PZEM 004T Maximum 100A AC Multifunction Power Monitoring Communications Module Monitor ModuleManual Click here to openDescription AC multifunction power monitoring communications module Measure voltage current power power maximum 100A Function 1 Electrical parameter measurement function voltage current active power power 2 The power button clear function 3 Power down data storage function cumulative power down before saving 4 PC PC display function display voltage current active power power 5 The serial communication function comes with TTL serial interface through various terminals to communicate with the adapter plate read and set the parameters Precautions 1 This module is suitable for indoor not outdoor use 2 applied load should not exceed the rated power 3 The wiring can not be wrong Specifications 1 Working voltage 80 260VAC 2 Test Voltage 80 260VAC 2 Rated power 100A 22000W 3 Operating frequency 45 65Hz 4 Measurement accuracy 1 0Package included 1x PZEM 004T Maximum 100A AC Multifunction Power Monitoring Communications Module Monitor Module