Factory direct QP452, high quality low price 
 QP450/QP451/QP452/QP453 intelligent instrument for increasing distribution of industrial / business users on the intelligent power distribution monitoring requirements introduced in practical products, the use of professional large screen, wide-character LCD display. 
 Smart meters have the power distribution QP450/QP451/QP452/QP453 measurement, analysis, recording, transmission and other electrical parameters measurement and power quality analysis. 
 QP450 large-screen character LCD display; phase I, KWH. 
 QP451 large-screen character LCD display; phase I. 
 QP452-phase large-screen liquid crystal display character V, I, P, Q, S, PF, F, KWH. 
 QP453-phase large-screen liquid crystal display character V, I. 

 QP550 intelligent distribution with full power meter measurement, analysis, recording, transmission and other electrical parameters of a complete power quality measurement and analysis capabilities. 
 QP470/470S low intelligent reactive compensation controller for 400V power supply system, can control 12 group of capacitors, automatic power factor compensation control to achieve. While monitoring, distribution automation monitoring system for the composition. 
 QP470 acquisition phase current, three-phase unbalanced circuit voltage intelligent reactive compensation controller. 
 QP470S collected a phase current, three phase low voltage circuits intelligent reactive compensation controller. 
 QP300/QP301/QP302 single-phase intelligent power distribution unit offers single-phase power measurement, analysis, recording, transmission and other electrical parameter measurement. 
 QP300 phase I, KWh. 
 QP301 phase I. 
 QP302 single-phase V, I, P, Q, S, PF, F, KWh.