PP7777-□ series digital frequency meter
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Summary & Application: PP7777-□ series digital frequency meter is mainly used to measure and display the frequency value of the voltage in a real-time manner in the single phase power circuit. It can far-transmit the measured voltage frequency value via RS485 interface or analog transmitting output interface. It has high accuracy, good stability, free adjustment for long-work, setting parameters on set and so on features.
Characteristics:
◆It can measure and display the frequency value in the electrical circuit in a direct reading method.
◆Extendible for analog quantity output function, transmitting specification of 4~20mA, 0~20mA, 0~10mA which is optional.
◆Extendible for switch quantity output function for the relay, realizing upper/lower-limit alarming output.
◆Extendible for RS-485 communication interface, adopting the standard ModBus-RTU communication protocol and the baud rate can be set.
◆Parameters including the upper/lower-limit alarm value, alarming return difference, communication address of the meter, baud rate, transmitting output mode, transmitting output range, etc., are programmable.
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