Multifunctional transmitter HMT300 has 3-phase voltage/current measuring, custom I/O, analog output and RS485 port, which can realize precise measuring and protection for voltage, current and frequency, collect and upload function for active power, reactive power and accumulated energy. It can be widely used for various generation, distribution and electric equipment.
Mainfunctions and characteristics
● With under/over voltage, under/over frequency, reverse power, over power and overcurrent protection functions
● Current detection alarm makes it possible to do 3 times over current detection and corresponding alarms
● With voltage harmonic test function, each phase voltage harmonic distortion rate and 3-31 times harmonic can be tested
● With current harmonic test function, each phase current harmonic distortion rate and 3-31 times harmonic can be tested
● Suit for 3P4W, 3P3W, 1P2W, 2P3W power with 50Hz/60Hz system
● With -20mA~+20mA/-10V~+10V analog output function
● Power supply range: (8~35)VDC
● With RS485 communication port
● With high voltage, frequency, current, power and energy measuring accuracy
● With custom MODBUS communication protocol
● With custom combination output function
● With NEL trip function
● Withwarning,tripalarmfunction
Technical Parameter
Typical Application
Overall Dimension and Cutout
