■ TH9301: AC/DC withstand voltage/ IR tester

   TH9301A: AC/DC withstand voltage tester

   TH9301B: AC withstand voltage tester

■ 16×2 character LCD display

■ Rapidly discharging and arc detection

■ Randomly set voltage rising time and testing time

■ Freely set waiting time for insulation resistance

■ Hold 5 testing steps; 4 testing modes selectable

■ Brand new operation interface and concise interface 

   operation design

■ Lock keyboard 

■ PLC interface