View & download of more than 10 Commercial electric PDF user manuals, service manuals, operating guides. Light fixture user manuals, operating guides & specifications. Dec 17, 2017 I was getting faded and random segments on the display (nothing that resembled numbers) that didn't change when using the meter. I replaced the battery but the issue remained, so I figured this unit was DOA. Before putting the meter away. Oct 27, 2012 Commercial Electric (Home Depot) MAS830B Multimeter - Page 1 EEVblog Electronics Community Forum. Commercial Electric (Home Depot) MAS830B Multimeter (Read 13837 times) 0 Members and 1 Guest are viewing this topic. Manual ranging- but to. Mastech MS8232B User Manual 10 pages. Related Manuals for Mastech MS8232B. Multimeter Mastech MS8233E User Manual (11 pages). Digital clamp meter (18 pages) Multimeter Mastech MS8236 Operation Manual (18 pages) Multimeter Mastech MS8233A Instruction Manual (8 pages) Multimeter Mastech MS8239C User Manual (14 pages) Multimeter Mastech MS8230B.