DTM820 DTM82 ultra-low-cost, value experience 
 DZ81-ME series of integrated power monitoring instrument 
 DZ81-MEUI5C 
 DZ81-MEDP5C 
 DZ81-MEDH5C 
 DZ81-METZ5C 

 Three-phase composite parameter table 
 DZ81-MS3UI5E3 
 DZ81-MS3UI5C 

 Three-phase ammeter 
 DZ81-MS3I2E3 
 DZ81-MS3I5E3 

 Three-phase voltage meter 
 DZ81-MS3U2E3 
 DZ81-MS3U5E3 

 Three-phase power meter 
 DZ81-MS3P5E3 
 DZ81-MS3P5C 

 Single-phase synthesis parameters table 
 DZ81-MS1UI2E1 
 DZ81-MS1UI5E1 

 Single-phase ammeter 
 DZ81-MS1I2C 
 DZ81-MS1I2E1 
 DZ81-MS1I3E1 
 DZ81-MS1I5E1 
 DZ81-MS1I1E1 

 Single-phase voltmeter 
 DZ81-MS1U2C 
 DZ81-MS1U3E1 
 DZ81-MS1U5E1 

 JJC-SD a 880 meter multi-function 
 JJC-YD a 880 meter multi-function 
 JJC-□ D-880 multi-function power meter can measure various parameters and energy metering, LCD data display, acquisition and transmission, and with a variety of expansion modules: digital communication module, digital switching modules, power modules, and analog pulse quantitative send output modules can be flexibly chosen. All data and more can be RS-485 communication interface with MODBUS protocol to read the digital input can be used to monitor the switch state, switch the output for remote control, limit alarm; analog transmitter output can replace the traditional transmission device. JJC-□ D-880 multi-meter can be applied to all voltage levels and wiring, low voltage switch cabinet meet a variety of distribution, centralized installation, can be widely used in substation automation, distribution automation, internal energy measurement and management , assessment. 

 Power measurement 
 Phase voltage, line voltage, current, active power, reactive power, apparent power, power factor, frequency, active power, reactive power 

 JJC-Sl a 380 (180) figures show that three-phase ammeter 
 JJC-SI-□ 80 series digital display ammeter for power grid, automatic control system and displayed on the current test has engaged in precision, good stability, resistance to vibration, etc., can directly replace the original pointer instrument. JJC-SI-□ 80 series digital display meter can also use programmable functions, communication functions, transmitter function or alarm function. 

 JJC-SD a 870 meter multi-function 
 JJC-YD a 870 meter multi-function 
 JJC-□ D-870 multi-function power meter can measure various parameters and energy metering, LCD data display, acquisition and transmission, and with a variety of expansion modules: digital communication module, digital switching modules, power modules, and analog pulse quantitative send output modules can be flexibly chosen. All data and more can be RS-485 communication interface with MODBUS protocol to read the digital input can be used to monitor the switch state, switch the output for remote control, limit alarm; analog transmitter output can replace the traditional transmission device. JJC-□ D-870 multi-meter can be applied to all voltage levels and wiring, low voltage switch cabinet meet a variety of distribution, centralized installation, can be widely used in substation automation, distribution automation, internal energy measurement and management , assessment. 

 JJC-Sl a 370 (170) figures show that three-phase ammeter 
 JJC-SI-□ 80 series digital display ammeter for power grid, automatic control system and displayed on the current test has engaged in precision, good stability, resistance to vibration, etc., can directly replace the original pointer instrument. JJC-SI-□ 80 series digital display meter can also use programmable functions, communication functions, transmitter function or alarm function. 

 DPM420 DPM430 EPM420 EPM450 
 EPM420A EPM420E EPM4200 PSM330 
 PSM340 SRTU510 SRTU510P16 SRTU5308 
 SRTU540 SPM6014 


 DPM420: measure voltage, current, active power, reactive power, power factor, frequency, active power and reactive power degree, and digital input output (8DI/3DO), standard RS485 communication interface, MODBUS-RTU communication protocol, Size 161X161 (mm); 0.2% 0.5% (DPM420S) 

 DPM430: DPM420 function with automatic meter reading, unusual records and record the maximum and minimum, standard RS485 communication interface, MODBUS-RTU communication protocol, size 161X161 (mm); 0.2% 0.5% (DPM430S) 

 EPM420; simultaneously measure and display three phase voltage, current, active power, reactive power, apparent power, power factor, frequency, active power and reactive power, precision 0.5%, standard RS485 communication interface, MODBUS-RTU Communication agreement, size 144X144 (mm) 

 EPM450: internal measurements to 31 harmonics. The remaining functions with EPM420; 

 EPM420A: simultaneously measuring and displaying voltage, line voltage, the phase current, neutral current frequency, active power, reactive power, power factor, active power, reactive power degree, the amount of the current to the system, the system the amount of power required, the maximum current Demand, the maximum amount of power required, RS485, MODBUS-RTU communication, accuracy of 0.5%, size 109x109 (mm). 

 EPM420E: simultaneously measuring and displaying voltage, current, frequency, power, power factor, energy, the amount of the current to the system, the system the amount of power required, the maximum amount of current required, the maximum amount of power required, RS485, MODBUS-RTU communication, accuracy 0.5% , size 96x96 (mm). 

 EPM4200: simultaneous measurement and display the phase line, each with high / low, average high / low voltage; each phase, each phase high / low, average high / low current, frequency, active power, reactive power, power factor, total apparent power; each phase and the average phase angle; active, reactive, apparent electrical degrees; Demand; maximum amount of amps to be more than 100 power parameters; accuracy of 0.5%,, RS485, MODBUS-RTU communication, especially the big screen bright LCD display, size 96x96 (mm). 

 PSM330: simultaneous measurement of three-phase voltage and current display, standard RS485 communication interface, MODBUS-RTU protocol 

 PSM340: simultaneous measurement and display the six single-phase current, standard RS485 communication interface, MODBUS-RTU protocol 

 SRTU510: 16 Lu Yao letter (switch) inputs, 6 relay remote control output, standard RS485 communication interface, MODBUS-RTU communication protocol