Pinit Morningstar TriStar Digital Meter; suits 600V MPPTs SKU: TS-M-2-600V Optional digital meter for TS-MPPT-600V. Login for pricing DESCRIPTION SPECIFICATIONS PDFS, DOWNLOADS & VIDEOS The TS-M-2-600V digital meter mounts directly on the TriStar MPPT 600V controller, replacing the blank meter cover on the wiring box lid.