| KPM51Multifunction meter-Technical parameters | 
		
			| Working power source | Operating Voltage | AC85~265V/DC80~300V | 
		
			|  | Rated power | <3VA | 
		
			| Input voltage | Rated voltage | 220V | 
		
			|  | Sill value | 5V | 
		
			|  | Overload capacity | 1.2 times rated voltage allowed, continuous work; 2 times the rated voltage allowed 1second | 
		
			|  | Power consumption | <0.5VA/phase(rated) | 
		
			|  | Measurement range | 5~260VAC, | 
		
			|  | Frequency range | 45~65Hz | 
		
			| Input current | Rated current | Default 5A,Input range 1-6A;Optional 1A,Input range 1-1.2A | 
		
			|  | Sill value | 5A Configuration,5mA;1A Configuration,0.8mA | 
		
			|  | Overload capacity | 1.2 times rated current allowed, continuous work; 20 times the rated current allowed 1 second | 
		
			|  | Power consumption | <0.75VA/phase(Rated current 5A);<0.25VA/phase(Rated current 1A) | 
		
			|  | Frequency range | 45~65Hz | 
		
			| Input/Output | Switch value input | 2-way passive main line contact DI input, internal supply DC24V power source | 
		
			|  | Relay output | 2-way DO output,Contact capacity 250VAC/5A,30VDC/5A | 
		
			|  | Analog output | Output range 4~20mA,overload allows 1.2times | 
		
			|  | Temperature input | Measure range 0℃~100℃ | 
		
			| 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) | 
		
			|  | Temperature | ±1℃(1℃) | 
		
			| 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 (Shock) 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 |