DTSF309 (accuracy 1.0) three-phase four-wire multi-rate watt-hour meter is a full electronic energy meter, for the reference frequency of 50HZ three-phase four-wire system were measured tip, peak, Pinggu and total electricity.
Products meet GB / T15284 and GB / T17215 standards.
1、 the clock error: less than 0.5s
2、 power-down state to maintain the current clock 8Ma
3、 to allow continuous power outage time: 3 years
4、 time switching error: less than 1Ms
5、 infrared communication distance: 5m
6、 RS-485 communication distance: 1000m
7、 to allow the number of RS-485 terminals: 1-32 months
| 
				 Model and name  | 
			
				 Accuracy (level)  | 
			
				 Reference voltage (V)  | 
			
				 Calibration current (A)  | 
			
				 Wiring  | 
			
				 Packing size(mm)  | 
			
				 Quantity (only)  | 
		
| 
				 DTSF309 Three-phase four-wire multiple rates Meter  | 
			
				 1.0 2.0  | 
			
				 3×220/380  | 
			
				 1.5(6)  | 
			
				 Mutual inductance  | 
			
				 
					  | 
			
				 
					  | 
		
| 
				 5(20),10(40) 15(60),20(80),30(100)  | 
			
				 Direct type  | 
			
				 
					  | 
		||||
| 
				 DTSF309 Three-phase four-wire multiple rates Energy Meter (with RS485)  | 
			
				 1.0 2.0  | 
			
				 3×220/380  | 
			
				 1.5(6)  | 
			
				 Mutual inductance  | 
			
				 
					  | 
		|
| 
				 5(20),10(40) 15(60),20(80),30(100)  | 
			
				 Direct type  | 
			
				 
					  | 
		

 CN