SMT18E3 SMT18E4 superior quality, durable 
 SMT18E1 SMT18E2 SMT18E3 SMT18E4 
 SMT18E4P SMT18E5 SMT18T SMT18T1 
 SMT18T2 SMT18T3 SMT18T3P SMT18T4 SMT18T5 

 SMT18E Series Intelligent AC power digital display is a composite parameter measurement for the exchange of electricity smart meters, the product can simultaneously measure three-phase or single phase AC circuit in each phase voltage, current, active power, reactive power, apparent power, power factor, frequency, active power, reactive power and harmonic degrees and dozens of parameters. Control device has an integrated mini-computer, digital signal processing chips, high brightness LED digital display, operating buttons, and switching power supply, can alone measure, display, settings, etc, this product is also equipped with a standard digital communication interfaces, analog input / output interface and digital input / output interface that enables remote sensing, remote control, remote, remote adjustment, setting and other functions. As the small, multi-function, high precision, stable performance, can be used in a variety of AC electrical measurement occasions, measurement, and remote meter reading, monitoring and management. 

 SMT18E Series Intelligent AC power digital display, there are four specifications: 
 SMT18E1 three-way (phase) AC voltage and current digital display table 
 SMT18E2 integrated single-phase AC power digital display table 
 SMT18E3 integrated three-way single-phase AC power digital display table 
 SMT18E4 three-phase AC power integrated digital display table 
 Comprehensive three-phase AC power SMT18E4P (PROFIBUS interface) digital display table 
 SMT18E5 three-phase AC power and harmonic integrated digital display table 

 SMT18E Series Intelligent AC power digital display has the following characteristics: 
 No transmitter, AC signals can directly access the (low), or access by transformer (high pressure) 
 Measure and display three phase / single phase AC circuit rms voltage of each phase (V1, V2, V3, V12, V23, V31) 
 Measure and display three phase / single phase AC circuit current rms per phase (I1, I2, I3) and zero sequence current (In) 
 Measure and display three phase / single phase circuit per phase active power (P1, P2, P3) and three-phase total active power (P) 
 Measure and display three phase / single phase circuit per phase reactive power (Q1, Q2, Q3) and three-phase total reactive power (Q) 
 Measure and display three phase / single phase circuit per phase apparent power (S1, S2, S3) and three-phase total apparent power (S) 
 Measure and display three phase / single phase circuit per phase power factor (PF1, PF2, PF3) and three-phase total power factor (PF) 
 Measure and display the communication loop frequency (f) 
 Measure and display three phase / single phase AC circuit, the total output active power (EPi) and total output active power (EPo) 
 Measure and display three phase / single phase AC circuit inductive reactive power of total degree (EQind) and capacitive reactive power of total degree (EQcap) 
 Able to analyze each phase voltage and current total harmonic content and harmonic components 2 to 32 and three-phase voltage and current unbalance 
 24-bit resolution ADC, voltage, current accuracy of better than 0.2%, power, energy accuracy better than 0.5% 
 To adapt to three-phase four-wire, three-wire three-phase CT, three-phase three-wire two CT, single-equivalent range of applications 
 Set in panel PT, CT ratio, able to adapt to all high, medium and low voltage AC measurements 
 Highlight the large-size LED digital display screen display 
 Built-in RS232/485 or PROFIBUS communication interface, provides MODBUS or PROFIBUS-DP communication protocol 
 Built-in real-time clock, provides year, month, day, hour, minute, second information, with a battery, to ensure continuous and stable operation of the clock 
 Optional analog input, analog output, digital input, digital output interfaces such as expansion of auxiliary 
 Ultra-small size, Standard Instrument Size: 96mm (high) × 96mm (width) × 70mm (D) 


 SMT18T Series Intelligent AC power liquid crystal sheet is a comprehensive parameter measurement for the exchange of electricity smart meters, the product can simultaneously measure three-phase circuit in each phase voltage, current, active power, reactive power, apparent power, power factor, frequency, active power, reactive power and harmonic degrees and dozens of parameters. Control device has an integrated mini-computer, digital signal processing chip, the Chinese character LCD display, operating buttons, and switching power supply, can alone measure, display, settings, etc, this product is also equipped with a standard digital communication interfaces, analog input / output interface and digital input / output interface that enables remote sensing, remote control, remote, remote adjustment, setting and other functions. As the small, multi-function, high precision, stable performance, can be used in a variety of AC electrical measurement occasions, measurement, and remote meter reading, monitoring and management. 

 SMT18T Series Intelligent AC power LCD meter has four specifications: 
 SMT18T1 three-way (phase) AC voltage and current liquid crystal display table 
 SMT18T2 integrated three-way single-phase AC power liquid crystal display table 
 SMT18T3 three-phase AC power integrated liquid crystal display table 
 Comprehensive three-phase AC power SMT18T3P (PROFIBUS interface) liquid crystal display table 
 SMT18T4 more comprehensive inspection area liquid crystal display table 
 SMT18T5 three-phase AC power and harmonic integrated liquid crystal display table 

 SMT18T Series Intelligent AC power LCD meter has the following characteristics: 
 No transmitter, AC signals can directly access the (low), or access by transformer (high pressure) 
 Measure and display three phase / single phase AC circuit rms voltage of each phase (V1, V2, V3, V12, V23, V31) 
 Measure and display three phase / single phase AC circuit current rms per phase (I1, I2, I3) and zero sequence current (In) 
 Measure and display three phase / single phase circuit per phase active power (P1, P2, P3) and three-phase total active power (P) 
 Measure and display three phase / single phase circuit per phase reactive power (Q1, Q2, Q3) and three-phase total reactive power (Q) 
 Measure and display three phase / single phase circuit per phase apparent power (S1, S2, S3) and three-phase total apparent power (S) 
 Measure and display three phase / single phase circuit per phase power factor (PF1, PF2, PF3) and three-phase total power factor (PF) 
 Measure and display the communication loop frequency (f) 
 Measure and display three phase / single phase AC circuit, the total output active power (EPi) and total output active power (EPo) 
 Measure and display three phase / single phase AC circuit inductive reactive power of total degree (EQind) and capacitive reactive power of total degree (EQcap) 
 Able to analyze each phase voltage and current total harmonic content and harmonic components 2 to 32 and three-phase voltage and current unbalance 
 Measurement of active power can be divided into time slots, multi-rate required to adapt to the occasion 
 24-bit resolution ADC, voltage, current accuracy of better than 0.2%, power, energy accuracy better than 0.5% 
 To adapt to three-phase four-wire, three-wire three-phase CT, three-phase three-wire two CT, single-equivalent range of applications 
 Set in panel PT, CT ratio, able to adapt to all high, medium and low voltage AC measurements 
 All Chinese display user interface, bright blue backlit LCD display 
 Built-in RS232/485 or PROFIBUS communication interface, provides MODBUS or PROFIBUS-DP communication protocol 
 Built-in real-time clock, provides year, month, day, hour, minute, second information, with a battery, to ensure continuous and stable operation of the clock 
 Optional analog input, analog output, digital input, digital output interfaces such as expansion of auxiliary 
 Ultra-small size, Standard Instrument Size: 96mm (high) × 96mm (width) × 70mm (D)