HT Instruments Combi521 Electrical tester

AUTO Sequence (Ra- RCD - Riso) Low ohm measurement with 200 mA DC INSULATION MEASUREMENT (L-PE / L-N / N-PE) Polarization measurement (PI & DAR) RCD TYPE A, AC, B, EV Network and loop impedance Short-circuit current with OK / NO display Rotating field Voltage drop Leakage & Residual Current (only with optional HT96U accessory) Power quality analysis Environmental parameters (only with optional accessories HT52 & HT53) EVSE AUTO Sequence (only with optional EV-TEST100 accessory) Internal memory and USB port Wi-Fi connection for Android / iOS smartphones and tablets cat IV 300 V safety This text is machine translated.