Testing frequency
100Hz, 120Hz, 1KHz, 10KHz, 40kHz, 100KHz
Display screen
2.8 TFT LCD screen
Testing level
0.1Vrms, 0.3Vrms, 0.6Vrms,1Vrms
Measuring display speed
1 time/s (slow), 2 times/s (medium), 4 time/s (fast)
Calibration function
Open circuit calibration, short circuit calibration