Value Zhejiang manufacturers recommend YTAI-1BQ single-phase AC ammeter 
 YTAI-1BQ single-phase AC ammeter 
 YTAI-1IQ single-phase AC current meter with a transmitter output 
 YTAI-1RQ output single-phase AC current meter with communication 

 YTAU-1BQ single-phase AC voltage meter 
 YTAU-1IQ single-phase AC voltage transmitter strap 
 YTAU-1RQ single-phase AC output voltage strap communication 

 Overall: 48 * 48 holes; 45 * 45 
 YTAI-1BW single-phase AC ammeter 
 YTAU-1BW single-phase AC voltage meter 

 Overall: 96 * 48 holes; 92 * 45 
 YTAI-1BX single-phase AC ammeter 
 YTAU-1BX single-phase AC voltage meter 

 Single-phase AC current transducer YTDE-I 
 YTDE-U single-phase AC voltage transmitter 
 YTDE-3I three combination of AC current transducer 
 YTDE-3U three combined flow voltage transmitter 
 YTDD-P3-phase three-wire active transmitter 
 YTDD-Q3-phase three-wire reactive power transducer 
 YTDD-P4 three-phase four-wire active transmitter