| 
				 Model and name  | 
			
				 Precision ( level )  | 
			
				 Reference voltage (V)  | 
			
				 Calibration current (A)  | 
			
				 Wiring  | 
			
				 Packing size (mm)  | 
			
				 Quantity ( only )  | 
		
| 
				 
					DDSY3015 single - phase electronic prepaid watt - hour meter  | 
			
				 1.0 2.0  | 
			
				 220  | 
			
				 1.5(6)  | 
			
				 Mutual inductance  | 
			
				 450×290×390  | 
			
				 20  | 
		
| 
				 2.5(10),5(20),10(40)  | 
			
				 Direct type  | 
			
				 450×290×390  | 
			
				 20  | 
		|||
| 
				 15(60),20(80),30(100)  | 
			
				 Direct type  | 
			
				 450×290×390  | 
			
				 20  | 
		|||
| 
				 
					DDSY3015 single - phase electronic prepaid watt - hour meter  | 
			
				 1.0 2.0  | 
			
				 220  | 
			
				 1.5(6)  | 
			
				 Mutual inductance  | 
			
				 450×290×390  | 
			
				 20  | 
		
| 
				 2.5(10),5(20),10(40)  | 
			
				 Direct type  | 
			
				 450×290×390  | 
			
				 20  | 
		|||
| 
				 15(60),20(80),30(100)  | 
			
				 Direct type  | 
			
				 450×290×390  | 
			
				 20  | 
		|||
| 
				 
					DDSY3015 single - phase electronic prepaid watt - hour meter  | 
			
				 1.0 2.0  | 
			
				 220  | 
			
				 1.5(6)  | 
			
				 Mutual inductance  | 
			
				 450×290×390  | 
			
				 20  | 
		
| 
				 2.5(10),5(20),10(40)  | 
			
				 Direct type  | 
			
				 450×290×390  | 
			
				 20  | 
		|||
| 
				 15(60),20(80),30(100)  | 
			
				 Direct type  | 
			
				 450×290×390  | 
			
				 20  | 
		|||
| 
				 
					DDSY3015-G single-phase electronic type  | 
			
				 1.0 2.0  | 
			
				 220  | 
			
				 1.5(6),2.5(10),5(20),10(40)  | 
			
				 Direct type  | 
			
				 450×290×390  | 
			
				 20  | 
		
| 
				 15(60),20(80),30(100)  | 
			
				 Direct type  | 
			
				 450×290×390  | 
			
				 20  | 
		|||
| 
				 
					DDSY3015 type-D single-phase electronic  | 
			
				 1.0 2.0  | 
			
				 220  | 
			
				 1.5(6),2.5(10),5(20),10(40)  | 
			
				 Direct type  | 
			
				 450×290×390  | 
			
				 20  | 
		
| 
				 15(60),20(80),30(100)  | 
			
				 Direct type  | 
			
				 450×290×390  | 
			
				 20  | 
		

 CN