The MT954 Lamp Tester is a handy test instrument for fast lamp failure detection, especially for all gas-filled low pressure and high pressure vapor lamps. The M954 Lamp Tester for gas-filled lamps, continuity tester, single pole voltage tester. The tester can also be used for testing ballasts, starters, capacitors, resistors, fluorescent lamps, low pressure sodium vapor tamps, high pressure sodium vapor lamps, neon tube, mercury and metal halogen lamps.