Comparison chart: equipment for measuring the transformer turns ratio

Comparison chart: equipment for measuring the transformer turns ratio

Amperis Products offers a wide range of equipment for measuring the transformer turns ratio, covering various features as the number of phases, accessories, memory, etc... It will be easy for you to find an equipment suitable for your needs.

All our ATRT and TRI-PHASE devices can perform the turns ratio test according to the method defined by ANSI / IEEE C57.12.90. The measurement range is from 0.8 to 15000 with a high precision, and it can measure the excitation current as well.

Below a summary-table comparing the features:

ATRT 01 S2 ATRT 01B S2 ATRT 03 ATRT 03A ATRT 03B TRI-PHASE
Phase No. Single-phase        
Three-phase      
True three-phase          
Measurement Turns-ratio 
Excitation current
Phase angle    
Input power 100-240V 50/60Hz Input  
85-264Vac / 110-370 Vdc / 12Vdc Inputs          
Rechargeable battery        
Built-in 4.5-inch thermal printer      
Transformer identification 67 transformer types defined by ANSI, CEI/IEC, and Australian Std.      
130 transformer types defined by ANSI, CEI/IEC, and Australian Std.          
Data storage USB flash drive interface, up to 999 records    
Internal test record storage, up to 200 records      
Internal test record storage, up to 112 records          
Internal test plans storage, up to 128 records    
LTC output     OP OP OP
Computer interfaces RS-232C
USB