The Fluke 117 delivers superior measurement accuracy (±0.5% vs ±0.8%) and a rugged metal case, making it the go‑to tool for professionals, though it costs about $40 more (per Fluke and Klein official prices). Klein’s MM700 offers a solid backlit display, data‑hold features, and a lower $79 price, which is attractive for occasional DIY use. Both meet CAT III 600V safety standards, but the Fluke’...