Value Zhejiang manufacturers recommend LD-AHX19 LD-AIX1A 
 LD-AIX11 LD-AUX11 LD-AIX12 
 LD-AUX12 LD-AIX19 LD-AUX19 
 LD-AHX19 LD-AIX1A LD-AUX1A 
 LD-AIX1D LD-AUX1D LD-AIX42 
 LD-AUX42 LD-AIX49 LD-AUX49 
 LD-AHX49 LD-AIX4A LD-AUX4A 
 LD-Z5S2 LD-E4S2 LD-E4X2 
 LD-Z5S9 LD-E4S9 LD-E4X9 
 LD-AIB-1 LD-AIB-2 LD-DIB-1 
 LD-DIB-2 LD-AUB-1 LD-AUB-1 
 LD-AUB-2 LD-DUB-1 LD-DUB-2 
 LD-AIB-3Y LD-AUB-3Y 

 Single-Phase 
 A trough: LD-AIX11, LD-AUX11 
 2 square: LD-AIX12, LD-AUX12 
 9 Square: LD-AIX19, LD-AUX19, LD-AHX19 
 A square: LD-AIX1A, LD-AUX1A 
 D Square: LD-AIX1D, LD-AUX1D 
 Three-phase Table 
 2 square: LD-AIX42, LD-AUX42 
 9 Square: LD-AIX49, LD-AUX49, LD-AHX49 
 A square: LD-AIX4A, LD-AUX4A 
 Where: 2 square, square, and A 9 square with RS485 communication output optional. 

 Multifunction Power Meter 
 LD-Z5S2, LD-E4S2, LD-E4X2 
 LD-Z5S9, LD-E4S9, LD-E4X9 

 Single-Phase Transmitter 
 LD-AIB-1; LD-AIB-2; LD-DIB-1 
 LD-DIB-2; LD-AUB-1; LD-AUB-1 
 LD-AUB-2; LD-DUB-1; LD-DUB-2 
 Three-phase transducer 
 LD-AIB-3Y; LD-AUB-3Y