strong anti-interference, high reliability and simple operation. Users can set the number of teeth, speed ratio A:B, alarm value and other parameters of the instrument by pressing buttons on site according to different conditions. Up to three alarm switch contact outputs can be achieved, and the alarm contacts can be locked. It is suitable for the speed measurement requirements of power plant steam turbines, industrial steam turbines, water pumps and fans. Before using the instrument, the user's professional personnel should use the buttons to set it after being familiar with the detailed instructions of this instrument.

 

2. Technical parameters

2.1. Measuring range: 20~15000 rpm

2.2. Measuring accuracy: 1 turn ±1 word;

2.3. Input signal: 50mv~30V pulse or sine signal;

2.4. Display mode: 5-digit 0.8-inch red LED digital tube display;

2.5. Tooth number setting: arbitrarily set within 1~200;

2.6. Coefficient setting: arbitrarily set within 1~200;

2.4. Alarm output: relay normally open, normally closed contact output, contact capacity AC250V /1A, DC28V /2A;

2.5. Current output: active DC (4~20)mA accuracy ±1.0% (at 25℃); maximum load 500Ω;

2.6. Buffer output: sensor original signal output (TDM signal);

2.7. Power supply: (85 ~265)VAC, frequency 50Hz; power consumption <10W;

 

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