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        • KPM3 1Multifunction meter
        • KPM31 Multifunction meter
        • KPM31 Multifunction meter
        • KPM31 Multifunction meter
        • KPM31 Multifunction meter
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         KPM31 1-phase rail energy meter
        
                        
        
                        
        
                            KPM31 single-phase rail smart meter in full compliance with the national standard GB / T7215-2008 and the international standard IEC62053: 2003 on the 0.5S-class energy meter of the relevant technical requirements, ituse microelectronic tec
                        
        

                        

                       
                    
        
                
        
                
        
                   Overview
                    Function
                    Specifications
                    Wiring Diagram
                    Download
                
        
                
        
                    
        
                            KPM31 single-phase rail smart meter in full compliance with the national standard GB / T7215-2008 and the international standard IEC62053: 2003 on the 0.5S-class energy meter of the relevant technical requirements, it use microelectronic technology and imported large-scale integrated circuits, it also application digital sampling Processing technology and SMT technology and other advanced technology , it can be directly and accurately measure the rated frequency of 50 / 60Hz AC active power, it use LCD7 + 1 bit LCD display, with high reliability, small size, easy installation and so on.
        

        
Application occasion
        
口Energy and energy efficiency management system.
        
口Internal energy consumption statistical analysis and charging statistics basis.
        
口Energy metering, automatic meter reading system.
        
口Intelligent distribution management system.
        

        

        
Example: KPM 31A-1.5（6）:Rated AC220V /1.5A(Max 6A), basic type multi-rate energy statistics, historical energy statistics single-phase guideway type smart meter.
        

                    
        
                
        
                
        
                    
        
                        Basic Functions
        

        
口Measurement of three-phase voltage, current, active power, reactive power, apparent power, power factor, frequency, active energy, reactive energy.
        
口Multi-rate energy statistics, a day can be set up to eight time periods, four kinds of rates.
        
口Historical power statistics function.
        
口Rated current optional.
        
口1 road passive optical coupler collector active pulse output.
        
口1 –way RS485 communication interface, Modbus communication.
        
口7 +1 bit LCD display a variety of power parameters and information.
        
口Built-in clock and maintenance-free battery, battery capacity real-time monitoring, data is permanently saved after power off.
        
口Application of large-capacity magnetic retention relay，Load on-off control.
        

        

        

                    
        
                
        
                
        
                    
        
                        
        
	
		
        
			
				 KPM31Multifunction meter-Technical parameters
		
        
		
        
			
				Input voltage
			
				 Rated voltage
			
				AC 110V/220V
		
        
		
        
			
				 
			
				Overall power consumption
			
				＜5VA/
		
        
		
        
			
				 
			
				Frequency range
			
				45~65Hz
		
        
		
        
			
				Input current
			
				Rated current
			
				1,5（6）A，10（60）A,20(100)A
		
        
		
        
			
				 
			
				Frequency range
			
				45~65Hz
		
        
		
        
			
				Measurement accuracy
			
				Voltage
			
				±0.2%(0.01V)
		
        
		
        
			
				 
			
				Current
			
				±0.2%(0.01A)
		
        
		
        
			
				 
			
				Active power
			
				±0.5%(0.1W)
		
        
		
        
			
				 
			
				Reactive power
			
				±2.0%(0.1kvar)
		
        
		
        
			
				 
			
				Active energy
			
				±0.5%(0.1kWh)
		
        
		
        
			
				 
			
				Reactive energy
			
				±2.0%(0.1kvarh)
		
        
		
        
			
				 
			
				Power factor
			
				±0.5%(0.001)
		
        
		
        
			
				 
			
				Frequency
			
				±0.02Hz(0.01Hz)
		
        
		
        
			
				Clock
			
				 Clock accuracy
			
				<0.5S/D
		
        
		
        
			
				Communication
			
				Communication interface
			
				RS485，Photoelectric isolation interface
		
        
		
        
			
				 
			
				Communication protocol
			
				Modbus-RTU，1200~38400bps
		
        
		
        
			
				 Electrical insulation
			
				Power frequency withstand voltage
			
				AC2kV/min~1mA Input-output-power source （GB/T 13729）
		
        
		
        
			
				 
			
				Insulation resistance
			
				＞50MΩ                            （GB/T 13729）
		
        
		
        
			
				 
			
				 Impact voltage
			
				5kV（Peak），1.2/50us    （GB/T 13729）
		
        
		
        
			
				 Working environment
			
				 Operating temperature
			
				-25℃ ~ +70℃
		
        
		
        
			
				 
			
				Relative humidity
			
				5%~95% No condensation
		
        
		
        
			
				 
			
				Storage temperature
			
				-30℃ ~ +75℃
		
        
		
        
			
				 
			
				 Altitude
			
				No more than 4000m
		
        
		
        
			
				 Electromagnetic Compatibility
			
				 Surge (impact) immunity
			
				GB/T 17626.5-2008，Level4
		
        
		
        
			
				 
			
				Electrical fast burst immunity
			
				GB/T 17626.4-2008，Level4
		
        
		
        
			
				 
			
				Electrostatic discharge immunity
			
				GB/T 17626.2-2006，Level4
		
        
		
        
			
				 
			
				Power frequency magnetic field immunity
			
				GB/T 17626.8-2006，Level4