HellermannTyton Multifunction DMM Insulation Tester NEPTUNE

Harmonics analyser up to 25th harmonic and THD%
Bar graph
Automatic polarity indication
Automatic range & detection of AC/DC signals
Dynamic INRUSH
Continuity of earth conductors
Phase sequence rotation with 1-wire method
MAX/MIN/PEAK Hold
Polarisation Index (PI)
Dielectric absorption ratio (DAR)
Continuity of Protective and equipotential conductors (PE)