Catalog > Test and Measurement > Test and Measurement Instruments > Special Function Testers > Miscellaneous Testers Catalog > Test and Measurement > Test and Measurement Instruments > Major Tech Instruments Battery & Continuity Tester Battery & Continuity Tester Battery & Continuity Tester Part No: MAJ MT230 Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Overview The MT230 is a Multipurpose tester for Batteries , bulbs & fuses - Checks AAA/AA/C/D & 9V. Features Multipurpose tester for Batteries, Bulbs, Fuses and Continuity Checks AAA, AA, C, D, 9V and Button Cells Audible continuity tester via the test probes supplied Automatically turns power on & off Readings are indicated on the clear analogue scale