Vanlison 4-in-1 Digital Multimeter - Earth Resistance & Insulation Tester With Phase Detection

Electricians and technicians, this Vanlison 4-in-1 multimeter is an absolute workhorse for professional electrical testing! It combines four essential functions in one rugged unit - earth resistance testing from 0.01Ω to 2000Ω with 0.01Ω resolution, insulation resistance testing up to 2000MΩ, AC/DC voltage measurements up to 600V, and phase sequence detection for 3-phase systems from 100V to 450V. The accuracy is impressive at ±(2% reading + 5 digits) across all measurements, which is exactly what you need for reliable professional work. The backlit LCD display is easy to read in any lighting condition, and the data hold function lets you freeze readings for recording. The auto-range feature makes setup quick and simple, while the zero automatic calibration ensures consistent accuracy. It comes with all the essential accessories - test leads, auxiliary ground clamps, phase leads - all stored in a durable carrying case with protective padding. The dual integral CMOS A/D converter keeps power consumption low, and it runs on 8 AA batteries with low battery indication and auto shut-off to preserve power. This isn't some basic home-use multimeter - it's built for industrial environments like power plants, construction sites, and manufacturing facilities. The construction feels solid and professional, like it can handle the demands of daily use on the job. Seriously, if you need reliable testing capabilities for grounding systems, insulation quality, phase sequencing, and voltage measurements, this Vanlison multimeter delivers professional performance at a reasonable price point.