■ Test current: 1.00-45.00A

■ Grounding resistance range: 0-600mΩ

■ Four-terminal test mode to ensure test accuracy

■ The internal power amplifier circuit drives the current output, which is not affected by the power supply and load

■ The output holes on the front and rear panels are designed to facilitate the integration of standard chassis

■ 480×272 dots, TFT-LCD display

■ 999.9 seconds test time, which is greater than common 60S test requirements

■ Keyboard lock function to prevent misoperation

■ Safety lock function to prevent the instrument from accidentally opening the test state

■ Store 20 test files, each with 20 test steps

■ Constant current linear amplifier output

■ Front panel software calibration, high accuracy

■ No RS232, standard PLC interface

■ Keyboard lock function

■ TH9403 and TH9301 are connected to form a two-in-one withstand voltage grounding

   Three-in-one withstand voltage insulation grounding tester, convenient and flexible

■ Test current: 0-30A

■ Grounding resistance range: 0-200/600mΩ

■ Test current, test resistance and test time are displayed at the same time

■ Test time can be set arbitrarily

■ The test alarm value can be set continuously and arbitrarily

■ Sound and light alarm