Constructed from ABS, our phase Sequences meter stands up to the rigor of daily use, ensuring when you need it most Ensures of electrical equipment with Handheld Three Phase Power Sequences Meter, tool for phase Sequences measurement for electricians, maintenance personnel, and engineers who regularly inspect and troubleshoot electrical systems This phase Sequences meter for use in homes, factories, site, and for installing or servicing various three phase power equipment like motors, air conditioners, and generators This device features simple operations and high accuracy, quickly verifying the correct phase Sequences to potential damage, Manufacturer: HDOYTXXM